./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:18:19,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:18:19,462 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:18:19,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:18:19,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:18:19,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:18:19,500 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:18:19,500 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:18:19,501 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:18:19,501 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:18:19,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:18:19,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:18:19,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:18:19,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:18:19,502 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:18:19,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:18:19,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:18:19,503 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:18:19,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:18:19,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:18:19,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:18:19,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:18:19,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:18:19,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:18:19,504 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:18:19,504 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:18:19,504 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:18:19,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:18:19,504 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:18:19,505 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:18:19,505 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:18:19,505 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:18:19,505 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:18:19,505 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:18:19,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:18:19,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:18:19,506 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:18:19,506 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:18:19,506 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:18:19,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:18:19,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:18:19,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:18:19,507 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:18:19,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:18:19,507 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:18:19,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:18:19,507 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:18:19,508 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:18:19,508 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:18:19,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:18:19,508 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 -> 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c [2025-01-10 02:18:19,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:18:19,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:18:19,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:18:19,804 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:18:19,804 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:18:19,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2025-01-10 02:18:21,068 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/995b5bac1/25e1d4edb45840909af80e54f2802357/FLAG48bb82e2c [2025-01-10 02:18:21,333 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:18:21,334 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2025-01-10 02:18:21,343 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/995b5bac1/25e1d4edb45840909af80e54f2802357/FLAG48bb82e2c [2025-01-10 02:18:21,357 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/995b5bac1/25e1d4edb45840909af80e54f2802357 [2025-01-10 02:18:21,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:18:21,362 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:18:21,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:18:21,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:18:21,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:18:21,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:18:21" (1/1) ... [2025-01-10 02:18:21,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e898122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:21, skipping insertion in model container [2025-01-10 02:18:21,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:18:21" (1/1) ... [2025-01-10 02:18:21,386 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:18:21,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:18:21,552 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:18:21,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:18:21,587 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:18:21,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:21 WrapperNode [2025-01-10 02:18:21,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:18:21,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:18:21,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:18:21,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:18:21,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:21" (1/1) ... [2025-01-10 02:18:21,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:21" (1/1) ... [2025-01-10 02:18:21,627 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2025-01-10 02:18:21,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:18:21,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:18:21,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:18:21,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:18:21,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:21" (1/1) ... [2025-01-10 02:18:21,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:21" (1/1) ... [2025-01-10 02:18:21,637 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:21" (1/1) ... [2025-01-10 02:18:21,655 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-10 02:18:21,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:21" (1/1) ... [2025-01-10 02:18:21,655 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:21" (1/1) ... [2025-01-10 02:18:21,659 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:21" (1/1) ... [2025-01-10 02:18:21,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:21" (1/1) ... [2025-01-10 02:18:21,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:21" (1/1) ... [2025-01-10 02:18:21,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:21" (1/1) ... [2025-01-10 02:18:21,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:21" (1/1) ... [2025-01-10 02:18:21,668 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:18:21,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:18:21,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:18:21,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:18:21,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:21" (1/1) ... [2025-01-10 02:18:21,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:18:21,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:21,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 02:18:21,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 02:18:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:18:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:18:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:18:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:18:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:18:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:18:21,760 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:18:21,761 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:18:22,088 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2025-01-10 02:18:22,089 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:18:22,099 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:18:22,099 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 02:18:22,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:18:22 BoogieIcfgContainer [2025-01-10 02:18:22,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:18:22,101 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:18:22,102 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:18:22,105 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:18:22,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:18:21" (1/3) ... [2025-01-10 02:18:22,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316ce471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:18:22, skipping insertion in model container [2025-01-10 02:18:22,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:21" (2/3) ... [2025-01-10 02:18:22,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316ce471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:18:22, skipping insertion in model container [2025-01-10 02:18:22,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:18:22" (3/3) ... [2025-01-10 02:18:22,108 INFO L128 eAbstractionObserver]: Analyzing ICFG prod4br-ll_unwindbound5.c [2025-01-10 02:18:22,122 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:18:22,123 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG prod4br-ll_unwindbound5.c that has 2 procedures, 111 locations, 1 initial locations, 1 loop locations, and 44 error locations. [2025-01-10 02:18:22,175 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:18:22,186 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;@4c4cf276, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:18:22,187 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2025-01-10 02:18:22,190 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 62 states have (on average 1.8387096774193548) internal successors, (114), 106 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:18:22,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 02:18:22,194 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:22,194 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 02:18:22,195 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:22,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:22,200 