./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.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/cohendiv-ll_unwindbound20.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 93ad3f0e42b4c26a38d8e528f550b89aecdadec634fd1fe3b21f86af4528c655 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:53:42,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:53:42,469 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 13:53:42,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:53:42,475 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:53:42,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:53:42,490 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:53:42,490 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:53:42,491 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:53:42,491 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:53:42,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:53:42,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:53:42,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:53:42,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:53:42,491 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:53:42,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:53:42,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:53:42,492 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:53:42,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:53:42,492 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:53:42,492 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:53:42,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:53:42,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:53:42,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:53:42,492 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:53:42,492 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:53:42,492 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:53:42,492 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:53:42,492 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:53:42,493 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:53:42,493 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:53:42,493 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:53:42,493 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:53:42,493 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:53:42,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:53:42,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:53:42,493 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:53:42,493 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:53:42,493 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:53:42,493 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:53:42,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:53:42,494 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:53:42,494 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:53:42,494 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:53:42,494 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:53:42,494 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 -> 93ad3f0e42b4c26a38d8e528f550b89aecdadec634fd1fe3b21f86af4528c655 [2025-02-06 13:53:42,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:53:42,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:53:42,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:53:42,709 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:53:42,710 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:53:42,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c [2025-02-06 13:53:43,815 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1cba3729e/723bfb8fedc141c2882ad5f771108493/FLAG0f9bdbb45 [2025-02-06 13:53:44,058 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:53:44,058 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c [2025-02-06 13:53:44,065 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1cba3729e/723bfb8fedc141c2882ad5f771108493/FLAG0f9bdbb45 [2025-02-06 13:53:44,389 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1cba3729e/723bfb8fedc141c2882ad5f771108493 [2025-02-06 13:53:44,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:53:44,391 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:53:44,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:53:44,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:53:44,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:53:44,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:53:44" (1/1) ... [2025-02-06 13:53:44,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb74559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:44, skipping insertion in model container [2025-02-06 13:53:44,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:53:44" (1/1) ... [2025-02-06 13:53:44,407 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:53:44,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:53:44,539 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:53:44,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:53:44,571 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:53:44,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:44 WrapperNode [2025-02-06 13:53:44,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:53:44,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:53:44,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:53:44,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:53:44,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:44" (1/1) ... [2025-02-06 13:53:44,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:44" (1/1) ... [2025-02-06 13:53:44,596 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2025-02-06 13:53:44,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:53:44,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:53:44,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:53:44,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:53:44,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:44" (1/1) ... [2025-02-06 13:53:44,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:44" (1/1) ... [2025-02-06 13:53:44,607 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:44" (1/1) ... [2025-02-06 13:53:44,621 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 13:53:44,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:44" (1/1) ... [2025-02-06 13:53:44,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:44" (1/1) ... [2025-02-06 13:53:44,624 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:44" (1/1) ... [2025-02-06 13:53:44,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:44" (1/1) ... [2025-02-06 13:53:44,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:44" (1/1) ... [2025-02-06 13:53:44,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:44" (1/1) ... [2025-02-06 13:53:44,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:53:44,632 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:53:44,632 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:53:44,632 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:53:44,632 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:44" (1/1) ... [2025-02-06 13:53:44,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:53:44,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:44,658 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 13:53:44,661 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 13:53:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 13:53:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 13:53:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:53:44,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:53:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 13:53:44,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 13:53:44,718 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:53:44,719 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:53:44,941 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2025-02-06 13:53:44,942 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:53:44,949 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:53:44,949 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:53:44,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:53:44 BoogieIcfgContainer [2025-02-06 13:53:44,949 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:53:44,951 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:53:44,951 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:53:44,954 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:53:44,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:53:44" (1/3) ... [2025-02-06 13:53:44,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e4cea05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:53:44, skipping insertion in model container [2025-02-06 13:53:44,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:44" (2/3) ... [2025-02-06 13:53:44,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e4cea05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:53:44, skipping insertion in model container [2025-02-06 13:53:44,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:53:44" (3/3) ... [2025-02-06 13:53:44,956 INFO L128 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound20.c [2025-02-06 13:53:44,965 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:53:44,966 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohendiv-ll_unwindbound20.c that has 2 procedures, 95 locations, 1 initial locations, 2 loop locations, and 34 error locations. [2025-02-06 13:53:44,996 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:53:45,003 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;@2e896c22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:53:45,003 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2025-02-06 13:53:45,006 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 52 states have (on average 1.8076923076923077) internal successors, (94), 86 states have internal predecessors, (94), 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 13:53:45,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-06 13:53:45,009 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:45,009 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 13:53:45,009 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:45,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:45,013 INFO L85 PathProgramCache]: Analyzing trace with hash -568468770, now seen corresponding path program 1 times [2025-02-06 13:53:45,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:45,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317601947] [2025-02-06 13:53:45,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:45,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:45,060 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 13:53:45,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 13:53:45,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:45,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:45,092 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 13:53:45,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:45,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317601947] [2025-02-06 13:53:45,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317601947] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:45,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:45,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:45,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497051469] [2025-02-06 13:53:45,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:45,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 13:53:45,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:45,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 13:53:45,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 13:53:45,109 INFO L87 Difference]: Start difference. First operand has 95 states, 52 states have (on average 1.8076923076923077) internal successors, (94), 86 states have internal predecessors, (94), 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:53:45,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:45,123 INFO L93 Difference]: Finished difference Result 186 states and 218 transitions. [2025-02-06 13:53:45,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 13:53:45,124 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-06 13:53:45,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:45,128 INFO L225 Difference]: With dead ends: 186 [2025-02-06 13:53:45,128 INFO L226 Difference]: Without dead ends: 88 [2025-02-06 13:53:45,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 13:53:45,132 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:45,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:53:45,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2025-02-06 13:53:45,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2025-02-06 13:53:45,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 80 states have internal predecessors, (84), 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 13:53:45,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions. [2025-02-06 13:53:45,157 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 6 [2025-02-06 13:53:45,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:45,157 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 96 transitions. [2025-02-06 13:53:45,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:53:45,157 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2025-02-06 13:53:45,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-06 13:53:45,157 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:45,157 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 13:53:45,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 13:53:45,158 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:45,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:45,158 INFO L85 PathProgramCache]: Analyzing trace with hash -568438979, now seen corresponding path program 1 times [2025-02-06 13:53:45,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:45,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008610311] [2025-02-06 13:53:45,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:45,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:45,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 13:53:45,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 13:53:45,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:45,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:45,209 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 13:53:45,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:45,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008610311] [2025-02-06 13:53:45,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008610311] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:45,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:45,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:45,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970982401] [2025-02-06 13:53:45,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:45,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:45,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:45,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:45,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:45,211 INFO L87 Difference]: Start difference. First operand 88 states and 96 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:53:45,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:45,253 INFO L93 Difference]: Finished difference Result 126 states and 136 transitions. [2025-02-06 13:53:45,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:53:45,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-06 13:53:45,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:45,255 INFO L225 Difference]: With dead ends: 126 [2025-02-06 13:53:45,255 INFO L226 Difference]: Without dead ends: 125 [2025-02-06 13:53:45,256 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 13:53:45,256 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 39 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:45,257 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 264 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:53:45,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2025-02-06 13:53:45,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 104. [2025-02-06 13:53:45,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.75) internal successors, (105), 94 states have internal predecessors, (105), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 13:53:45,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2025-02-06 13:53:45,264 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 6 [2025-02-06 13:53:45,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:45,265 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2025-02-06 13:53:45,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:53:45,265 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2025-02-06 13:53:45,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-06 13:53:45,265 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:45,265 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:45,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 13:53:45,265 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:45,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:45,266 INFO L85 PathProgramCache]: Analyzing trace with hash -441739109, now seen corresponding path program 1 times [2025-02-06 13:53:45,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:45,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386612121] [2025-02-06 13:53:45,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:45,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:45,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 13:53:45,278 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 13:53:45,281 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:45,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:45,312 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 13:53:45,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:45,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386612121] [2025-02-06 13:53:45,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386612121] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:45,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:45,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:45,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618059437] [2025-02-06 13:53:45,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:45,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:45,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:45,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:45,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:45,315 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) 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 13:53:45,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:45,347 INFO L93 Difference]: Finished difference Result 113 states and 128 transitions. [2025-02-06 13:53:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:53:45,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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 13:53:45,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:45,348 INFO L225 Difference]: With dead ends: 113 [2025-02-06 13:53:45,348 INFO L226 Difference]: Without dead ends: 104 [2025-02-06 13:53:45,349 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 13:53:45,349 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 3 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:45,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 267 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:53:45,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-02-06 13:53:45,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2025-02-06 13:53:45,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.7166666666666666) internal successors, (103), 94 states have internal predecessors, (103), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 13:53:45,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2025-02-06 13:53:45,355 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 7 [2025-02-06 13:53:45,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:45,356 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2025-02-06 13:53:45,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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 13:53:45,356 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2025-02-06 13:53:45,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-06 13:53:45,356 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:45,356 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:45,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 13:53:45,356 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:45,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:45,357 INFO L85 PathProgramCache]: Analyzing trace with hash 690480281, now seen corresponding path program 1 times [2025-02-06 13:53:45,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:45,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641989564] [2025-02-06 13:53:45,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:45,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:45,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 13:53:45,365 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 13:53:45,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:45,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:45,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1524566180] [2025-02-06 13:53:45,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:45,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:45,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:45,370 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 13:53:45,372 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 13:53:45,393 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 13:53:45,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 13:53:45,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:45,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:45,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:53:45,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:45,414 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 13:53:45,414 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:53:45,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:45,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641989564] [2025-02-06 13:53:45,414 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:45,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524566180] [2025-02-06 13:53:45,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524566180] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:45,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:45,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:45,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110117319] [2025-02-06 13:53:45,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:45,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:53:45,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:45,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:53:45,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:45,417 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 13:53:45,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:45,482 INFO L93 Difference]: Finished difference Result 119 states and 128 transitions. [2025-02-06 13:53:45,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:45,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2025-02-06 13:53:45,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:45,484 INFO L225 Difference]: With dead ends: 119 [2025-02-06 13:53:45,484 INFO L226 Difference]: Without dead ends: 117 [2025-02-06 13:53:45,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 13:53:45,485 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 18 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:45,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 167 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:45,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-02-06 13:53:45,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 104. [2025-02-06 13:53:45,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.6833333333333333) internal successors, (101), 94 states have internal predecessors, (101), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 13:53:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 117 transitions. [2025-02-06 13:53:45,491 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 117 transitions. Word has length 9 [2025-02-06 13:53:45,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:45,492 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 117 transitions. [2025-02-06 13:53:45,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 13:53:45,492 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2025-02-06 13:53:45,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-06 13:53:45,492 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:45,492 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:45,501 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 13:53:45,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:45,698 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:45,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:45,699 INFO L85 PathProgramCache]: Analyzing trace with hash 441697477, now seen corresponding path program 1 times [2025-02-06 13:53:45,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:45,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508150712] [2025-02-06 13:53:45,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:45,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:45,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 13:53:45,737 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 13:53:45,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:45,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:45,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1842847217] [2025-02-06 13:53:45,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:45,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:45,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:45,739 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 13:53:45,747 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 13:53:45,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 13:53:45,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 13:53:45,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:45,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:45,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:53:45,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:45,793 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 13:53:45,794 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:53:45,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:45,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508150712] [2025-02-06 13:53:45,794 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:45,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842847217] [2025-02-06 13:53:45,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842847217] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:45,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:45,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:45,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423045702] [2025-02-06 13:53:45,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:45,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:53:45,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:45,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:53:45,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:45,796 INFO L87 Difference]: Start difference. First operand 104 states and 117 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 13:53:45,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:45,885 INFO L93 Difference]: Finished difference Result 160 states and 183 transitions. [2025-02-06 13:53:45,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:45,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 16 [2025-02-06 13:53:45,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:45,887 INFO L225 Difference]: With dead ends: 160 [2025-02-06 13:53:45,887 INFO L226 Difference]: Without dead ends: 154 [2025-02-06 13:53:45,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:45,887 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 51 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:45,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 142 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:45,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2025-02-06 13:53:45,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 132. [2025-02-06 13:53:45,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 84 states have (on average 1.6904761904761905) internal successors, (142), 117 states have internal predecessors, (142), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 13:53:45,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 166 transitions. [2025-02-06 13:53:45,896 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 166 transitions. Word has length 16 [2025-02-06 13:53:45,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:45,896 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 166 transitions. [2025-02-06 13:53:45,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 13:53:45,896 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 166 transitions. [2025-02-06 13:53:45,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-06 13:53:45,896 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:45,897 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:45,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 13:53:46,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:46,101 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:46,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:46,102 INFO L85 PathProgramCache]: Analyzing trace with hash -730485469, now seen corresponding path program 1 times [2025-02-06 13:53:46,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:46,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924514497] [2025-02-06 13:53:46,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:46,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:46,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 13:53:46,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 13:53:46,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:46,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:46,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [159907640] [2025-02-06 13:53:46,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:46,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:46,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:46,126 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 13:53:46,127 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 13:53:46,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 13:53:46,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 13:53:46,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:46,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:46,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:53:46,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:46,251 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 13:53:46,251 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:53:46,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:46,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924514497] [2025-02-06 13:53:46,251 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:46,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159907640] [2025-02-06 13:53:46,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159907640] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:46,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:46,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:53:46,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616121322] [2025-02-06 13:53:46,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:46,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:46,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:46,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:46,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:46,252 INFO L87 Difference]: Start difference. First operand 132 states and 166 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 13:53:46,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:46,363 INFO L93 Difference]: Finished difference Result 153 states and 173 transitions. [2025-02-06 13:53:46,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:53:46,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 18 [2025-02-06 13:53:46,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:46,364 INFO L225 Difference]: With dead ends: 153 [2025-02-06 13:53:46,365 INFO L226 Difference]: Without dead ends: 150 [2025-02-06 13:53:46,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 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 13:53:46,365 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 182 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:46,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 142 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:46,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2025-02-06 13:53:46,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 133. [2025-02-06 13:53:46,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 85 states have (on