INFO L85 PathProgramCache]: Analyzing trace with hash 889512265, now seen corresponding path program 1 times [2025-01-10 02:18:22,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:22,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442605314] [2025-01-10 02:18:22,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:22,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:22,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 02:18:22,280 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 02:18:22,281 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:22,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:22,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:22,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:22,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442605314] [2025-01-10 02:18:22,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442605314] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:22,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:22,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:18:22,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768854978] [2025-01-10 02:18:22,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:22,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:18:22,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:22,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:18:22,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:18:22,347 INFO L87 Difference]: Start difference. First operand has 111 states, 62 states have (on average 1.8387096774193548) internal successors, (114), 106 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) 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) [2025-01-10 02:18:22,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:22,375 INFO L93 Difference]: Finished difference Result 218 states and 238 transitions. [2025-01-10 02:18:22,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:18:22,377 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 [2025-01-10 02:18:22,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:22,383 INFO L225 Difference]: With dead ends: 218 [2025-01-10 02:18:22,384 INFO L226 Difference]: Without dead ends: 104 [2025-01-10 02:18:22,388 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 [2025-01-10 02:18:22,391 INFO L435 NwaCegarLoop]: 116 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, 116 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:22,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:18:22,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-01-10 02:18:22,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2025-01-10 02:18:22,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 57 states have (on average 1.8421052631578947) internal successors, (105), 100 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:18:22,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 109 transitions. [2025-01-10 02:18:22,440 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 109 transitions. Word has length 6 [2025-01-10 02:18:22,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:22,440 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 109 transitions. [2025-01-10 02:18:22,440 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) [2025-01-10 02:18:22,440 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 109 transitions. [2025-01-10 02:18:22,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 02:18:22,441 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:22,441 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 02:18:22,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 02:18:22,441 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:22,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:22,442 INFO L85 PathProgramCache]: Analyzing trace with hash 889568326, now seen corresponding path program 1 times [2025-01-10 02:18:22,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:22,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270438121] [2025-01-10 02:18:22,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:22,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:22,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 02:18:22,459 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 02:18:22,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:22,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:22,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:22,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:22,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270438121] [2025-01-10 02:18:22,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270438121] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:22,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:22,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:18:22,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906036266] [2025-01-10 02:18:22,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:22,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:22,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:22,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:22,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:22,510 INFO L87 Difference]: Start difference. First operand 104 states and 109 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) [2025-01-10 02:18:22,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:22,565 INFO L93 Difference]: Finished difference Result 104 states and 109 transitions. [2025-01-10 02:18:22,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:22,566 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 [2025-01-10 02:18:22,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:22,567 INFO L225 Difference]: With dead ends: 104 [2025-01-10 02:18:22,567 INFO L226 Difference]: Without dead ends: 103 [2025-01-10 02:18:22,567 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 [2025-01-10 02:18:22,568 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 105 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:22,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 203 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:18:22,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2025-01-10 02:18:22,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2025-01-10 02:18:22,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.8245614035087718) internal successors, (104), 99 states have internal predecessors, (104), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:18:22,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 108 transitions. [2025-01-10 02:18:22,582 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 108 transitions. Word has length 6 [2025-01-10 02:18:22,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:22,583 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 108 transitions. [2025-01-10 02:18:22,583 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) [2025-01-10 02:18:22,583 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 108 transitions. [2025-01-10 02:18:22,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 02:18:22,583 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:22,583 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:22,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 02:18:22,583 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:22,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:22,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1806814377, now seen corresponding path program 1 times [2025-01-10 02:18:22,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:22,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94229204] [2025-01-10 02:18:22,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:22,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:22,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 02:18:22,597 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 02:18:22,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:22,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:22,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:22,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:22,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94229204] [2025-01-10 02:18:22,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94229204] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:22,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:22,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:18:22,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267658214] [2025-01-10 02:18:22,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:22,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:22,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:22,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:22,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:22,639 INFO L87 Difference]: Start difference. First operand 103 states and 108 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) [2025-01-10 02:18:22,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:22,672 INFO L93 Difference]: Finished difference Result 121 states and 126 transitions. [2025-01-10 02:18:22,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:18:22,672 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 [2025-01-10 02:18:22,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:22,675 INFO L225 Difference]: With dead ends: 121 [2025-01-10 02:18:22,675 INFO L226 Difference]: Without dead ends: 107 [2025-01-10 02:18:22,676 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 [2025-01-10 02:18:22,677 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 3 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:22,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 306 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:18:22,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2025-01-10 02:18:22,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2025-01-10 02:18:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 61 states have (on average 1.7704918032786885) internal successors, (108), 103 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:18:22,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 112 transitions. [2025-01-10 02:18:22,684 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 112 transitions. Word has length 7 [2025-01-10 02:18:22,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:22,684 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 112 transitions. [2025-01-10 02:18:22,685 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) [2025-01-10 02:18:22,685 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 112 transitions. [2025-01-10 02:18:22,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-01-10 02:18:22,685 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:22,685 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:22,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 02:18:22,685 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:22,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:22,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1181830318, now seen corresponding path program 1 times [2025-01-10 02:18:22,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:22,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460187069] [2025-01-10 02:18:22,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:22,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:22,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 02:18:22,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 02:18:22,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:22,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:22,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [651416042] [2025-01-10 02:18:22,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:22,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:22,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:22,709 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:22,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 02:18:22,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 02:18:22,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 02:18:22,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:22,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:22,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 02:18:22,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:22,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:22,928 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:22,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:22,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460187069] [2025-01-10 02:18:22,928 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:22,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651416042] [2025-01-10 02:18:22,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651416042] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:22,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:22,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:18:22,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592040812] [2025-01-10 02:18:22,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:22,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:18:22,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:22,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:18:22,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:18:22,930 INFO L87 Difference]: Start difference. First operand 107 states and 112 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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) [2025-01-10 02:18:23,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:23,283 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2025-01-10 02:18:23,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:18:23,284 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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 [2025-01-10 02:18:23,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:23,286 INFO L225 Difference]: With dead ends: 146 [2025-01-10 02:18:23,286 INFO L226 Difference]: Without dead ends: 135 [2025-01-10 02:18:23,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:18:23,287 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 160 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:23,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 154 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:18:23,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2025-01-10 02:18:23,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 130. [2025-01-10 02:18:23,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 84 states have (on average 1.6785714285714286) internal successors, (141), 124 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:18:23,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2025-01-10 02:18:23,305 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 9 [2025-01-10 02:18:23,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:23,306 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2025-01-10 02:18:23,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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) [2025-01-10 02:18:23,306 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2025-01-10 02:18:23,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-01-10 02:18:23,306 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:23,306 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:23,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 02:18:23,506 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 [2025-01-10 02:18:23,507 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:23,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:23,507 INFO L85 PathProgramCache]: Analyzing trace with hash -2017965749, now seen corresponding path program 1 times [2025-01-10 02:18:23,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:23,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158188107] [2025-01-10 02:18:23,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:23,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:23,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 02:18:23,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 02:18:23,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:23,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:23,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [335351155] [2025-01-10 02:18:23,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:23,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:23,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:23,529 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:23,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-10 02:18:23,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 02:18:23,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 02:18:23,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:23,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:23,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 02:18:23,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:23,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:23,701 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:23,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:23,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158188107] [2025-01-10 02:18:23,702 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:23,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335351155] [2025-01-10 02:18:23,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335351155] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:23,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:23,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:18:23,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162330825] [2025-01-10 02:18:23,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:23,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:18:23,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:23,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:18:23,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:18:23,704 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:24,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:24,033 INFO L93 Difference]: Finished difference Result 180 states and 220 transitions. [2025-01-10 02:18:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:18:24,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-01-10 02:18:24,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:24,035 INFO L225 Difference]: With dead ends: 180 [2025-01-10 02:18:24,035 INFO L226 Difference]: Without dead ends: 162 [2025-01-10 02:18:24,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:18:24,036 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 172 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:24,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 141 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:18:24,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2025-01-10 02:18:24,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2025-01-10 02:18:24,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 111 states have (on average 1.6126126126126126) internal successors, (179), 149 states have internal predecessors, (179), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:18:24,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 189 transitions. [2025-01-10 02:18:24,052 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 189 transitions. Word has length 10 [2025-01-10 02:18:24,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:24,052 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 189 transitions. [2025-01-10 02:18:24,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:24,052 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 189 transitions. [2025-01-10 02:18:24,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-01-10 02:18:24,052 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:24,052 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:24,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 02:18:24,253 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 [2025-01-10 02:18:24,253 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:24,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:24,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1867571280, now seen corresponding path program 1 times [2025-01-10 02:18:24,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:24,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39075335] [2025-01-10 