average 1.6588235294117648) internal successors, (141), 118 states have internal predecessors, (141), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 13:53:46,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 165 transitions. [2025-02-06 13:53:46,372 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 165 transitions. Word has length 18 [2025-02-06 13:53:46,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:46,372 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 165 transitions. [2025-02-06 13:53:46,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 13:53:46,372 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 165 transitions. [2025-02-06 13:53:46,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-06 13:53:46,373 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:46,373 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:46,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:46,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:46,574 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:46,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:46,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1170213018, now seen corresponding path program 1 times [2025-02-06 13:53:46,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:46,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198940907] [2025-02-06 13:53:46,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:46,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:46,578 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 13:53:46,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 13:53:46,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:46,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:46,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2006229272] [2025-02-06 13:53:46,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:46,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:46,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:46,593 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 13:53:46,597 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 13:53:46,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 13:53:46,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 13:53:46,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:46,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:46,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:53:46,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:46,697 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 13:53:46,698 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:53:46,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:46,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198940907] [2025-02-06 13:53:46,698 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:46,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006229272] [2025-02-06 13:53:46,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006229272] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:46,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:46,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:53:46,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327611785] [2025-02-06 13:53:46,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:46,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:46,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:46,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:46,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:46,699 INFO L87 Difference]: Start difference. First operand 133 states and 165 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 13:53:46,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:46,790 INFO L93 Difference]: Finished difference Result 153 states and 170 transitions. [2025-02-06 13:53:46,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:53:46,790 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 19 [2025-02-06 13:53:46,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:46,791 INFO L225 Difference]: With dead ends: 153 [2025-02-06 13:53:46,791 INFO L226 Difference]: Without dead ends: 146 [2025-02-06 13:53:46,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 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 13:53:46,792 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 178 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:46,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 145 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:46,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2025-02-06 13:53:46,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 130. [2025-02-06 13:53:46,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 82 states have (on average 1.646341463414634) internal successors, (135), 115 states have internal predecessors, (135), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 13:53:46,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 159 transitions. [2025-02-06 13:53:46,806 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 159 transitions. Word has length 19 [2025-02-06 13:53:46,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:46,806 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 159 transitions. [2025-02-06 13:53:46,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 13:53:46,806 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 159 transitions. [2025-02-06 13:53:46,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-06 13:53:46,807 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:46,807 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:46,813 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 13:53:47,008 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,SelfDestructingSolverStorable6 [2025-02-06 13:53:47,009 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:47,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:47,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1718315284, now seen corresponding path program 1 times [2025-02-06 13:53:47,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:47,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129489495] [2025-02-06 13:53:47,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:47,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:47,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 13:53:47,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 13:53:47,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:47,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:47,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:53:47,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:47,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129489495] [2025-02-06 13:53:47,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129489495] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:47,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:47,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:53:47,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192048372] [2025-02-06 13:53:47,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:47,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:53:47,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:47,149 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:53:47,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:53:47,150 INFO L87 Difference]: Start difference. First operand 130 states and 159 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:53:47,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:47,203 INFO L93 Difference]: Finished difference Result 130 states and 159 transitions. [2025-02-06 13:53:47,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:53:47,204 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2025-02-06 13:53:47,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:47,209 INFO L225 Difference]: With dead ends: 130 [2025-02-06 13:53:47,209 INFO L226 Difference]: Without dead ends: 128 [2025-02-06 13:53:47,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:53:47,209 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 149 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:47,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 247 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:53:47,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-02-06 13:53:47,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2025-02-06 13:53:47,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 82 states have (on average 1.6097560975609757) internal successors, (132), 113 states have internal predecessors, (132), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 13:53:47,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 156 transitions. [2025-02-06 13:53:47,216 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 156 transitions. Word has length 27 [2025-02-06 13:53:47,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:47,216 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 156 transitions. [2025-02-06 13:53:47,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:53:47,217 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 156 transitions. [2025-02-06 13:53:47,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-06 13:53:47,217 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:47,217 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:47,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 13:53:47,217 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:47,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:47,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1728166222, now seen corresponding path program 1 times [2025-02-06 13:53:47,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:47,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706850706] [2025-02-06 13:53:47,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:47,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:47,248 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 13:53:47,252 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 13:53:47,255 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:47,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:47,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:53:47,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:47,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706850706] [2025-02-06 13:53:47,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706850706] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:47,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:47,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:53:47,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596010402] [2025-02-06 13:53:47,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:47,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:53:47,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:47,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:53:47,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:53:47,307 INFO L87 Difference]: Start difference. First operand 128 states and 156 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:53:47,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:47,360 INFO L93 Difference]: Finished difference Result 214 states and 252 transitions. [2025-02-06 13:53:47,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:53:47,361 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2025-02-06 13:53:47,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:47,362 INFO L225 Difference]: With dead ends: 214 [2025-02-06 13:53:47,362 INFO L226 Difference]: Without dead ends: 132 [2025-02-06 13:53:47,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:53:47,363 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 13 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:47,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 347 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:53:47,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-02-06 13:53:47,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2025-02-06 13:53:47,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 86 states have (on average 1.5813953488372092) internal successors, (136), 117 states have internal predecessors, (136), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 13:53:47,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 160 transitions. [2025-02-06 13:53:47,375 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 160 transitions. Word has length 28 [2025-02-06 13:53:47,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:47,375 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 160 transitions. [2025-02-06 13:53:47,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:53:47,375 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 160 transitions. [2025-02-06 13:53:47,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-06 13:53:47,376 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:47,377 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:47,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 13:53:47,377 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:47,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:47,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1384605104, now seen corresponding path program 1 times [2025-02-06 13:53:47,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:47,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692377317] [2025-02-06 13:53:47,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:47,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:47,381 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 13:53:47,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 13:53:47,389 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:47,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:47,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1866514720] [2025-02-06 13:53:47,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:47,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:47,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:47,397 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 13:53:47,399 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 13:53:47,422 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 13:53:47,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 13:53:47,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:47,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:47,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:53:47,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:47,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:53:47,479 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:53:47,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:47,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692377317] [2025-02-06 13:53:47,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:47,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866514720] [2025-02-06 13:53:47,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866514720] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:47,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:47,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:53:47,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848031285] [2025-02-06 13:53:47,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:47,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:47,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:47,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:47,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:47,481 INFO L87 Difference]: Start difference. First operand 132 states and 160 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:53:47,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:47,609 INFO L93 Difference]: Finished difference Result 206 states and 277 transitions. [2025-02-06 13:53:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:53:47,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2025-02-06 13:53:47,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:47,611 INFO L225 Difference]: With dead ends: 206 [2025-02-06 13:53:47,611 INFO L226 Difference]: Without dead ends: 201 [2025-02-06 13:53:47,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:47,612 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 117 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:47,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 96 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:47,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2025-02-06 13:53:47,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 183. [2025-02-06 13:53:47,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 129 states have (on average 1.5891472868217054) internal successors, (205), 160 states have internal predecessors, (205), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 13:53:47,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 245 transitions. [2025-02-06 13:53:47,625 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 245 transitions. Word has length 30 [2025-02-06 13:53:47,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:47,626 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 245 transitions. [2025-02-06 13:53:47,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:53:47,626 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 245 transitions. [2025-02-06 13:53:47,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-06 13:53:47,626 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:47,627 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:47,632 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:47,831 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,SelfDestructingSolverStorable9 [2025-02-06 13:53:47,831 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:47,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:47,833 INFO L85 PathProgramCache]: Analyzing trace with hash -26914712, now seen corresponding path program 1 times [2025-02-06 13:53:47,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:47,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826879670] [2025-02-06 13:53:47,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:47,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:47,838 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 13:53:47,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 13:53:47,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:47,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:47,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1499597968] [2025-02-06 13:53:47,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:47,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:47,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:47,853 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 13:53:47,855 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 13:53:47,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 13:53:47,890 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 13:53:47,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:47,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:47,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:53:47,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:47,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:53:47,936 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:53:47,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:47,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826879670] [2025-02-06 13:53:47,936 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:47,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499597968] [2025-02-06 13:53:47,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499597968] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:47,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:47,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:53:47,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921081212] [2025-02-06 13:53:47,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:47,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:47,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:47,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:47,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:47,938 INFO L87 Difference]: Start difference. First operand 183 states and 245 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:53:48,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:48,055 INFO L93 Difference]: Finished difference Result 204 states and 268 transitions. [2025-02-06 13:53:48,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:53:48,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2025-02-06 13:53:48,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:48,056 INFO L225 Difference]: With dead ends: 204 [2025-02-06 13:53:48,057 INFO L226 Difference]: Without dead ends: 201 [2025-02-06 13:53:48,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 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 13:53:48,057 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 115 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:48,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 96 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:48,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2025-02-06 13:53:48,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 184. [2025-02-06 13:53:48,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 130 states have (on average 1.5538461538461539) internal successors, (202), 161 states have internal predecessors, (202), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 13:53:48,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 242 transitions. [2025-02-06 13:53:48,082 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 242 transitions. Word has length 31 [2025-02-06 13:53:48,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:48,083 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 242 transitions. [2025-02-06 13:53:48,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:53:48,083 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 242 transitions. [2025-02-06 13:53:48,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-06 13:53:48,084 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:48,084 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:48,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:48,288 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,SelfDestructingSolverStorable10 [2025-02-06 13:53:48,288 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:48,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:48,289 INFO L85 PathProgramCache]: Analyzing trace with hash 580974272, now seen corresponding path program 1 times [2025-02-06 13:53:48,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:48,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055729766] [2025-02-06 13:53:48,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:48,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:48,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 13:53:48,303 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 13:53:48,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:48,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:48,366 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:48,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:48,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055729766] [2025-02-06 13:53:48,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055729766] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:48,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:48,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:53:48,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040307116] [2025-02-06 13:53:48,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:48,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:48,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:48,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:48,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:48,368 INFO L87 Difference]: Start difference. First operand 184 states and 242 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:53:48,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:48,496 INFO L93 Difference]: Finished difference Result 219 states and 271 transitions. [2025-02-06 13:53:48,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:53:48,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 51 [2025-02-06 13:53:48,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:48,497 INFO L225 Difference]: With dead ends: 219 [2025-02-06 13:53:48,497 INFO L226 Difference]: Without dead ends: 217 [2025-02-06 13:53:48,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:53:48,498 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 133 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:48,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 90 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:48,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2025-02-06 13:53:48,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 186. [2025-02-06 13:53:48,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 132 states have (on average 1.5303030303030303) internal successors, (202), 163 states have internal predecessors, (202), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 13:53:48,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 242 transitions. [2025-02-06 13:53:48,506 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 242 transitions. Word has length 51 [2025-02-06 13:53:48,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:48,506 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 242 transitions. [2025-02-06 13:53:48,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:53:48,507 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 242 transitions. [2025-02-06 13:53:48,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-06 13:53:48,507 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:48,507 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:48,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 13:53:48,507 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:48,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:48,508 INFO L85 PathProgramCache]: Analyzing trace with hash 830333257, now seen corresponding path program 1 times [2025-02-06 13:53:48,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:48,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841328886] [2025-02-06 13:53:48,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:48,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:48,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 13:53:48,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 13:53:48,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:48,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:48,543 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:48,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:48,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841328886] [2025-02-06 13:53:48,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841328886] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:48,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:48,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:53:48,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748196867] [2025-02-06 13:53:48,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:48,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:48,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:48,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:48,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:48,545 INFO L87 Difference]: Start difference. First operand 186 states and 242 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:53:48,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:48,656 INFO L93 Difference]: Finished difference Result 219 states and 267 transitions. [2025-02-06 13:53:48,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:53:48,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 52 [2025-02-06 13:53:48,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:48,657 INFO L225 Difference]: With dead ends: 219 [2025-02-06 13:53:48,657 INFO L226 Difference]: Without dead ends: 217 [2025-02-06 13:53:48,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:53:48,658 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 130 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:48,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 92 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:48,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2025-02-06 13:53:48,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 188. [2025-02-06 13:53:48,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 134 states have (on average 1.507462686567164) internal successors, (202), 165 states have internal predecessors, (202), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 13:53:48,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 242 transitions. [2025-02-06 13:53:48,666 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 242 transitions. Word has length 52 [2025-02-06 13:53:48,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:48,666 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 242 transitions. [2025-02-06 13:53:48,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:53:48,666 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 242 transitions. [2025-02-06 13:53:48,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-06 13:53:48,667 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:48,667 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:48,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 13:53:48,667 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:48,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:48,667 INFO L85 PathProgramCache]: Analyzing trace with hash -913656874, now seen corresponding path program 1 times [2025-02-06 13:53:48,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:48,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565919431] [2025-02-06 13:53:48,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:48,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:48,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-06 13:53:48,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-06 13:53:48,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:48,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:48,723 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:48,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:48,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565919431] [2025-02-06 13:53:48,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565919431] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:48,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:48,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:48,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251892948] [2025-02-06 13:53:48,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:48,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:53:48,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:48,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:53:48,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:48,724 INFO L87 Difference]: Start difference. First operand 188 states and 242 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:53:48,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:48,762 INFO L93 Difference]: Finished difference Result 194 states and 242 transitions. [2025-02-06 13:53:48,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:48,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2025-02-06 13:53:48,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:48,764 INFO L225 Difference]: With dead ends: 194 [2025-02-06 13:53:48,764 INFO L226 Difference]: Without dead ends: 193 [2025-02-06 13:53:48,765 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 13:53:48,765 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 15 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:48,765 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 148 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:53:48,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2025-02-06 13:53:48,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 188. [2025-02-06 13:53:48,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 134 states have (on average 1.5) internal successors, (201), 165 states have internal predecessors, (201), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 13:53:48,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 241 transitions. [2025-02-06 13:53:48,787 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 241 transitions. Word has length 54 [2025-02-06 13:53:48,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:48,787 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 241 transitions. [2025-02-06 13:53:48,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:53:48,788 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 241 transitions. [2025-02-06 13:53:48,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-06 13:53:48,790 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:48,790 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:48,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-06 13:53:48,790 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:48,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:48,790 INFO L85 PathProgramCache]: Analyzing trace with hash -913656826, now seen corresponding path program 1 times [2025-02-06 13:53:48,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:48,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589165865] [2025-02-06 13:53:48,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:48,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:48,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-06 13:53:48,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-06 13:53:48,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:48,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:48,872 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:48,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:48,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589165865] [2025-02-06 13:53:48,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589165865] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:48,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:48,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:53:48,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942327257] [2025-02-06 13:53:48,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:48,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:48,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:48,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:48,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:48,873 INFO L87 Difference]: Start difference. First operand 188 states and 241 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 13:53:48,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:48,919 INFO L93 Difference]: Finished difference Result 188 states and 241 transitions. [2025-02-06 13:53:48,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:53:48,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2025-02-06 13:53:48,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:48,920 INFO L225 Difference]: With dead ends: 188 [2025-02-06 13:53:48,920 INFO L226 Difference]: Without dead ends: 187 [2025-02-06 13:53:48,920 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 13:53:48,920 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 62 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:48,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 62 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:53:48,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2025-02-06 13:53:48,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2025-02-06 13:53:48,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 134 states have (on average 1.4701492537313432) internal successors, (197), 164 states have internal predecessors, (197), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 13:53:48,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 237 transitions. [2025-02-06 13:53:48,928 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 237 transitions. Word has length 54 [2025-02-06 13:53:48,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:48,928 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 237 transitions. [2025-02-06 13:53:48,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 13:53:48,928 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 237 transitions. [2025-02-06 13:53:48,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 13:53:48,929 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:48,929 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:48,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-06 13:53:48,929 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:48,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:48,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1741407964, now seen corresponding path program 1 times [2025-02-06 13:53:48,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:48,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450638176] [2025-02-06 13:53:48,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:48,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:48,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 13:53:48,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 13:53:48,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:48,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:48,971 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:48,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:48,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450638176] [2025-02-06 13:53:48,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450638176] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:48,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:48,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:53:48,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231678659] [2025-02-06 13:53:48,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:48,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:53:48,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:48,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:53:48,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:53:48,973 INFO L87 Difference]: Start difference. First operand 187 states and 237 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 13:53:49,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:49,054 INFO L93 Difference]: Finished difference Result 296 states and 382 transitions. [2025-02-06 13:53:49,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:53:49,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2025-02-06 13:53:49,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:49,056 INFO L225 Difference]: With dead ends: 296 [2025-02-06 13:53:49,056 INFO L226 Difference]: Without dead ends: 295 [2025-02-06 13:53:49,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:53:49,057 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 192 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:49,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 217 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:49,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2025-02-06 13:53:49,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 264. [2025-02-06 13:53:49,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 201 states have (on average 1.5223880597014925) internal successors, (306), 231 states have internal predecessors, (306), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 13:53:49,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 366 transitions. [2025-02-06 13:53:49,079 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 366 transitions. Word has length 55 [2025-02-06 13:53:49,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:49,079 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 366 transitions. [2025-02-06 13:53:49,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 13:53:49,079 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 366 transitions. [2025-02-06 13:53:49,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 13:53:49,079 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:49,080 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:49,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-06 13:53:49,080 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:49,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:49,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1741409469, now seen corresponding path program 1 times [2025-02-06 13:53:49,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:49,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186524892] [2025-02-06 13:53:49,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:49,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:49,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 13:53:49,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 13:53:49,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:49,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:49,156 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:49,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:49,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186524892] [2025-02-06 13:53:49,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186524892] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:49,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:49,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:53:49,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577682238] [2025-02-06 13:53:49,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:49,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:53:49,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:49,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:53:49,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:53:49,158 INFO L87 Difference]: Start difference. First operand 264 states and 366 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:53:49,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:49,495 INFO L93 Difference]: Finished difference Result 371 states and 511 transitions. [2025-02-06 13:53:49,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:53:49,496 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2025-02-06 13:53:49,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:49,498 INFO L225 Difference]: With dead ends: 371 [2025-02-06 13:53:49,498 INFO L226 Difference]: Without dead ends: 370 [2025-02-06 13:53:49,498 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:53:49,498 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 316 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:49,499 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 278 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:53:49,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2025-02-06 13:53:49,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 334. [2025-02-06 13:53:49,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 261 states have (on average 1.5134099616858236) internal successors, (395), 291 states have internal predecessors, (395), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-06 13:53:49,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 475 transitions. [2025-02-06 13:53:49,524 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 475 transitions. Word has length 55 [2025-02-06 13:53:49,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:49,524 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 475 transitions. [2025-02-06 13:53:49,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:53:49,524 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 475 transitions. [2025-02-06 13:53:49,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-02-06 13:53:49,525 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:49,525 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:49,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-06 13:53:49,526 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:49,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:49,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1850927980, now seen corresponding path program 1 times [2025-02-06 13:53:49,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:49,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897774715] [2025-02-06 13:53:49,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:49,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:49,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-06 13:53:49,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-06 13:53:49,538 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:49,538 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:49,594 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:49,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:49,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897774715] [2025-02-06 13:53:49,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897774715] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:49,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:49,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:53:49,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494856849] [2025-02-06 13:53:49,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:49,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:49,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:49,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:49,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:49,597 INFO L87 Difference]: Start difference. First operand 334 states and 475 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:53:49,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:49,750 INFO L93 Difference]: Finished difference Result 361 states and 496 transitions. [2025-02-06 13:53:49,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:53:49,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2025-02-06 13:53:49,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:49,752 INFO L225 Difference]: With dead ends: 361 [2025-02-06 13:53:49,752 INFO L226 Difference]: Without dead ends: 359 [2025-02-06 13:53:49,752 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 13:53:49,752 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 47 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:49,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 180 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:49,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2025-02-06 13:53:49,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 338. [2025-02-06 13:53:49,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 265 states have (on average 1.5056603773584907) internal successors, (399), 295 states have internal predecessors, (399), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-06 13:53:49,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 479 transitions. [2025-02-06 13:53:49,780 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 479 transitions. Word has length 56 [2025-02-06 13:53:49,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:49,780 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 479 transitions. [2025-02-06 13:53:49,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:53:49,780 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 479 transitions. [2025-02-06 13:53:49,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-02-06 13:53:49,781 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:49,781 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:49,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-06 13:53:49,781 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:49,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:49,782 INFO L85 PathProgramCache]: Analyzing trace with hash 354509920, now seen corresponding path program 1 times [2025-02-06 13:53:49,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:49,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899116849] [2025-02-06 13:53:49,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:49,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:49,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 13:53:49,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 13:53:49,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:49,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:49,874 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:49,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:49,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899116849] [2025-02-06 13:53:49,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899116849] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:49,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772733838] [2025-02-06 13:53:49,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:49,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:49,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:49,877 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 13:53:49,882 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 13:53:49,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 13:53:49,915 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 13:53:49,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:49,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:49,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:53:49,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:50,016 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 13:53:50,016 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:50,134 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:50,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772733838] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:50,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:53:50,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 17 [2025-02-06 13:53:50,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126273823] [2025-02-06 13:53:50,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:50,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:53:50,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:50,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:53:50,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2025-02-06 13:53:50,136 INFO L87 Difference]: Start difference. First operand 338 states and 479 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:53:50,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:50,256 INFO L93 Difference]: Finished difference Result 373 states and 504 transitions. [2025-02-06 13:53:50,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:53:50,257 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2025-02-06 13:53:50,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:50,258 INFO L225 Difference]: With dead ends: 373 [2025-02-06 13:53:50,258 INFO L226 Difference]: Without dead ends: 371 [2025-02-06 13:53:50,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2025-02-06 13:53:50,259 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 110 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:50,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 394 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:53:50,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2025-02-06 13:53:50,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 346. [2025-02-06 13:53:50,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 271 states have (on average 1.4649446494464944) internal successors, (397), 301 states have internal predecessors, (397), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-06 13:53:50,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 477 transitions. [2025-02-06 13:53:50,284 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 477 transitions. Word has length 60 [2025-02-06 13:53:50,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:50,284 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 477 transitions. [2025-02-06 13:53:50,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:53:50,284 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 477 transitions. [2025-02-06 13:53:50,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-02-06 13:53:50,285 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:50,285 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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 13:53:50,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:50,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:50,486 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:50,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:50,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1381618421, now seen corresponding path program 1 times [2025-02-06 13:53:50,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:50,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669142937] [2025-02-06 13:53:50,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:50,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:50,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 13:53:50,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 13:53:50,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:50,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:50,594 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:50,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:50,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669142937] [2025-02-06 13:53:50,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669142937] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:50,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830610197] [2025-02-06 13:53:50,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:50,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:50,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:50,597 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 13:53:50,599 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 13:53:50,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 13:53:50,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 13:53:50,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:50,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:50,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:53:50,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:50,689 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 13:53:50,689 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:50,777 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:50,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830610197] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:50,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:53:50,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2025-02-06 13:53:50,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559515612] [2025-02-06 13:53:50,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:50,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 13:53:50,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:50,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 13:53:50,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:53:50,779 INFO L87 Difference]: Start difference. First operand 346 states and 477 transitions. Second operand has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2025-02-06 13:53:50,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:50,927 INFO L93 Difference]: Finished difference Result 637 states and 826 transitions. [2025-02-06 13:53:50,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-06 13:53:50,927 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 62 [2025-02-06 13:53:50,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:50,929 INFO L225 Difference]: With dead ends: 637 [2025-02-06 13:53:50,929 INFO L226 Difference]: Without dead ends: 478 [2025-02-06 13:53:50,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2025-02-06 13:53:50,930 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 128 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:50,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 565 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:50,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2025-02-06 13:53:50,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 433. [2025-02-06 13:53:50,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 344 states have (on average 1.433139534883721) internal successors, (493), 376 states have internal predecessors, (493), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2025-02-06 13:53:50,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 593 transitions. [2025-02-06 13:53:50,948 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 593 transitions. Word has length 62 [2025-02-06 13:53:50,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:50,949 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 593 transitions. [2025-02-06 13:53:50,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2025-02-06 13:53:50,949 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 593 transitions. [2025-02-06 13:53:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-02-06 13:53:50,949 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:50,950 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:50,955 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 13:53:51,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:51,151 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:51,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:51,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1212782944, now seen corresponding path program 1 times [2025-02-06 13:53:51,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:51,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879302195] [2025-02-06 13:53:51,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:51,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:51,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-06 13:53:51,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-06 13:53:51,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:51,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:51,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1049167899] [2025-02-06 13:53:51,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:51,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:51,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:51,171 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 13:53:51,177 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 13:53:51,199 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-06 13:53:51,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-06 13:53:51,213 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:51,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:51,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:53:51,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:51,456 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 13:53:51,456 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:53:51,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:51,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879302195] [2025-02-06 13:53:51,456 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:51,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049167899] [2025-02-06 13:53:51,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049167899] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:51,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:51,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 13:53:51,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650329614] [2025-02-06 13:53:51,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:51,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:53:51,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:51,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:53:51,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:53:51,457 INFO L87 Difference]: Start difference. First operand 433 states and 593 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:53:51,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:51,819 INFO L93 Difference]: Finished difference Result 626 states and 867 transitions. [2025-02-06 13:53:51,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:53:51,819 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 69 [2025-02-06 13:53:51,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:51,821 INFO L225 Difference]: With dead ends: 626 [2025-02-06 13:53:51,821 INFO L226 Difference]: Without dead ends: 617 [2025-02-06 13:53:51,822 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:53:51,822 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 274 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:51,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 233 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:53:51,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2025-02-06 13:53:51,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 588. [2025-02-06 13:53:51,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 479 states have (on average 1.407098121085595) internal successors, (674), 511 states have internal predecessors, (674), 70 states have call successors, (70), 8 states have call predecessors, (70), 8 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2025-02-06 13:53:51,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 814 transitions. [2025-02-06 13:53:51,850 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 814 transitions. Word has length 69 [2025-02-06 13:53:51,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:51,850 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 814 transitions. [2025-02-06 13:53:51,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:53:51,850 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 814 transitions. [2025-02-06 13:53:51,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-02-06 13:53:51,851 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:51,851 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:51,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:52,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:52,055 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:52,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:52,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1058434445, now seen corresponding path program 1 times [2025-02-06 13:53:52,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:52,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73040636] [2025-02-06 13:53:52,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:52,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:52,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-06 13:53:52,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-06 13:53:52,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:52,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:52,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1434187811] [2025-02-06 13:53:52,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:52,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:52,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:52,068 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 13:53:52,069 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 13:53:52,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-06 13:53:52,101 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-06 13:53:52,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:52,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:52,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:53:52,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:52,330 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 13:53:52,330 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:52,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:52,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73040636] [2025-02-06 13:53:52,597 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:52,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434187811] [2025-02-06 13:53:52,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434187811] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:52,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:52,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 13:53:52,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804980611] [2025-02-06 13:53:52,598 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:52,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:53:52,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:52,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:53:52,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:53:52,598 INFO L87 Difference]: Start difference. First operand 588 states and 814 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:53:52,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:52,872 INFO L93 Difference]: Finished difference Result 657 states and 894 transitions. [2025-02-06 13:53:52,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:53:52,874 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2025-02-06 13:53:52,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:52,877 INFO L225 Difference]: With dead ends: 657 [2025-02-06 13:53:52,877 INFO L226 Difference]: Without dead ends: 654 [2025-02-06 13:53:52,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:53:52,878 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 186 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:52,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 272 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:53:52,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2025-02-06 13:53:52,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 619. [2025-02-06 13:53:52,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 506 states have (on average 1.4051383399209487) internal successors, (711), 537 states have internal predecessors, (711), 74 states have call successors, (74), 8 states have call predecessors, (74), 8 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2025-02-06 13:53:52,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 859 transitions. [2025-02-06 13:53:52,902 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 859 transitions. Word has length 70 [2025-02-06 13:53:52,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:52,902 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 859 transitions. [2025-02-06 13:53:52,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:53:52,903 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 859 transitions. [2025-02-06 13:53:52,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-06 13:53:52,903 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:52,903 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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 13:53:52,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-06 13:53:53,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:53,108 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:53,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:53,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1548270530, now