02:18:24,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:24,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:24,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-10 02:18:24,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-10 02:18:24,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:24,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:24,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1119209630] [2025-01-10 02:18:24,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:24,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:24,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:24,281 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:24,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-10 02:18:24,309 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-10 02:18:24,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-10 02:18:24,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:24,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:24,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 02:18:24,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:24,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:24,481 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:24,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:24,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39075335] [2025-01-10 02:18:24,481 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:24,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119209630] [2025-01-10 02:18:24,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119209630] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:24,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:24,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:18:24,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235962924] [2025-01-10 02:18:24,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:24,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:18:24,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:24,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:18:24,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:18:24,483 INFO L87 Difference]: Start difference. First operand 156 states and 189 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:24,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:24,717 INFO L93 Difference]: Finished difference Result 164 states and 196 transitions. [2025-01-10 02:18:24,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:18:24,718 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 11 [2025-01-10 02:18:24,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:24,719 INFO L225 Difference]: With dead ends: 164 [2025-01-10 02:18:24,719 INFO L226 Difference]: Without dead ends: 163 [2025-01-10 02:18:24,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:18:24,719 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 144 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:24,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 161 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:18:24,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2025-01-10 02:18:24,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 156. [2025-01-10 02:18:24,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 111 states have (on average 1.6036036036036037) internal successors, (178), 149 states have internal predecessors, (178), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:18:24,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 188 transitions. [2025-01-10 02:18:24,733 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 188 transitions. Word has length 11 [2025-01-10 02:18:24,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:24,733 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 188 transitions. [2025-01-10 02:18:24,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:24,733 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 188 transitions. [2025-01-10 02:18:24,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 02:18:24,733 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:24,734 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:24,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 02:18:24,934 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 [2025-01-10 02:18:24,934 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:24,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:24,935 INFO L85 PathProgramCache]: Analyzing trace with hash 2060134893, now seen corresponding path program 1 times [2025-01-10 02:18:24,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:24,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990902892] [2025-01-10 02:18:24,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:24,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:24,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 02:18:24,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 02:18:24,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:24,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:24,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2063846396] [2025-01-10 02:18:24,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:24,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:24,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:24,956 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:24,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-10 02:18:24,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 02:18:24,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 02:18:24,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:24,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:24,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 02:18:24,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:25,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:25,103 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:25,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:25,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990902892] [2025-01-10 02:18:25,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:25,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063846396] [2025-01-10 02:18:25,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063846396] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:25,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:25,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:18:25,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107179798] [2025-01-10 02:18:25,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:25,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:18:25,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:25,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:18:25,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:18:25,107 INFO L87 Difference]: Start difference. First operand 156 states and 188 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:25,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:25,351 INFO L93 Difference]: Finished difference Result 160 states and 188 transitions. [2025-01-10 02:18:25,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:18:25,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 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 12 [2025-01-10 02:18:25,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:25,353 INFO L225 Difference]: With dead ends: 160 [2025-01-10 02:18:25,354 INFO L226 Difference]: Without dead ends: 157 [2025-01-10 02:18:25,354 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:18:25,357 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 160 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:25,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 156 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:18:25,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2025-01-10 02:18:25,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 156. [2025-01-10 02:18:25,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 111 states have (on average 1.5675675675675675) internal successors, (174), 149 states have internal predecessors, (174), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:18:25,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2025-01-10 02:18:25,374 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 12 [2025-01-10 02:18:25,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:25,375 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2025-01-10 02:18:25,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:25,375 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2025-01-10 02:18:25,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 02:18:25,375 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:25,375 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:25,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-10 02:18:25,575 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 [2025-01-10 02:18:25,576 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:25,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:25,576 INFO L85 PathProgramCache]: Analyzing trace with hash -560327694, now seen corresponding path program 1 times [2025-01-10 02:18:25,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:25,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921318264] [2025-01-10 02:18:25,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:25,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:25,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 02:18:25,586 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 02:18:25,586 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:25,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:25,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:25,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:25,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921318264] [2025-01-10 02:18:25,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921318264] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:25,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:25,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:25,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654940550] [2025-01-10 