seen corresponding path program 1 times [2025-02-06 13:53:53,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:53,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277104061] [2025-02-06 13:53:53,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:53,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:53,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-06 13:53:53,116 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-06 13:53:53,116 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:53,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 13:53:53,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:53,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277104061] [2025-02-06 13:53:53,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277104061] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:53,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:53,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:53:53,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622897306] [2025-02-06 13:53:53,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:53,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:53:53,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:53,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:53:53,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:53:53,169 INFO L87 Difference]: Start difference. First operand 619 states and 859 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:53:53,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:53,520 INFO L93 Difference]: Finished difference Result 893 states and 1263 transitions. [2025-02-06 13:53:53,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:53:53,521 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), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2025-02-06 13:53:53,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:53,524 INFO L225 Difference]: With dead ends: 893 [2025-02-06 13:53:53,525 INFO L226 Difference]: Without dead ends: 890 [2025-02-06 13:53:53,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:53:53,526 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 148 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:53,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 244 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:53:53,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2025-02-06 13:53:53,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 638. [2025-02-06 13:53:53,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 522 states have (on average 1.3888888888888888) internal successors, (725), 552 states have internal predecessors, (725), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2025-02-06 13:53:53,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 881 transitions. [2025-02-06 13:53:53,561 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 881 transitions. Word has length 71 [2025-02-06 13:53:53,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:53,561 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 881 transitions. [2025-02-06 13:53:53,561 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), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:53:53,561 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 881 transitions. [2025-02-06 13:53:53,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-06 13:53:53,561 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:53,562 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:53,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-02-06 13:53:53,562 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:53,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:53,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1586841554, now seen corresponding path program 1 times [2025-02-06 13:53:53,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:53,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506570564] [2025-02-06 13:53:53,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:53,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:53,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-06 13:53:53,571 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-06 13:53:53,572 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:53,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:53,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1087167020] [2025-02-06 13:53:53,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:53,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:53,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:53,578 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 13:53:53,582 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 13:53:53,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-06 13:53:53,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-06 13:53:53,614 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:53,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:53,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:53:53,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:53,747 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 13:53:53,748 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:53:53,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:53,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506570564] [2025-02-06 13:53:53,748 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:53,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087167020] [2025-02-06 13:53:53,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087167020] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:53,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:53,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 13:53:53,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980344604] [2025-02-06 13:53:53,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:53,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:53:53,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:53,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:53:53,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:53:53,750 INFO L87 Difference]: Start difference. First operand 638 states and 881 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:53:53,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:53,956 INFO L93 Difference]: Finished difference Result 661 states and 917 transitions. [2025-02-06 13:53:53,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:53:53,956 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2025-02-06 13:53:53,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:53,959 INFO L225 Difference]: With dead ends: 661 [2025-02-06 13:53:53,959 INFO L226 Difference]: Without dead ends: 657 [2025-02-06 13:53:53,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:53:53,960 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 134 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:53,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 214 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:53:53,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2025-02-06 13:53:54,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 634. [2025-02-06 13:53:54,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 522 states have (on average 1.3639846743295019) internal successors, (712), 548 states have internal predecessors, (712), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2025-02-06 13:53:54,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 868 transitions. [2025-02-06 13:53:54,006 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 868 transitions. Word has length 71 [2025-02-06 13:53:54,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:54,006 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 868 transitions. [2025-02-06 13:53:54,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:53:54,006 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 868 transitions. [2025-02-06 13:53:54,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-06 13:53:54,007 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:54,007 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:54,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:54,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-02-06 13:53:54,207 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:53:54,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:54,208 INFO L85 PathProgramCache]: Analyzing trace with hash -751746133, now seen corresponding path program 1 times [2025-02-06 13:53:54,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:54,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329555229] [2025-02-06 13:53:54,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:54,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:54,212 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 13:53:54,220 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 13:53:54,220 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:54,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:54,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [569458015] [2025-02-06 13:53:54,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:54,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:54,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:54,226 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 13:53:54,227 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 13:53:54,248 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 13:53:54,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 13:53:54,261 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:54,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:54,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 13:53:54,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:54,455 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 13:53:54,456 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:02,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:02,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329555229] [2025-02-06 13:54:02,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:02,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569458015] [2025-02-06 13:54:02,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569458015] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:02,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:02,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 13:54:02,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312145969] [2025-02-06 13:54:02,882 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:02,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:54:02,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:02,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:54:02,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=80, Unknown=2, NotChecked=0, Total=110 [2025-02-06 13:54:02,883 INFO L87 Difference]: Start difference. First operand 634 states and 868 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:54:03,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:03,197 INFO L93 Difference]: Finished difference Result 661 states and 884 transitions. [2025-02-06 13:54:03,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:54:03,197 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 72 [2025-02-06 13:54:03,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:03,199 INFO L225 Difference]: With dead ends: 661 [2025-02-06 13:54:03,199 INFO L226 Difference]: Without dead ends: 654 [2025-02-06 13:54:03,200 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=53, Invalid=155, Unknown=2, NotChecked=0, Total=210 [2025-02-06 13:54:03,200 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 270 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:03,201 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 245 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:54:03,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2025-02-06 13:54:03,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 632. [2025-02-06 13:54:03,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 520 states have (on average 1.3576923076923078) internal successors, (706), 546 states have internal predecessors, (706), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2025-02-06 13:54:03,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 862 transitions. [2025-02-06 13:54:03,231 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 862 transitions. Word has length 72 [2025-02-06 13:54:03,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:03,231 INFO L471 AbstractCegarLoop]: Abstraction has 632 states and 862 transitions. [2025-02-06 13:54:03,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:54:03,232 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 862 transitions. [2025-02-06 13:54:03,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-06 13:54:03,233 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:03,233 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:03,240 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 13:54:03,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:03,434 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:03,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:03,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1947447894, now seen corresponding path program 1 times [2025-02-06 13:54:03,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:03,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302846001] [2025-02-06 13:54:03,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:03,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:03,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 13:54:03,446 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 13:54:03,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:03,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:03,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1352701345] [2025-02-06 13:54:03,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:03,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:03,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:03,450 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 13:54:03,452 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 13:54:03,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 13:54:03,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 13:54:03,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:03,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:03,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:54:03,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:03,622 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 13:54:03,622 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:03,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:03,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302846001] [2025-02-06 13:54:03,755 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:03,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352701345] [2025-02-06 13:54:03,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352701345] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:03,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:03,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 13:54:03,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644545796] [2025-02-06 13:54:03,756 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:03,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:54:03,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:03,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:54:03,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:54:03,757 INFO L87 Difference]: Start difference. First operand 632 states and 862 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:54:04,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:04,108 INFO L93 Difference]: Finished difference Result 1000 states and 1424 transitions. [2025-02-06 13:54:04,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:54:04,112 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 72 [2025-02-06 13:54:04,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:04,119 INFO L225 Difference]: With dead ends: 1000 [2025-02-06 13:54:04,119 INFO L226 Difference]: Without dead ends: 996 [2025-02-06 13:54:04,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:54:04,120 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 154 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:04,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 302 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:54:04,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2025-02-06 13:54:04,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 789. [2025-02-06 13:54:04,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 657 states have (on average 1.3637747336377473) internal successors, (896), 682 states have internal predecessors, (896), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2025-02-06 13:54:04,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1092 transitions. [2025-02-06 13:54:04,208 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1092 transitions. Word has length 72 [2025-02-06 13:54:04,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:04,208 INFO L471 AbstractCegarLoop]: Abstraction has 789 states and 1092 transitions. [2025-02-06 13:54:04,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:54:04,208 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1092 transitions. [2025-02-06 13:54:04,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-02-06 13:54:04,213 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:04,213 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:04,221 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-06 13:54:04,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:04,413 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:04,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:04,414 INFO L85 PathProgramCache]: Analyzing trace with hash 456572674, now seen corresponding path program 1 times [2025-02-06 13:54:04,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:04,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626572292] [2025-02-06 13:54:04,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:04,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:04,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-02-06 13:54:04,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-02-06 13:54:04,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:04,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:04,474 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 13:54:04,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:04,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626572292] [2025-02-06 13:54:04,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626572292] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:04,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349645850] [2025-02-06 13:54:04,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:04,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:04,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:04,478 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 13:54:04,489 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 13:54:04,517 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-02-06 13:54:04,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-02-06 13:54:04,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:04,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:04,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:54:04,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:04,577 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 13:54:04,578 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:04,700 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 13:54:04,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349645850] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:04,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:54:04,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-02-06 13:54:04,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19058353] [2025-02-06 13:54:04,701 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:04,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:54:04,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:04,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:54:04,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:54:04,702 INFO L87 Difference]: Start difference. First operand 789 states and 1092 transitions. Second operand has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2025-02-06 13:54:05,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:05,201 INFO L93 Difference]: Finished difference Result 1321 states and 1885 transitions. [2025-02-06 13:54:05,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:54:05,202 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 92 [2025-02-06 13:54:05,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:05,208 INFO L225 Difference]: With dead ends: 1321 [2025-02-06 13:54:05,208 INFO L226 Difference]: Without dead ends: 1319 [2025-02-06 13:54:05,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:54:05,209 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 275 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:05,209 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 395 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:54:05,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2025-02-06 13:54:05,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1034. [2025-02-06 13:54:05,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 861 states have (on average 1.3704994192799071) internal successors, (1180), 885 states have internal predecessors, (1180), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2025-02-06 13:54:05,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1460 transitions. [2025-02-06 13:54:05,257 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1460 transitions. Word has length 92 [2025-02-06 13:54:05,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:05,257 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1460 transitions. [2025-02-06 13:54:05,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2025-02-06 13:54:05,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1460 transitions. [2025-02-06 13:54:05,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-02-06 13:54:05,258 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:05,258 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:05,264 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 13:54:05,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-06 13:54:05,463 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:05,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:05,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1268851015, now seen corresponding path program 1 times [2025-02-06 13:54:05,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:05,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925543422] [2025-02-06 13:54:05,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:05,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:05,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-06 13:54:05,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-06 13:54:05,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:05,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:05,535 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 13:54:05,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:05,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925543422] [2025-02-06 13:54:05,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925543422] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:05,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252339799] [2025-02-06 13:54:05,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:05,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:05,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:05,538 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 13:54:05,539 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 13:54:05,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-06 13:54:05,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-06 13:54:05,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:05,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:05,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:54:05,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 13:54:05,645 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:05,799 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 13:54:05,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252339799] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:05,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:54:05,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2025-02-06 13:54:05,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225843784] [2025-02-06 13:54:05,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:05,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:54:05,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:05,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:54:05,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:54:05,800 INFO L87 Difference]: Start difference. First operand 1034 states and 1460 transitions. Second operand has 11 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-02-06 13:54:06,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:06,660 INFO L93 Difference]: Finished difference Result 1351 states and 1892 transitions. [2025-02-06 13:54:06,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 13:54:06,661 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 93 [2025-02-06 13:54:06,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:06,664 INFO L225 Difference]: With dead ends: 1351 [2025-02-06 13:54:06,665 INFO L226 Difference]: Without dead ends: 1349 [2025-02-06 13:54:06,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2025-02-06 13:54:06,667 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 864 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:06,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 440 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 13:54:06,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2025-02-06 13:54:06,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1038. [2025-02-06 13:54:06,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1038 states, 866 states have (on average 1.3325635103926097) internal successors, (1154), 889 states have internal predecessors, (1154), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2025-02-06 13:54:06,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1434 transitions. [2025-02-06 13:54:06,737 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1434 transitions. Word has length 93 [2025-02-06 13:54:06,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:06,738 INFO L471 AbstractCegarLoop]: Abstraction has 1038 states and 1434 transitions. [2025-02-06 13:54:06,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-02-06 13:54:06,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1434 transitions. [2025-02-06 13:54:06,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-06 13:54:06,738 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:06,739 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:06,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-02-06 13:54:06,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-06 13:54:06,943 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:06,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:06,944 INFO L85 PathProgramCache]: Analyzing trace with hash -404886444, now seen corresponding path program 1 times [2025-02-06 13:54:06,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:06,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518227896] [2025-02-06 13:54:06,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:06,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:06,948 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-06 13:54:06,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-06 13:54:06,954 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:06,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:06,989 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 13:54:06,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:06,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518227896] [2025-02-06 13:54:06,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518227896] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:54:06,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:54:06,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:54:06,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899572311] [2025-02-06 13:54:06,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:54:06,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:54:06,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:06,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:54:06,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:54:06,991 INFO L87 Difference]: Start difference. First operand 1038 states and 1434 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-06 13:54:07,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:07,086 INFO L93 Difference]: Finished difference Result 1038 states and 1434 transitions. [2025-02-06 13:54:07,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:54:07,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 95 [2025-02-06 13:54:07,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:07,089 INFO L225 Difference]: With dead ends: 1038 [2025-02-06 13:54:07,090 INFO L226 Difference]: Without dead ends: 1037 [2025-02-06 13:54:07,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:54:07,091 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 20 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:07,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 152 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:54:07,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2025-02-06 13:54:07,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1037. [2025-02-06 13:54:07,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 866 states have (on average 1.3221709006928406) internal successors, (1145), 888 states have internal predecessors, (1145), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2025-02-06 13:54:07,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1425 transitions. [2025-02-06 13:54:07,138 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1425 transitions. Word has length 95 [2025-02-06 13:54:07,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:07,138 INFO L471 AbstractCegarLoop]: Abstraction has 1037 states and 1425 transitions. [2025-02-06 13:54:07,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-06 13:54:07,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1425 transitions. [2025-02-06 13:54:07,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-02-06 13:54:07,139 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:07,140 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:07,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-02-06 13:54:07,140 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:07,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:07,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1746150802, now seen corresponding path program 1 times [2025-02-06 13:54:07,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:07,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922465422] [2025-02-06 13:54:07,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:07,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:07,145 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-06 13:54:07,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-06 13:54:07,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:07,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:07,208 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 13:54:07,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:07,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922465422] [2025-02-06 13:54:07,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922465422] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:07,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435070403] [2025-02-06 13:54:07,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:07,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:07,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:07,211 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 13:54:07,213 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 13:54:07,235 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-02-06 13:54:07,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-02-06 13:54:07,262 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:07,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:07,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:54:07,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:07,452 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 13:54:07,452 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:54:07,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435070403] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:54:07,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:07,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-02-06 13:54:07,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355135241] [2025-02-06 13:54:07,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:54:07,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:54:07,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:07,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:54:07,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:54:07,453 INFO L87 Difference]: Start difference. First operand 1037 states and 1425 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-06 13:54:07,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:07,607 INFO L93 Difference]: Finished difference Result 1055 states and 1456 transitions. [2025-02-06 13:54:07,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:54:07,607 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 97 [2025-02-06 13:54:07,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:07,611 INFO L225 Difference]: With dead ends: 1055 [2025-02-06 13:54:07,611 INFO L226 Difference]: Without dead ends: 1054 [2025-02-06 13:54:07,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:54:07,612 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 66 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:07,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 154 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:54:07,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2025-02-06 13:54:07,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1036. [2025-02-06 13:54:07,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 866 states have (on average 1.3140877598152425) internal successors, (1138), 887 states have internal predecessors, (1138), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2025-02-06 13:54:07,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1418 transitions. [2025-02-06 13:54:07,670 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1418 transitions. Word has length 97 [2025-02-06 13:54:07,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:07,670 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1418 transitions. [2025-02-06 13:54:07,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-06 13:54:07,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1418 transitions. [2025-02-06 13:54:07,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-06 13:54:07,670 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:07,671 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:07,678 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 13:54:07,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:07,871 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:07,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:07,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1703900004, now seen corresponding path program 1 times [2025-02-06 13:54:07,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:07,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040027958] [2025-02-06 13:54:07,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:07,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:07,877 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-06 13:54:07,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-06 13:54:07,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:07,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:07,983 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 13:54:07,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:07,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040027958] [2025-02-06 13:54:07,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040027958] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:07,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693067570] [2025-02-06 13:54:07,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:07,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:07,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:07,990 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 13:54:07,993 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 13:54:08,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-06 13:54:08,030 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-06 13:54:08,030 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:08,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:08,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:54:08,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:08,240 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 13:54:08,240 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:08,399 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 13:54:08,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693067570] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:08,400 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:54:08,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-02-06 13:54:08,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62020641] [2025-02-06 13:54:08,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:08,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:54:08,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:08,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:54:08,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:54:08,401 INFO L87 Difference]: Start difference. First operand 1036 states and 1418 transitions. Second operand has 11 states, 10 states have (on average 15.6) internal successors, (156), 11 states have internal predecessors, (156), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-02-06 13:54:09,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:09,023 INFO L93 Difference]: Finished difference Result 1431 states and 1978 transitions. [2025-02-06 13:54:09,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 13:54:09,024 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 15.6) internal successors, (156), 11 states have internal predecessors, (156), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 98 [2025-02-06 13:54:09,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:09,027 INFO L225 Difference]: With dead ends: 1431 [2025-02-06 13:54:09,028 INFO L226 Difference]: Without dead ends: 1429 [2025-02-06 13:54:09,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:54:09,030 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 301 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:09,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 393 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:54:09,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2025-02-06 13:54:09,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1186. [2025-02-06 13:54:09,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 998 states have (on average 1.312625250501002) internal successors, (1310), 1019 states have internal predecessors, (1310), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2025-02-06 13:54:09,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1626 transitions. [2025-02-06 13:54:09,088 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1626 transitions. Word has length 98 [2025-02-06 13:54:09,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:09,090 INFO L471 AbstractCegarLoop]: Abstraction has 1186 states and 1626 transitions. [2025-02-06 13:54:09,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 15.6) internal successors, (156), 11 states have internal predecessors, (156), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-02-06 13:54:09,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1626 transitions. [2025-02-06 13:54:09,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-02-06 13:54:09,092 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:09,092 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:09,101 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 13:54:09,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:09,293 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:09,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:09,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1153230206, now seen corresponding path program 1 times [2025-02-06 13:54:09,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:09,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169085367] [2025-02-06 13:54:09,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:09,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:09,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 13:54:09,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 13:54:09,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:09,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:09,372 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-06 13:54:09,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:09,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169085367] [2025-02-06 13:54:09,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169085367] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:09,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848947615] [2025-02-06 13:54:09,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:09,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:09,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:09,374 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 13:54:09,376 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 13:54:09,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 13:54:09,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 13:54:09,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:09,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:09,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:54:09,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:09,511 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-06 13:54:09,511 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:09,684 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-06 13:54:09,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848947615] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:09,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:54:09,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2025-02-06 13:54:09,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355775048] [2025-02-06 13:54:09,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:09,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:54:09,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:09,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:54:09,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:54:09,686 INFO L87 Difference]: Start difference. First operand 1186 states and 1626 transitions. Second operand has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2025-02-06 13:54:10,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:10,086 INFO L93 Difference]: Finished difference Result 1231 states and 1674 transitions. [2025-02-06 13:54:10,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 13:54:10,087 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 108 [2025-02-06 13:54:10,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:10,090 INFO L225 Difference]: With dead ends: 1231 [2025-02-06 13:54:10,091 INFO L226 Difference]: Without dead ends: 1230 [2025-02-06 13:54:10,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 210 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2025-02-06 13:54:10,093 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 382 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:10,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 364 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:54:10,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2025-02-06 13:54:10,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1115. [2025-02-06 13:54:10,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 938 states have (on average 1.3091684434968016) internal successors, (1228), 958 states have internal predecessors, (1228), 148 states have call successors, (148), 8 states have call predecessors, (148), 8 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2025-02-06 13:54:10,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1524 transitions. [2025-02-06 13:54:10,147 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1524 transitions. Word has length 108 [2025-02-06 13:54:10,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:10,147 INFO L471 AbstractCegarLoop]: Abstraction has 1115 states and 1524 transitions. [2025-02-06 13:54:10,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2025-02-06 13:54:10,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1524 transitions. [2025-02-06 13:54:10,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-02-06 13:54:10,148 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:10,148 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 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 13:54:10,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-02-06 13:54:10,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:10,349 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:10,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:10,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1219009950, now seen corresponding path program 1 times [2025-02-06 13:54:10,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:10,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856750684] [2025-02-06 13:54:10,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:10,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:10,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 13:54:10,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 13:54:10,368 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:10,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:10,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1689797826] [2025-02-06 13:54:10,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:10,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:10,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:10,372 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 13:54:10,376 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 13:54:10,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 13:54:10,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 13:54:10,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:10,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:10,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:54:10,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:10,893 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-06 13:54:10,894 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:11,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:11,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856750684] [2025-02-06 13:54:11,012 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:11,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689797826] [2025-02-06 13:54:11,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689797826] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:11,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:11,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-06 13:54:11,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129010884] [2025-02-06 13:54:11,012 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:11,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:54:11,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:11,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:54:11,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:54:11,013 INFO L87 Difference]: Start difference. First operand 1115 states and 1524 transitions. Second operand has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-06 13:54:11,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:11,813 INFO L93 Difference]: Finished difference Result 2138 states and 2990 transitions. [2025-02-06 13:54:11,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-06 13:54:11,814 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 110 [2025-02-06 13:54:11,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:11,820 INFO L225 Difference]: With dead ends: 2138 [2025-02-06 13:54:11,820 INFO L226 Difference]: Without dead ends: 2135 [2025-02-06 13:54:11,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2025-02-06 13:54:11,821 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 247 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:11,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 583 Invalid, 1140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1103 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 13:54:11,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2135 states. [2025-02-06 13:54:11,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2135 to 1171. [2025-02-06 13:54:11,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 985 states have (on average 1.3086294416243656) internal successors, (1289), 1005 states have internal predecessors, (1289), 157 states have call successors, (157), 8 states have call predecessors, (157), 8 states have return successors, (157), 157 states have call predecessors, (157), 157 states have call successors, (157) [2025-02-06 13:54:11,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1603 transitions. [2025-02-06 13:54:11,899 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1603 transitions. Word has length 110 [2025-02-06 13:54:11,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:11,899 INFO L471 AbstractCegarLoop]: Abstraction has 1171 states and 1603 transitions. [2025-02-06 13:54:11,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-06 13:54:11,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1603 transitions. [2025-02-06 13:54:11,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-02-06 13:54:11,900 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:11,900 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:11,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-02-06 13:54:12,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:12,101 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:12,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:12,101 INFO L85 PathProgramCache]: Analyzing trace with hash 479272050, now seen corresponding path program 1 times [2025-02-06 13:54:12,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:12,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395889194] [2025-02-06 13:54:12,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:12,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:12,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 13:54:12,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 13:54:12,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:12,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:12,184 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-06 13:54:12,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:12,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395889194] [2025-02-06 13:54:12,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395889194] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:12,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329185192] [2025-02-06 13:54:12,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:12,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:12,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:12,188 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 13:54:12,189 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 13:54:12,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 13:54:12,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 13:54:12,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:12,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:12,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:54:12,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:12,365 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 159 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-02-06 13:54:12,365 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:12,520 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-06 13:54:12,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329185192] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:12,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:54:12,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 23 [2025-02-06 13:54:12,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110466496] [2025-02-06 13:54:12,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:12,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-06 13:54:12,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:12,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-06 13:54:12,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2025-02-06 13:54:12,522 INFO L87 Difference]: Start difference. First operand 1171 states and 1603 transitions. Second operand has 24 states, 23 states have (on average 8.08695652173913) internal successors, (186), 24 states have internal predecessors, (186), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2025-02-06 13:54:13,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:13,039 INFO L93 Difference]: Finished difference Result 1900 states and 2516 transitions. [2025-02-06 13:54:13,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-02-06 13:54:13,040 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.08695652173913) internal successors, (186), 24 states have internal predecessors, (186), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 110 [2025-02-06 13:54:13,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:13,056 INFO L225 Difference]: With dead ends: 1900 [2025-02-06 13:54:13,056 INFO L226 Difference]: Without dead ends: 1638 [2025-02-06 13:54:13,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=630, Invalid=1920, Unknown=0, NotChecked=0, Total=2550 [2025-02-06 13:54:13,058 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 397 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:13,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 815 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:54:13,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2025-02-06 13:54:13,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1441. [2025-02-06 13:54:13,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1216 states have (on average 1.2886513157894737) internal successors, (1567), 1236 states have internal predecessors, (1567), 190 states have call successors, (190), 14 states have call predecessors, (190), 14 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2025-02-06 13:54:13,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 1947 transitions. [2025-02-06 13:54:13,120 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 1947 transitions. Word has length 110 [2025-02-06 13:54:13,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:13,121 INFO L471 AbstractCegarLoop]: Abstraction has 1441 states and 1947 transitions. [2025-02-06 13:54:13,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.08695652173913) internal successors, (186), 24 states have internal predecessors, (186), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2025-02-06 13:54:13,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1947 transitions. [2025-02-06 13:54:13,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-02-06 13:54:13,121 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:13,122 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 13:54:13,128 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 13:54:13,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:13,326 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:13,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:13,327 INFO L85 PathProgramCache]: Analyzing trace with hash 865397259, now seen corresponding path program 1 times [2025-02-06 13:54:13,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:13,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523806832] [2025-02-06 13:54:13,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:13,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:13,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-02-06 13:54:13,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-02-06 13:54:13,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:13,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:13,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [10460979] [2025-02-06 13:54:13,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:13,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:13,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:13,344 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 13:54:13,351 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 13:54:13,375 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-02-06 13:54:13,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-02-06 13:54:13,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:13,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:13,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:54:13,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:13,734 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-06 13:54:13,734 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:13,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:13,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523806832] [2025-02-06 13:54:13,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:13,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10460979] [2025-02-06 13:54:13,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10460979] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:13,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:13,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-06 13:54:14,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747482931] [2025-02-06 13:54:14,000 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:14,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:54:14,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:14,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:54:14,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:54:14,001 INFO L87 Difference]: Start difference. First operand 1441 states and 1947 transitions. Second operand has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-06 13:54:14,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:14,434 INFO L93 Difference]: Finished difference Result 1587 states and 2134 transitions. [2025-02-06 13:54:14,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 13:54:14,434 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 111 [2025-02-06 13:54:14,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:14,438 INFO L225 Difference]: With dead ends: 1587 [2025-02-06 13:54:14,438 INFO L226 Difference]: Without dead ends: 1584 [2025-02-06 13:54:14,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:54:14,439 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 94 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:14,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 361 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:54:14,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2025-02-06 13:54:14,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1555. [2025-02-06 13:54:14,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1313 states have (on average 1.2871287128712872) internal successors, (1690), 1333 states have internal predecessors, (1690), 207 states have call successors, (207), 14 states have call predecessors, (207), 14 states have return successors, (207), 207 states have call predecessors, (207), 207 states have call successors, (207) [2025-02-06 13:54:14,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2104 transitions. [2025-02-06 13:54:14,511 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2104 transitions. Word has length 111 [2025-02-06 13:54:14,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:14,511 INFO L471 AbstractCegarLoop]: Abstraction has 1555 states and 2104 transitions. [2025-02-06 13:54:14,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-06 13:54:14,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2104 transitions. [2025-02-06 13:54:14,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-02-06 13:54:14,512 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:14,512 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 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 13:54:14,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-02-06 13:54:14,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-06 13:54:14,713 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:14,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:14,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1057511296, now seen corresponding path program 1 times [2025-02-06 13:54:14,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:14,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636462813] [2025-02-06 13:54:14,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:14,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:14,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-02-06 13:54:14,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-02-06 13:54:14,724 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:14,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:14,778 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-06 13:54:14,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:14,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636462813] [2025-02-06 13:54:14,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636462813] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:54:14,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:54:14,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:54:14,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702814512] [2025-02-06 13:54:14,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:54:14,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:54:14,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:14,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:54:14,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:54:14,781 INFO L87 Difference]: Start difference. First operand 1555 states and 2104 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-06 13:54:15,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:15,086 INFO L93 Difference]: Finished difference Result 1562 states and 2107 transitions. [2025-02-06 13:54:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 13:54:15,087 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 112 [2025-02-06 13:54:15,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:15,090 INFO L225 Difference]: With dead ends: 1562 [2025-02-06 13:54:15,091 INFO L226 Difference]: Without dead ends: 1560 [2025-02-06 13:54:15,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:54:15,091 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 105 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:15,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 226 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:54:15,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2025-02-06 13:54:15,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1521. [2025-02-06 13:54:15,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1285 states have (on average 1.2785992217898832) internal successors, (1643), 1303 states have internal predecessors, (1643), 203 states have call successors, (203), 14 states have call predecessors, (203), 14 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2025-02-06 13:54:15,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2049 transitions. [2025-02-06 13:54:15,165 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2049 transitions. Word has length 112 [2025-02-06 13:54:15,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:15,165 INFO L471 AbstractCegarLoop]: Abstraction has 1521 states and 2049 transitions. [2025-02-06 13:54:15,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-06 13:54:15,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2049 transitions. [2025-02-06 13:54:15,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-06 13:54:15,166 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:15,167 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 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 13:54:15,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-02-06 13:54:15,167 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:15,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:15,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1576888151, now seen corresponding path program 1 times [2025-02-06 13:54:15,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:15,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253019710] [2025-02-06 13:54:15,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:15,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:15,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-06 13:54:15,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 13:54:15,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:15,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:15,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [214616869] [2025-02-06 13:54:15,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:15,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:15,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:15,192 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 13:54:15,198 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 13:54:15,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-06 13:54:15,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 13:54:15,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:15,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:15,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 13:54:15,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:15,554 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-06 13:54:15,554 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:20,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:20,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253019710] [2025-02-06 13:54:20,024 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:20,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214616869] [2025-02-06 13:54:20,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214616869] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:20,024 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:20,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 13:54:20,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422374986] [2025-02-06 13:54:20,025 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:20,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:54:20,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:20,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:54:20,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=164, Unknown=1, NotChecked=0, Total=210 [2025-02-06 13:54:20,026 INFO L87 Difference]: Start difference. First operand 1521 states and 2049 transitions. Second operand has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-06 13:54:20,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:20,468 INFO L93 Difference]: Finished difference Result 1543 states and 2061 transitions. [2025-02-06 13:54:20,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:54:20,469 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 113 [2025-02-06 13:54:20,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:20,477 INFO L225 Difference]: With dead ends: 1543 [2025-02-06 13:54:20,480 INFO L226 Difference]: Without dead ends: 1536 [2025-02-06 13:54:20,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=90, Invalid=329, Unknown=1, NotChecked=0, Total=420 [2025-02-06 13:54:20,481 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 212 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:20,481 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 323 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:54:20,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2025-02-06 13:54:20,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 1387. [2025-02-06 13:54:20,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1387 states, 1171 states have (on average 1.2758326216908624) internal successors, (1494), 1190 states have internal predecessors, (1494), 183 states have call successors, (183), 14 states have call predecessors, (183), 14 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2025-02-06 13:54:20,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1860 transitions. [2025-02-06 13:54:20,558 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1860 transitions. Word has length 113 [2025-02-06 13:54:20,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:20,559 INFO L471 AbstractCegarLoop]: Abstraction has 1387 states and 1860 transitions. [2025-02-06 13:54:20,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-06 13:54:20,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1860 transitions. [2025-02-06 13:54:20,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-06 13:54:20,561 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:20,561 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:20,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-06 13:54:20,765 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,SelfDestructingSolverStorable36 [2025-02-06 13:54:20,765 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:20,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:20,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1522377384, now seen corresponding path program 2 times [2025-02-06 13:54:20,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:20,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957387478] [2025-02-06 13:54:20,766 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:20,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:20,773 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 113 statements into 2 equivalence classes. [2025-02-06 13:54:20,780 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 13:54:20,780 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:20,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:20,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1768450362] [2025-02-06 13:54:20,780 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:20,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:20,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:20,783 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:54:20,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-06 13:54:20,808 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 113 statements into 2 equivalence classes. [2025-02-06 13:54:20,826 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 13:54:20,826 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:20,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:20,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-06 13:54:20,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:21,070 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-02-06 13:54:21,070 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:21,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:21,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957387478] [2025-02-06 13:54:21,168 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:21,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768450362] [2025-02-06 13:54:21,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768450362] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:21,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:21,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-06 13:54:21,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676230624] [2025-02-06 13:54:21,168 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:21,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:54:21,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:21,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:54:21,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:54:21,168 INFO L87 Difference]: Start difference. First operand 1387 states and 1860 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-06 13:54:21,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:21,647 INFO L93 Difference]: Finished difference Result 1695 states and 2316 transitions. [2025-02-06 13:54:21,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 13:54:21,648 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 113 [2025-02-06 13:54:21,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:21,653 INFO L225 Difference]: With dead ends: 1695 [2025-02-06 13:54:21,653 INFO L226 Difference]: Without dead ends: 1691 [2025-02-06 13:54:21,654 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:54:21,654 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 218 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:21,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 461 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:54:21,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2025-02-06 13:54:21,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1387. [2025-02-06 13:54:21,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1387 states, 1171 states have (on average 1.2604611443210931) internal successors, (1476), 1190 states have internal predecessors, (1476), 183 states have call successors, (183), 14 states have call predecessors, (183), 14 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2025-02-06 13:54:21,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1842 transitions. [2025-02-06 13:54:21,741 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1842 transitions. Word has length 113 [2025-02-06 13:54:21,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:21,746 INFO L471 AbstractCegarLoop]: Abstraction has 1387 states and 1842 transitions. [2025-02-06 13:54:21,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-06 13:54:21,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1842 transitions. [2025-02-06 13:54:21,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-02-06 13:54:21,747 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:21,747 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:54:21,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-06 13:54:21,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-02-06 13:54:21,948 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:21,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:21,948 INFO L85 PathProgramCache]: Analyzing trace with hash 599473448, now seen corresponding path program 2 times [2025-02-06 13:54:21,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:21,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119049514] [2025-02-06 13:54:21,949 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:21,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:21,955 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 123 statements into 2 equivalence classes. [2025-02-06 13:54:21,964 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 123 of 123 statements. [2025-02-06 13:54:21,964 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:21,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:22,006 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 13:54:22,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:22,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119049514] [2025-02-06 13:54:22,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119049514] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:54:22,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:54:22,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:54:22,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361026592] [2025-02-06 13:54:22,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:54:22,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:54:22,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:22,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:54:22,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:54:22,010 INFO L87 Difference]: Start difference. First operand 1387 states and 1842 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-02-06 13:54:22,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:22,389 INFO L93 Difference]: Finished difference Result 2418 states and 3261 transitions. [2025-02-06 13:54:22,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:54:22,389 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 123 [2025-02-06 13:54:22,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:22,396 INFO L225 Difference]: With dead ends: 2418 [2025-02-06 13:54:22,396 INFO L226 Difference]: Without dead ends: 1424 [2025-02-06 13:54:22,398 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:54:22,398 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 52 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:22,399 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 178 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:54:22,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2025-02-06 13:54:22,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1357. [2025-02-06 13:54:22,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1357 states, 1145 states have (on average 1.2724890829694324) internal successors, (1457), 1163 states have internal predecessors, (1457), 181 states have call successors, (181), 12 states have call predecessors, (181), 12 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2025-02-06 13:54:22,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1819 transitions. [2025-02-06 13:54:22,470 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1819 transitions. Word has length 123 [2025-02-06 13:54:22,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:22,470 INFO L471 AbstractCegarLoop]: Abstraction has 1357 states and 1819 transitions. [2025-02-06 13:54:22,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-02-06 13:54:22,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1819 transitions. [2025-02-06 13:54:22,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-02-06 13:54:22,471 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:22,471 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:22,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-02-06 13:54:22,472 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:22,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:22,472 INFO L85 PathProgramCache]: Analyzing trace with hash 646521900, now seen corresponding path program 1 times [2025-02-06 13:54:22,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:22,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810651586] [2025-02-06 13:54:22,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:22,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:22,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-06 13:54:22,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-06 13:54:22,481 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:22,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:22,591 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 13:54:22,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:22,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810651586] [2025-02-06 13:54:22,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810651586] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:22,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057489692] [2025-02-06 13:54:22,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:22,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:22,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:22,597 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:54:22,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-06 13:54:22,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-06 13:54:22,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-06 13:54:22,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:22,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:22,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 13:54:22,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:22,767 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 213 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 13:54:22,767 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:22,955 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 13:54:22,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057489692] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:22,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:54:22,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2025-02-06 13:54:22,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498373477] [2025-02-06 13:54:22,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:22,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-06 13:54:22,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:22,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-06 13:54:22,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2025-02-06 13:54:22,957 INFO L87 Difference]: Start difference. First operand 1357 states and 1819 transitions. Second operand has 22 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2025-02-06 13:54:23,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:23,358 INFO L93 Difference]: Finished difference Result 1987 states and 2609 transitions. [2025-02-06 13:54:23,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-02-06 13:54:23,358 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) Word has length 125 [2025-02-06 13:54:23,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:23,361 INFO L225 Difference]: With dead ends: 1987 [2025-02-06 13:54:23,362 INFO L226 Difference]: Without dead ends: 1507 [2025-02-06 13:54:23,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=467, Invalid=1513, Unknown=0, NotChecked=0, Total=1980 [2025-02-06 13:54:23,363 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 267 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:23,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 789 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:54:23,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1507 states. [2025-02-06 13:54:23,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1507 to 1458. [2025-02-06 13:54:23,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1458 states, 1229 states have (on average 1.2530512611879576) internal successors, (1540), 1249 states have internal predecessors, (1540), 190 states have call successors, (190), 20 states have call predecessors, (190), 20 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2025-02-06 13:54:23,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1920 transitions. [2025-02-06 13:54:23,435 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1920 transitions. Word has length 125 [2025-02-06 13:54:23,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:23,436 INFO L471 AbstractCegarLoop]: Abstraction has 1458 states and 1920 transitions. [2025-02-06 13:54:23,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2025-02-06 13:54:23,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1920 transitions. [2025-02-06 13:54:23,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2025-02-06 13:54:23,437 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:23,437 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:23,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-06 13:54:23,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-02-06 13:54:23,642 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:23,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:23,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1585510176, now seen corresponding path program 2 times [2025-02-06 13:54:23,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:23,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591641257] [2025-02-06 13:54:23,643 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:23,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:23,647 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 151 statements into 2 equivalence classes. [2025-02-06 13:54:23,656 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 151 of 151 statements. [2025-02-06 13:54:23,656 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:23,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:23,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1083802910] [2025-02-06 13:54:23,657 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:23,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:23,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:23,658 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:54:23,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-06 13:54:23,684 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 151 statements into 2 equivalence classes. [2025-02-06 13:54:23,705 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 151 of 151 statements. [2025-02-06 13:54:23,706 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:23,706 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:23,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 13:54:23,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:24,121 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-06 13:54:24,122 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:54:24,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:24,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591641257] [2025-02-06 13:54:24,122 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:24,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083802910] [2025-02-06 13:54:24,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083802910] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:54:24,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:54:24,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-02-06 13:54:24,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151473893] [2025-02-06 13:54:24,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:54:24,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:54:24,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:24,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:54:24,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:54:24,123 INFO L87 Difference]: Start difference. First operand 1458 states and 1920 transitions. Second operand has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2025-02-06 13:54:24,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:24,611 INFO L93 Difference]: Finished difference Result 1991 states and 2670 transitions. [2025-02-06 13:54:24,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 13:54:24,614 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 151 [2025-02-06 13:54:24,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:24,618 INFO L225 Difference]: With dead ends: 1991 [2025-02-06 13:54:24,618 INFO L226 Difference]: Without dead ends: 1988 [2025-02-06 13:54:24,618 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:54:24,619 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 194 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:24,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 550 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:54:24,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2025-02-06 13:54:24,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1047. [2025-02-06 13:54:24,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 877 states have (on average 1.2075256556442417) internal successors, (1059), 894 states have internal predecessors, (1059), 134 states have call successors, (134), 20 states have call predecessors, (134), 20 states have return successors, (134), 132 states have call predecessors, (134), 134 states have call successors, (134) [2025-02-06 13:54:24,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1327 transitions. [2025-02-06 13:54:24,696 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1327 transitions. Word has length 151 [2025-02-06 13:54:24,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:24,696 INFO L471 AbstractCegarLoop]: Abstraction has 1047 states and 1327 transitions. [2025-02-06 13:54:24,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2025-02-06 13:54:24,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1327 transitions. [2025-02-06 13:54:24,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-02-06 13:54:24,697 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:24,698 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:24,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-02-06 13:54:24,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2025-02-06 13:54:24,902 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:24,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:24,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1906175155, now seen corresponding path program 2 times [2025-02-06 13:54:24,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:24,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750462010] [2025-02-06 13:54:24,903 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:24,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:24,907 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 152 statements into 2 equivalence classes. [2025-02-06 13:54:24,916 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 152 of 152 statements. [2025-02-06 13:54:24,918 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:24,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:24,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [796482560] [2025-02-06 13:54:24,918 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:24,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:24,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:24,921 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:54:24,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-06 13:54:24,948 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 152 statements into 2 equivalence classes. [2025-02-06 13:54:24,969 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 152 of 152 statements. [2025-02-06 13:54:24,969 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:24,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:24,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 13:54:24,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:25,592 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-06 13:54:25,592 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:25,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:25,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750462010] [2025-02-06 13:54:25,750 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:25,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [796482560] [2025-02-06 13:54:25,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [796482560] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:25,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:25,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-06 13:54:25,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203837653] [2025-02-06 13:54:25,751 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:25,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:54:25,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:25,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:54:25,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:54:25,752 INFO L87 Difference]: Start difference. First operand 1047 states and 1327 transitions. Second operand has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2025-02-06 13:54:25,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:25,984 INFO L93 Difference]: Finished difference Result 1174 states and 1492 transitions. [2025-02-06 13:54:25,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:54:25,988 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 152 [2025-02-06 13:54:25,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:25,990 INFO L225 Difference]: With dead ends: 1174 [2025-02-06 13:54:25,990 INFO L226 Difference]: Without dead ends: 1171 [2025-02-06 13:54:25,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:54:25,991 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 160 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:25,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 269 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:54:25,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2025-02-06 13:54:26,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1148. [2025-02-06 13:54:26,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 962 states have (on average 1.212058212058212) internal successors, (1166), 979 states have internal predecessors, (1166), 150 states have call successors, (150), 20 states have call predecessors, (150), 20 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2025-02-06 13:54:26,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1466 transitions. [2025-02-06 13:54:26,059 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1466 transitions. Word has length 152 [2025-02-06 13:54:26,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:26,059 INFO L471 AbstractCegarLoop]: Abstraction has 1148 states and 1466 transitions. [2025-02-06 13:54:26,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2025-02-06 13:54:26,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1466 transitions. [2025-02-06 13:54:26,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-02-06 13:54:26,060 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:26,061 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-02-06 13:54:26,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-06 13:54:26,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:26,261 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:26,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:26,262 INFO L85 PathProgramCache]: Analyzing trace with hash 2116712811, now seen corresponding path program 2 times [2025-02-06 13:54:26,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:26,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859303844] [2025-02-06 13:54:26,262 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:26,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:26,266 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 154 statements into 2 equivalence classes. [2025-02-06 13:54:26,292 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 154 of 154 statements. [2025-02-06 13:54:26,293 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:26,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:26,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2136884908] [2025-02-06 13:54:26,293 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:26,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:26,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:26,298 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:54:26,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-06 13:54:26,328 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 154 statements into 2 equivalence classes. [2025-02-06 13:54:26,354 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 154 of 154 statements. [2025-02-06 13:54:26,354 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:26,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:26,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 13:54:26,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:26,724 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-06 13:54:26,724 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:27,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:27,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859303844] [2025-02-06 13:54:27,440 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:27,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136884908] [2025-02-06 13:54:27,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136884908] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:27,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:27,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-06 13:54:27,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461690850] [2025-02-06 13:54:27,441 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:27,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 13:54:27,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:27,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 13:54:27,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2025-02-06 13:54:27,441 INFO L87 Difference]: Start difference. First operand 1148 states and 1466 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-02-06 13:54:28,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:28,061 INFO L93 Difference]: Finished difference Result 1171 states and 1477 transitions. [2025-02-06 13:54:28,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 13:54:28,061 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 154 [2025-02-06 13:54:28,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:28,064 INFO L225 Difference]: With dead ends: 1171 [2025-02-06 13:54:28,064 INFO L226 Difference]: Without dead ends: 1164 [2025-02-06 13:54:28,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2025-02-06 13:54:28,065 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 79 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 1217 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:28,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 657 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1217 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:54:28,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2025-02-06 13:54:28,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1072. [2025-02-06 13:54:28,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 898 states have (on average 1.1971046770601337) internal successors, (1075), 915 states have internal predecessors, (1075), 138 states have call successors, (138), 20 states have call predecessors, (138), 20 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2025-02-06 13:54:28,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1351 transitions. [2025-02-06 13:54:28,129 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1351 transitions. Word has length 154 [2025-02-06 13:54:28,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:28,131 INFO L471 AbstractCegarLoop]: Abstraction has 1072 states and 1351 transitions. [2025-02-06 13:54:28,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-02-06 13:54:28,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1351 transitions. [2025-02-06 13:54:28,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-02-06 13:54:28,132 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:28,132 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:28,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-02-06 13:54:28,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2025-02-06 13:54:28,333 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:28,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:28,333 INFO L85 PathProgramCache]: Analyzing trace with hash 921011050, now seen corresponding path program 3 times [2025-02-06 13:54:28,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:28,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009217471] [2025-02-06 13:54:28,333 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:54:28,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:28,338 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 154 statements into 13 equivalence classes. [2025-02-06 13:54:28,358 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 154 of 154 statements. [2025-02-06 13:54:28,360 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-02-06 13:54:28,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:28,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1623552962] [2025-02-06 13:54:28,360 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:54:28,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:28,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:28,365 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:54:28,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-06 13:54:28,391 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 154 statements into 13 equivalence classes. [2025-02-06 13:54:28,405 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 37 of 154 statements. [2025-02-06 13:54:28,406 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-06 13:54:28,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:28,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-06 13:54:28,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:28,694 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 45 proven. 26 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2025-02-06 13:54:28,695 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:28,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:28,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009217471] [2025-02-06 13:54:28,844 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:28,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623552962] [2025-02-06 13:54:28,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623552962] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:28,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:28,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-06 13:54:28,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549824833] [2025-02-06 13:54:28,844 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:28,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:54:28,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:28,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:54:28,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:54:28,845 INFO L87 Difference]: Start difference. First operand 1072 states and 1351 transitions. Second operand has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:54:29,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:29,346 INFO L93 Difference]: Finished difference Result 1292 states and 1641 transitions. [2025-02-06 13:54:29,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 13:54:29,347 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 154 [2025-02-06 13:54:29,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:29,349 INFO L225 Difference]: With dead ends: 1292 [2025-02-06 13:54:29,349 INFO L226 Difference]: Without dead ends: 1288 [2025-02-06 13:54:29,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2025-02-06 13:54:29,350 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 327 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:29,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 378 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:54:29,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2025-02-06 13:54:29,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1062. [2025-02-06 13:54:29,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 888 states have (on average 1.177927927927928) internal successors, (1046), 905 states have internal predecessors, (1046), 138 states have call successors, (138), 20 states have call predecessors, (138), 20 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2025-02-06 13:54:29,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1322 transitions. [2025-02-06 13:54:29,420 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1322 transitions. Word has length 154 [2025-02-06 13:54:29,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:29,420 INFO L471 AbstractCegarLoop]: Abstraction has 1062 states and 1322 transitions. [2025-02-06 13:54:29,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:54:29,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1322 transitions. [2025-02-06 13:54:29,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2025-02-06 13:54:29,425 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:29,425 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:29,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-02-06 13:54:29,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:29,630 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:29,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:29,630 INFO L85 PathProgramCache]: Analyzing trace with hash 752522090, now seen corresponding path program 3 times [2025-02-06 13:54:29,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:29,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810441440] [2025-02-06 13:54:29,631 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:54:29,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:29,635 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 164 statements into 11 equivalence classes. [2025-02-06 13:54:29,659 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 164 of 164 statements. [2025-02-06 13:54:29,659 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-06 13:54:29,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:29,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [239148212] [2025-02-06 13:54:29,660 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:54:29,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:29,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:29,665 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:54:29,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-06 13:54:29,693 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 164 statements into 11 equivalence classes. [2025-02-06 13:54:29,715 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 72 of 164 statements. [2025-02-06 13:54:29,715 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-02-06 13:54:29,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:29,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-02-06 13:54:29,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:30,164 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 99 proven. 76 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2025-02-06 13:54:30,164 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:30,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:30,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810441440] [2025-02-06 13:54:30,858 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:30,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239148212] [2025-02-06 13:54:30,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239148212] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:30,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:30,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-06 13:54:30,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629314601] [2025-02-06 13:54:30,858 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:30,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 13:54:30,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:30,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 13:54:30,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2025-02-06 13:54:30,859 INFO L87 Difference]: Start difference. First operand 1062 states and 1322 transitions. Second operand has 13 states, 12 states have (on average 6.916666666666667) internal successors, (83), 13 states have internal predecessors, (83), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-06 13:54:32,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:32,470 INFO L93 Difference]: Finished difference Result 1189 states and 1485 transitions. [2025-02-06 13:54:32,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-06 13:54:32,471 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.916666666666667) internal successors, (83), 13 states have internal predecessors, (83), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 164 [2025-02-06 13:54:32,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:32,474 INFO L225 Difference]: With dead ends: 1189 [2025-02-06 13:54:32,474 INFO L226 Difference]: Without dead ends: 1167 [2025-02-06 13:54:32,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=312, Invalid=1094, Unknown=0, NotChecked=0, Total=1406 [2025-02-06 13:54:32,478 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 352 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:32,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 288 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-06 13:54:32,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2025-02-06 13:54:32,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1025. [2025-02-06 13:54:32,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1025 states, 865 states have (on average 1.138728323699422) internal successors, (985), 881 states have internal predecessors, (985), 125 states have call successors, (125), 20 states have call predecessors, (125), 20 states have return successors, (125), 123 states have call predecessors, (125), 125 states have call successors, (125) [2025-02-06 13:54:32,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1235 transitions. [2025-02-06 13:54:32,558 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1235 transitions. Word has length 164 [2025-02-06 13:54:32,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:32,558 INFO L471 AbstractCegarLoop]: Abstraction has 1025 states and 1235 transitions. [2025-02-06 13:54:32,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.916666666666667) internal successors, (83), 13 states have internal predecessors, (83), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-06 13:54:32,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1235 transitions. [2025-02-06 13:54:32,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-02-06 13:54:32,559 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:32,559 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:32,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-02-06 13:54:32,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:32,760 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:32,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:32,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1619224136, now seen corresponding path program 3 times [2025-02-06 13:54:32,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:32,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267896514] [2025-02-06 13:54:32,761 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:54:32,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:32,767 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 166 statements into 11 equivalence classes. [2025-02-06 13:54:32,791 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 166 of 166 statements. [2025-02-06 13:54:32,794 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-06 13:54:32,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:32,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2133805912] [2025-02-06 13:54:32,795 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:54:32,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:32,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:32,800 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:54:32,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-06 13:54:32,830 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 166 statements into 11 equivalence classes. [2025-02-06 13:54:32,845 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 74 of 166 statements. [2025-02-06 13:54:32,846 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-02-06 13:54:32,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:32,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 13:54:32,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:33,078 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 66 proven. 79 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2025-02-06 13:54:33,079 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:33,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:33,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267896514] [2025-02-06 13:54:33,269 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:33,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133805912] [2025-02-06 13:54:33,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133805912] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:33,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:33,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-06 13:54:33,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370013522] [2025-02-06 13:54:33,269 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:33,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:54:33,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:33,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:54:33,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:54:33,270 INFO L87 Difference]: Start difference. First operand 1025 states and 1235 transitions. Second operand has 11 states, 10 states have (on average 8.2) internal successors, (82), 11 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-06 13:54:33,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:33,943 INFO L93 Difference]: Finished difference Result 1040 states and 1252 transitions. [2025-02-06 13:54:33,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 13:54:33,943 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.2) internal successors, (82), 11 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 166 [2025-02-06 13:54:33,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:33,946 INFO L225 Difference]: With dead ends: 1040 [2025-02-06 13:54:33,946 INFO L226 Difference]: Without dead ends: 1010 [2025-02-06 13:54:33,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2025-02-06 13:54:33,947 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 223 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:33,947 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 212 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:54:33,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2025-02-06 13:54:34,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 958. [2025-02-06 13:54:34,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 805 states have (on average 1.1341614906832298) internal successors, (913), 818 states have internal predecessors, (913), 119 states have call successors, (119), 20 states have call predecessors, (119), 20 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2025-02-06 13:54:34,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1151 transitions. [2025-02-06 13:54:34,015 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1151 transitions. Word has length 166 [2025-02-06 13:54:34,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:34,016 INFO L471 AbstractCegarLoop]: Abstraction has 958 states and 1151 transitions. [2025-02-06 13:54:34,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.2) internal successors, (82), 11 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-06 13:54:34,016 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1151 transitions. [2025-02-06 13:54:34,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2025-02-06 13:54:34,017 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:34,017 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:34,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-02-06 13:54:34,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-02-06 13:54:34,221 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:34,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:34,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1265650496, now seen corresponding path program 2 times [2025-02-06 13:54:34,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:34,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511380893] [2025-02-06 13:54:34,222 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:34,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:34,228 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 215 statements into 2 equivalence classes. [2025-02-06 13:54:34,234 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 215 of 215 statements. [2025-02-06 13:54:34,234 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:34,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:34,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2025-02-06 13:54:34,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:34,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511380893] [2025-02-06 13:54:34,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511380893] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:54:34,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:54:34,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-02-06 13:54:34,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414461304] [2025-02-06 13:54:34,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:54:34,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:54:34,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:34,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:54:34,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:54:34,394 INFO L87 Difference]: Start difference. First operand 958 states and 1151 transitions. Second operand has 9 states, 8 states have (on average 14.125) internal successors, (113), 9 states have internal predecessors, (113), 6 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2025-02-06 13:54:34,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:34,820 INFO L93 Difference]: Finished difference Result 1197 states and 1435 transitions. [2025-02-06 13:54:34,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 13:54:34,820 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.125) internal successors, (113), 9 states have internal predecessors, (113), 6 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) Word has length 215 [2025-02-06 13:54:34,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:34,823 INFO L225 Difference]: With dead ends: 1197 [2025-02-06 13:54:34,823 INFO L226 Difference]: Without dead ends: 1196 [2025-02-06 13:54:34,823 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:54:34,824 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 263 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:34,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 416 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:54:34,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2025-02-06 13:54:34,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 957. [2025-02-06 13:54:34,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 957 states, 805 states have (on average 1.1229813664596273) internal successors, (904), 817 states have internal predecessors, (904), 119 states have call successors, (119), 20 states have call predecessors, (119), 20 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2025-02-06 13:54:34,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1142 transitions. [2025-02-06 13:54:34,895 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1142 transitions. Word has length 215 [2025-02-06 13:54:34,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:34,896 INFO L471 AbstractCegarLoop]: Abstraction has 957 states and 1142 transitions. [2025-02-06 13:54:34,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.125) internal successors, (113), 9 states have internal predecessors, (113), 6 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2025-02-06 13:54:34,896 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1142 transitions. [2025-02-06 13:54:34,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2025-02-06 13:54:34,898 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:34,898 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-02-06 13:54:34,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2025-02-06 13:54:34,898 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:34,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:34,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1034558371, now seen corresponding path program 1 times [2025-02-06 13:54:34,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:34,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090865991] [2025-02-06 13:54:34,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:34,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:34,904 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 233 statements into 1 equivalence classes. [2025-02-06 13:54:34,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 233 of 233 statements. [2025-02-06 13:54:34,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:34,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:35,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-02-06 13:54:35,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:35,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090865991] [2025-02-06 13:54:35,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090865991] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:35,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442463192] [2025-02-06 13:54:35,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:35,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:35,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:35,060 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:54:35,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-06 13:54:35,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 233 statements into 1 equivalence classes. [2025-02-06 13:54:35,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 233 of 233 statements. [2025-02-06 13:54:35,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:35,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:35,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:54:35,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:35,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 579 proven. 48 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2025-02-06 13:54:35,241 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:35,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 131 proven. 48 refuted. 0 times theorem prover too weak. 949 trivial. 0 not checked. [2025-02-06 13:54:35,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442463192] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:35,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:54:35,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2025-02-06 13:54:35,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956397932] [2025-02-06 13:54:35,401 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:35,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-06 13:54:35,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:35,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-06 13:54:35,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2025-02-06 13:54:35,402 INFO L87 Difference]: Start difference. First operand 957 states and 1142 transitions. Second operand has 15 states, 15 states have (on average 15.466666666666667) internal successors, (232), 15 states have internal predecessors, (232), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) [2025-02-06 13:54:36,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:36,661 INFO L93 Difference]: Finished difference Result 1627 states and 1972 transitions. [2025-02-06 13:54:36,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-02-06 13:54:36,665 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 15.466666666666667) internal successors, (232), 15 states have internal predecessors, (232), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) Word has length 233 [2025-02-06 13:54:36,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:36,667 INFO L225 Difference]: With dead ends: 1627 [2025-02-06 13:54:36,667 INFO L226 Difference]: Without dead ends: 1022 [2025-02-06 13:54:36,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 458 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=687, Unknown=0, NotChecked=0, Total=870 [2025-02-06 13:54:36,668 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 278 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:36,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 783 Invalid, 1256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1210 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-06 13:54:36,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2025-02-06 13:54:36,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 954. [2025-02-06 13:54:36,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 805 states have (on average 1.137888198757764) internal successors, (916), 817 states have internal predecessors, (916), 120 states have call successors, (120), 16 states have call predecessors, (120), 16 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2025-02-06 13:54:36,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1156 transitions. [2025-02-06 13:54:36,741 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1156 transitions. Word has length 233 [2025-02-06 13:54:36,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:36,741 INFO L471 AbstractCegarLoop]: Abstraction has 954 states and 1156 transitions. [2025-02-06 13:54:36,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 15.466666666666667) internal successors, (232), 15 states have internal predecessors, (232), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) [2025-02-06 13:54:36,741 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1156 transitions. [2025-02-06 13:54:36,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2025-02-06 13:54:36,742 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:36,742 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-02-06 13:54:36,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-02-06 13:54:36,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-02-06 13:54:36,943 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:36,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:36,944 INFO L85 PathProgramCache]: Analyzing trace with hash -410867939, now seen corresponding path program 2 times [2025-02-06 13:54:36,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:36,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033560776] [2025-02-06 13:54:36,944 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:36,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:36,949 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 233 statements into 2 equivalence classes. [2025-02-06 13:54:36,958 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 233 of 233 statements. [2025-02-06 13:54:36,958 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:36,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-02-06 13:54:37,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:37,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033560776] [2025-02-06 13:54:37,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033560776] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:37,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536497549] [2025-02-06 13:54:37,098 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:37,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:37,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:37,102 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:54:37,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-02-06 13:54:37,136 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 233 statements into 2 equivalence classes. [2025-02-06 13:54:37,172 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 233 of 233 statements. [2025-02-06 13:54:37,173 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:37,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:37,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:54:37,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:37,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-02-06 13:54:37,479 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:37,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-02-06 13:54:37,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536497549] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:37,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:54:37,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2025-02-06 13:54:37,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777751038] [2025-02-06 13:54:37,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:37,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-06 13:54:37,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:37,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-06 13:54:37,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=291, Unknown=0, NotChecked=0, Total=462 [2025-02-06 13:54:37,743 INFO L87 Difference]: Start difference. First operand 954 states and 1156 transitions. Second operand has 22 states, 21 states have (on average 16.952380952380953) internal successors, (356), 22 states have internal predecessors, (356), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2025-02-06 13:54:38,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:38,748 INFO L93 Difference]: Finished difference Result 2306 states and 2892 transitions. [2025-02-06 13:54:38,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-02-06 13:54:38,749 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 16.952380952380953) internal successors, (356), 22 states have internal predecessors, (356), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) Word has length 233 [2025-02-06 13:54:38,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:38,753 INFO L225 Difference]: With dead ends: 2306 [2025-02-06 13:54:38,753 INFO L226 Difference]: Without dead ends: 2305 [2025-02-06 13:54:38,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=587, Invalid=973, Unknown=0, NotChecked=0, Total=1560 [2025-02-06 13:54:38,754 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 1357 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1371 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:38,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1371 Valid, 654 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:54:38,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2305 states. [2025-02-06 13:54:38,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2305 to 1571. [2025-02-06 13:54:38,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1571 states, 1339 states have (on average 1.152352501867065) internal successors, (1543), 1351 states have internal predecessors, (1543), 203 states have call successors, (203), 16 states have call predecessors, (203), 16 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2025-02-06 13:54:38,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 1949 transitions. [2025-02-06 13:54:38,908 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 1949 transitions. Word has length 233 [2025-02-06 13:54:38,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:38,909 INFO L471 AbstractCegarLoop]: Abstraction has 1571 states and 1949 transitions. [2025-02-06 13:54:38,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 16.952380952380953) internal successors, (356), 22 states have internal predecessors, (356), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2025-02-06 13:54:38,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 1949 transitions. [2025-02-06 13:54:38,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2025-02-06 13:54:38,910 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:38,910 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:38,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-02-06 13:54:39,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2025-02-06 13:54:39,111 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:39,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:39,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1449948824, now seen corresponding path program 1 times [2025-02-06 13:54:39,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:39,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255750682] [2025-02-06 13:54:39,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:39,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:39,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 239 statements into 1 equivalence classes. [2025-02-06 13:54:39,139 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 239 of 239 statements. [2025-02-06 13:54:39,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:39,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:39,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-02-06 13:54:39,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:39,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255750682] [2025-02-06 13:54:39,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255750682] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:39,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941322967] [2025-02-06 13:54:39,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:39,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:39,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:39,395 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:54:39,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-02-06 13:54:39,426 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 239 statements into 1 equivalence classes. [2025-02-06 13:54:39,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 239 of 239 statements. [2025-02-06 13:54:39,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:39,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:39,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-06 13:54:39,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:39,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 1032 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2025-02-06 13:54:39,671 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:40,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-02-06 13:54:40,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941322967] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:40,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:54:40,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 18] total 34 [2025-02-06 13:54:40,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125219141] [2025-02-06 13:54:40,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:40,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-02-06 13:54:40,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:40,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-02-06 13:54:40,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=877, Unknown=0, NotChecked=0, Total=1122 [2025-02-06 13:54:40,046 INFO L87 Difference]: Start difference. First operand 1571 states and 1949 transitions. Second operand has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) [2025-02-06 13:54:40,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:40,817 INFO L93 Difference]: Finished difference Result 2410 states and 2946 transitions. [2025-02-06 13:54:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-02-06 13:54:40,817 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) Word has length 239 [2025-02-06 13:54:40,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:40,826 INFO L225 Difference]: With dead ends: 2410 [2025-02-06 13:54:40,826 INFO L226 Difference]: Without dead ends: 1695 [2025-02-06 13:54:40,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1121 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1108, Invalid=3722, Unknown=0, NotChecked=0, Total=4830 [2025-02-06 13:54:40,832 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 394 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:40,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 806 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:54:40,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1695 states. [2025-02-06 13:54:40,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1695 to 1556. [2025-02-06 13:54:40,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1311 states have (on average 1.1273836765827612) internal successors, (1478), 1327 states have internal predecessors, (1478), 200 states have call successors, (200), 32 states have call predecessors, (200), 32 states have return successors, (200), 196 states have call predecessors, (200), 200 states have call successors, (200) [2025-02-06 13:54:40,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 1878 transitions. [2025-02-06 13:54:40,986 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 1878 transitions. Word has length 239 [2025-02-06 13:54:40,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:40,986 INFO L471 AbstractCegarLoop]: Abstraction has 1556 states and 1878 transitions. [2025-02-06 13:54:40,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) [2025-02-06 13:54:40,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1878 transitions. [2025-02-06 13:54:40,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2025-02-06 13:54:40,987 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:40,988 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:40,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-02-06 13:54:41,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:41,188 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:41,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:41,189 INFO L85 PathProgramCache]: Analyzing trace with hash 2095706565, now seen corresponding path program 1 times [2025-02-06 13:54:41,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:41,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652929941] [2025-02-06 13:54:41,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:41,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:41,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 289 statements into 1 equivalence classes. [2025-02-06 13:54:41,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 289 of 289 statements. [2025-02-06 13:54:41,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:41,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:41,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 85 proven. 294 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2025-02-06 13:54:41,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:41,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652929941] [2025-02-06 13:54:41,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652929941] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:41,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161771421] [2025-02-06 13:54:41,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:41,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:41,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:41,362 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:54:41,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-02-06 13:54:41,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 289 statements into 1 equivalence classes. [2025-02-06 13:54:41,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 289 of 289 statements. [2025-02-06 13:54:41,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:41,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:41,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:54:41,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:41,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 617 proven. 187 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2025-02-06 13:54:41,630 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:41,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 177 proven. 187 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2025-02-06 13:54:41,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161771421] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:41,922 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:54:41,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 14 [2025-02-06 13:54:41,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596077886] [2025-02-06 13:54:41,922 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:41,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 13:54:41,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:41,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 13:54:41,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:54:41,931 INFO L87 Difference]: Start difference. First operand 1556 states and 1878 transitions. Second operand has 14 states, 14 states have (on average 15.714285714285714) internal successors, (220), 14 states have internal predecessors, (220), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2025-02-06 13:54:43,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:43,930 INFO L93 Difference]: Finished difference Result 3245 states and 3984 transitions. [2025-02-06 13:54:43,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-02-06 13:54:43,930 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 15.714285714285714) internal successors, (220), 14 states have internal predecessors, (220), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) Word has length 289 [2025-02-06 13:54:43,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:43,939 INFO L225 Difference]: With dead ends: 3245 [2025-02-06 13:54:43,939 INFO L226 Difference]: Without dead ends: 2205 [2025-02-06 13:54:43,941 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 573 SyntacticMatches, 6 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=191, Invalid=621, Unknown=0, NotChecked=0, Total=812 [2025-02-06 13:54:43,941 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 353 mSDsluCounter, 1203 mSDsCounter, 0 mSdLazyCounter, 2052 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 1411 SdHoareTripleChecker+Invalid, 2103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 2052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:43,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 1411 Invalid, 2103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 2052 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-02-06 13:54:43,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2205 states. [2025-02-06 13:54:44,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2205 to 1851. [2025-02-06 13:54:44,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1851 states, 1560 states have (on average 1.1256410256410256) internal successors, (1756), 1577 states have internal predecessors, (1756), 246 states have call successors, (246), 32 states have call predecessors, (246), 32 states have return successors, (246), 241 states have call predecessors, (246), 246 states have call successors, (246) [2025-02-06 13:54:44,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1851 states and 2248 transitions. [2025-02-06 13:54:44,142 INFO L78 Accepts]: Start accepts. Automaton has 1851 states and 2248 transitions. Word has length 289 [2025-02-06 13:54:44,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:44,144 INFO L471 AbstractCegarLoop]: Abstraction has 1851 states and 2248 transitions. [2025-02-06 13:54:44,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.714285714285714) internal successors, (220), 14 states have internal predecessors, (220), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2025-02-06 13:54:44,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2248 transitions. [2025-02-06 13:54:44,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2025-02-06 13:54:44,146 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:44,146 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:44,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2025-02-06 13:54:44,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:44,347 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:44,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:44,347 INFO L85 PathProgramCache]: Analyzing trace with hash -175479161, now seen corresponding path program 2 times [2025-02-06 13:54:44,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:44,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153980345] [2025-02-06 13:54:44,348 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:44,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:44,357 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 330 statements into 2 equivalence classes. [2025-02-06 13:54:44,366 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 330 of 330 statements. [2025-02-06 13:54:44,366 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:44,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:44,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2386 backedges. 100 proven. 426 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2025-02-06 13:54:44,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:44,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153980345] [2025-02-06 13:54:44,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153980345] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:44,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070210131] [2025-02-06 13:54:44,534 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:44,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:44,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:44,536 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:54:44,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-02-06 13:54:44,569 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 330 statements into 2 equivalence classes. [2025-02-06 13:54:44,613 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 330 of 330 statements. [2025-02-06 13:54:44,613 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:44,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:44,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:54:44,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:44,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2386 backedges. 220 proven. 426 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2025-02-06 13:54:44,838 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:45,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2386 backedges. 100 proven. 426 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2025-02-06 13:54:45,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070210131] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:45,119 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:54:45,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 14 [2025-02-06 13:54:45,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044858613] [2025-02-06 13:54:45,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:45,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 13:54:45,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:45,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 13:54:45,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:54:45,121 INFO L87 Difference]: Start difference. First operand 1851 states and 2248 transitions. Second operand has 14 states, 14 states have (on average 15.642857142857142) internal successors, (219), 14 states have internal predecessors, (219), 12 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-02-06 13:54:47,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:47,664 INFO L93 Difference]: Finished difference Result 3629 states and 4497 transitions. [2025-02-06 13:54:47,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-02-06 13:54:47,665 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 15.642857142857142) internal successors, (219), 14 states have internal predecessors, (219), 12 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 330 [2025-02-06 13:54:47,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:47,670 INFO L225 Difference]: With dead ends: 3629 [2025-02-06 13:54:47,670 INFO L226 Difference]: Without dead ends: 2530 [2025-02-06 13:54:47,672 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 695 GetRequests, 655 SyntacticMatches, 9 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=243, Invalid=813, Unknown=0, NotChecked=0, Total=1056 [2025-02-06 13:54:47,672 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 424 mSDsluCounter, 1427 mSDsCounter, 0 mSdLazyCounter, 2485 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 2547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 2485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:47,673 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 1666 Invalid, 2547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 2485 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-02-06 13:54:47,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2530 states. [2025-02-06 13:54:47,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2530 to 2007. [2025-02-06 13:54:47,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2007 states, 1691 states have (on average 1.1259609698403312) internal successors, (1904), 1708 states have internal predecessors, (1904), 273 states have call successors, (273), 30 states have call predecessors, (273), 30 states have return successors, (273), 268 states have call predecessors, (273), 273 states have call successors, (273) [2025-02-06 13:54:47,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2007 states to 2007 states and 2450 transitions. [2025-02-06 13:54:47,900 INFO L78 Accepts]: Start accepts. Automaton has 2007 states and 2450 transitions. Word has length 330 [2025-02-06 13:54:47,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:47,900 INFO L471 AbstractCegarLoop]: Abstraction has 2007 states and 2450 transitions. [2025-02-06 13:54:47,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.642857142857142) internal successors, (219), 14 states have internal predecessors, (219), 12 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-02-06 13:54:47,900 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 2450 transitions. [2025-02-06 13:54:47,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2025-02-06 13:54:47,902 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:47,902 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:47,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-02-06 13:54:48,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:48,107 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:54:48,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:48,107 INFO L85 PathProgramCache]: Analyzing trace with hash 174574280, now seen corresponding path program 2 times [2025-02-06 13:54:48,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:48,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039326766] [2025-02-06 13:54:48,107 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:48,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:48,114 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 330 statements into 2 equivalence classes. [2025-02-06 13:54:48,122 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 330 of 330 statements. [2025-02-06 13:54:48,122 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:48,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:48,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 0 proven. 514 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2025-02-06 13:54:48,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:48,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039326766] [2025-02-06 13:54:48,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039326766] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:48,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235170629] [2025-02-06 13:54:48,367 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:48,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:48,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:48,372 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:54:48,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-02-06 13:54:48,406 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 330 statements into 2 equivalence classes. [2025-02-06 13:54:48,448 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 330 of 330 statements. [2025-02-06 13:54:48,448 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:48,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:48,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 13:54:48,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:49,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 13 proven. 501 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2025-02-06 13:54:49,103 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:49,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 13 proven. 501 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2025-02-06 13:54:49,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235170629] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:49,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:54:49,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 35 [2025-02-06 13:54:49,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746148451] [2025-02-06 13:54:49,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:49,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-02-06 13:54:49,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:49,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-02-06 13:54:49,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1124, Unknown=0, NotChecked=0, Total=1260 [2025-02-06 13:54:49,652 INFO L87 Difference]: Start difference. First operand 2007 states and 2450 transitions. Second operand has 36 states, 35 states have (on average 14.657142857142857) internal successors, (513), 36 states have internal predecessors, (513), 28 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 28 states have call predecessors, (91), 28 states have call successors, (91) [2025-02-06 13:55:08,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:55:08,194 INFO L93 Difference]: Finished difference Result 8668 states and 11086 transitions. [2025-02-06 13:55:08,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 282 states. [2025-02-06 13:55:08,194 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 14.657142857142857) internal successors, (513), 36 states have internal predecessors, (513), 28 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 28 states have call predecessors, (91), 28 states have call successors, (91) Word has length 330 [2025-02-06 13:55:08,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:55:08,209 INFO L225 Difference]: With dead ends: 8668 [2025-02-06 13:55:08,209 INFO L226 Difference]: Without dead ends: 8666 [2025-02-06 13:55:08,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1030 GetRequests, 717 SyntacticMatches, 0 SemanticMatches, 313 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43836 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=16766, Invalid=82144, Unknown=0, NotChecked=0, Total=98910 [2025-02-06 13:55:08,216 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 8805 mSDsluCounter, 6722 mSDsCounter, 0 mSdLazyCounter, 12125 mSolverCounterSat, 1572 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8811 SdHoareTripleChecker+Valid, 6985 SdHoareTripleChecker+Invalid, 13697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1572 IncrementalHoareTripleChecker+Valid, 12125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:55:08,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8811 Valid, 6985 Invalid, 13697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1572 Valid, 12125 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2025-02-06 13:55:08,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8666 states. [2025-02-06 13:55:08,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8666 to 4093. [2025-02-06 13:55:08,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4093 states, 3499 states have (on average 1.1749071163189482) internal successors, (4111), 3516 states have internal predecessors, (4111), 551 states have call successors, (551), 30 states have call predecessors, (551), 30 states have return successors, (551), 546 states have call predecessors, (551), 551 states have call successors, (551) [2025-02-06 13:55:08,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4093 states to 4093 states and 5213 transitions. [2025-02-06 13:55:08,784 INFO L78 Accepts]: Start accepts. Automaton has 4093 states and 5213 transitions. Word has length 330 [2025-02-06 13:55:08,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:55:08,784 INFO L471 AbstractCegarLoop]: Abstraction has 4093 states and 5213 transitions. [2025-02-06 13:55:08,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 14.657142857142857) internal successors, (513), 36 states have internal predecessors, (513), 28 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 28 states have call predecessors, (91), 28 states have call successors, (91) [2025-02-06 13:55:08,785 INFO L276 IsEmpty]: Start isEmpty. Operand 4093 states and 5213 transitions. [2025-02-06 13:55:08,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2025-02-06 13:55:08,786 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:55:08,786 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:55:08,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-02-06 13:55:08,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:55:08,987 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:55:08,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:55:08,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1699148788, now seen corresponding path program 1 times [2025-02-06 13:55:08,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:55:08,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605153487] [2025-02-06 13:55:08,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:55:08,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:55:08,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 335 statements into 1 equivalence classes. [2025-02-06 13:55:09,004 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 335 of 335 statements. [2025-02-06 13:55:09,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:55:09,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:55:09,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2382 backedges. 10 proven. 512 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2025-02-06 13:55:09,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:55:09,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605153487] [2025-02-06 13:55:09,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605153487] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:55:09,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117320534] [2025-02-06 13:55:09,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:55:09,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:55:09,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:55:09,447 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:55:09,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-02-06 13:55:09,482 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 335 statements into 1 equivalence classes. [2025-02-06 13:55:09,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 335 of 335 statements. [2025-02-06 13:55:09,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:55:09,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:55:09,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 13:55:09,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:55:09,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2382 backedges. 10 proven. 2208 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2025-02-06 13:55:09,779 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:55:10,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2382 backedges. 10 proven. 512 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2025-02-06 13:55:10,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117320534] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:55:10,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:55:10,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 22] total 42 [2025-02-06 13:55:10,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295568808] [2025-02-06 13:55:10,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:55:10,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-02-06 13:55:10,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:55:10,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-02-06 13:55:10,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=1325, Unknown=0, NotChecked=0, Total=1722 [2025-02-06 13:55:10,321 INFO L87 Difference]: Start difference. First operand 4093 states and 5213 transitions. Second operand has 42 states, 42 states have (on average 9.119047619047619) internal successors, (383), 42 states have internal predecessors, (383), 18 states have call successors, (93), 10 states have call predecessors, (93), 10 states have return successors, (93), 18 states have call predecessors, (93), 18 states have call successors, (93) [2025-02-06 13:55:12,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:55:12,039 INFO L93 Difference]: Finished difference Result 7948 states and 10183 transitions. [2025-02-06 13:55:12,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-02-06 13:55:12,040 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 9.119047619047619) internal successors, (383), 42 states have internal predecessors, (383), 18 states have call successors, (93), 10 states have call predecessors, (93), 10 states have return successors, (93), 18 states have call predecessors, (93), 18 states have call successors, (93) Word has length 335 [2025-02-06 13:55:12,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:55:12,051 INFO L225 Difference]: With dead ends: 7948 [2025-02-06 13:55:12,051 INFO L226 Difference]: Without dead ends: 5030 [2025-02-06 13:55:12,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 740 GetRequests, 650 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2047 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1998, Invalid=6374, Unknown=0, NotChecked=0, Total=8372 [2025-02-06 13:55:12,057 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 468 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:55:12,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 1181 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:55:12,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5030 states. [2025-02-06 13:55:12,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5030 to 4870. [2025-02-06 13:55:12,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4870 states, 4145 states have (on average 1.153437876960193) internal successors, (4781), 4162 states have internal predecessors, (4781), 663 states have call successors, (663), 49 states have call predecessors, (663), 49 states have return successors, (663), 658 states have call predecessors, (663), 663 states have call successors, (663) [2025-02-06 13:55:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4870 states to 4870 states and 6107 transitions. [2025-02-06 13:55:12,899 INFO L78 Accepts]: Start accepts. Automaton has 4870 states and 6107 transitions. Word has length 335 [2025-02-06 13:55:12,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:55:12,899 INFO L471 AbstractCegarLoop]: Abstraction has 4870 states and 6107 transitions. [2025-02-06 13:55:12,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 9.119047619047619) internal successors, (383), 42 states have internal predecessors, (383), 18 states have call successors, (93), 10 states have call predecessors, (93), 10 states have return successors, (93), 18 states have call predecessors, (93), 18 states have call successors, (93) [2025-02-06 13:55:12,899 INFO L276 IsEmpty]: Start isEmpty. Operand 4870 states and 6107 transitions. [2025-02-06 13:55:12,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2025-02-06 13:55:12,901 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:55:12,901 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 35, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:55:12,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-02-06 13:55:13,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:55:13,102 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-02-06 13:55:13,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:55:13,102 INFO L85 PathProgramCache]: Analyzing trace with hash 665760773, now seen corresponding path program 3 times [2025-02-06 13:55:13,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:55:13,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74159663] [2025-02-06 13:55:13,102 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:55:13,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:55:13,110 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 371 statements into 16 equivalence classes. [2025-02-06 13:55:13,158 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) and asserted 371 of 371 statements. [2025-02-06 13:55:13,159 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2025-02-06 13:55:13,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:55:13,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2060882059] [2025-02-06 13:55:13,160 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:55:13,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:55:13,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:55:13,169 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:55:13,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-02-06 13:55:13,219 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 371 statements into 16 equivalence classes. [2025-02-06 13:55:13,239 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 55 of 371 statements. [2025-02-06 13:55:13,239 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-06 13:55:13,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:55:13,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-06 13:55:13,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:55:13,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3078 backedges. 494 proven. 29 refuted. 0 times theorem prover too weak. 2555 trivial. 0 not checked. [2025-02-06 13:55:13,704 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:55:13,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:55:13,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74159663] [2025-02-06 13:55:13,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:55:13,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060882059] [2025-02-06 13:55:13,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060882059] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:55:13,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:55:13,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-06 13:55:13,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823771713] [2025-02-06 13:55:13,819 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:55:13,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:55:13,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:55:13,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:55:13,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:55:13,821 INFO L87 Difference]: Start difference. First operand 4870 states and 6107 transitions. Second operand has 11 states, 10 states have (on average 9.0) internal successors, (90), 11 states have internal predecessors, (90), 2 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13)