02:18:25,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:25,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:25,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:25,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:25,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:25,673 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:25,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:25,928 INFO L93 Difference]: Finished difference Result 258 states and 303 transitions. [2025-01-10 02:18:25,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:25,929 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2025-01-10 02:18:25,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:25,930 INFO L225 Difference]: With dead ends: 258 [2025-01-10 02:18:25,930 INFO L226 Difference]: Without dead ends: 257 [2025-01-10 02:18:25,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:25,932 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 95 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:25,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 158 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:18:25,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2025-01-10 02:18:25,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 180. [2025-01-10 02:18:25,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 134 states have (on average 1.5746268656716418) internal successors, (211), 172 states have internal predecessors, (211), 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) [2025-01-10 02:18:25,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 223 transitions. [2025-01-10 02:18:25,945 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 223 transitions. Word has length 13 [2025-01-10 02:18:25,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:25,945 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 223 transitions. [2025-01-10 02:18:25,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:25,945 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 223 transitions. [2025-01-10 02:18:25,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-01-10 02:18:25,946 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:25,946 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:25,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 02:18:25,946 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:25,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:25,947 INFO L85 PathProgramCache]: Analyzing trace with hash -190289265, now seen corresponding path program 1 times [2025-01-10 02:18:25,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:25,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918013524] [2025-01-10 02:18:25,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:25,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:25,952 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 02:18:25,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 02:18:25,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:25,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:26,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:26,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:26,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918013524] [2025-01-10 02:18:26,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918013524] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:26,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:26,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:26,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102294994] [2025-01-10 02:18:26,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:26,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:26,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:26,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:26,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:26,006 INFO L87 Difference]: Start difference. First operand 180 states and 223 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:26,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:26,504 INFO L93 Difference]: Finished difference Result 258 states and 301 transitions. [2025-01-10 02:18:26,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:26,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2025-01-10 02:18:26,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:26,506 INFO L225 Difference]: With dead ends: 258 [2025-01-10 02:18:26,506 INFO L226 Difference]: Without dead ends: 257 [2025-01-10 02:18:26,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:26,507 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 74 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:26,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 188 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:18:26,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2025-01-10 02:18:26,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 180. [2025-01-10 02:18:26,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 134 states have (on average 1.5597014925373134) internal successors, (209), 172 states have internal predecessors, (209), 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) [2025-01-10 02:18:26,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 221 transitions. [2025-01-10 02:18:26,517 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 221 transitions. Word has length 14 [2025-01-10 02:18:26,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:26,518 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 221 transitions. [2025-01-10 02:18:26,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:26,518 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 221 transitions. [2025-01-10 02:18:26,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-01-10 02:18:26,519 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:26,519 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:26,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-10 02:18:26,519 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:26,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:26,520 INFO L85 PathProgramCache]: Analyzing trace with hash -628649118, now seen corresponding path program 1 times [2025-01-10 02:18:26,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:26,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165389241] [2025-01-10 02:18:26,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:26,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:26,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 02:18:26,534 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 02:18:26,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:26,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:26,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:26,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:26,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165389241] [2025-01-10 02:18:26,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165389241] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:26,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:26,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:18:26,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152357771] [2025-01-10 02:18:26,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:26,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:18:26,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:26,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:18:26,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:18:26,613 INFO L87 Difference]: Start difference. First operand 180 states and 221 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2025-01-10 02:18:26,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:26,701 INFO L93 Difference]: Finished difference Result 257 states and 322 transitions. [2025-01-10 02:18:26,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:18:26,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 28 [2025-01-10 02:18:26,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:26,704 INFO L225 Difference]: With dead ends: 257 [2025-01-10 02:18:26,704 INFO L226 Difference]: Without dead ends: 255 [2025-01-10 02:18:26,705 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:18:26,705 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 56 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:26,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 159 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:18:26,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2025-01-10 02:18:26,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 229. [2025-01-10 02:18:26,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 182 states have (on average 1.6318681318681318) internal successors, (297), 220 states have internal predecessors, (297), 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) [2025-01-10 02:18:26,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 311 transitions. [2025-01-10 02:18:26,718 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 311 transitions. Word has length 28 [2025-01-10 02:18:26,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:26,718 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 311 transitions. [2025-01-10 02:18:26,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2025-01-10 02:18:26,719 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 311 transitions. [2025-01-10 02:18:26,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-01-10 02:18:26,719 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:26,719 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:26,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-10 02:18:26,719 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:26,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:26,720 INFO L85 PathProgramCache]: Analyzing trace with hash -200135375, now seen corresponding path program 1 times [2025-01-10 02:18:26,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:26,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805680584] [2025-01-10 02:18:26,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:26,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:26,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 02:18:26,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 02:18:26,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:26,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:26,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1552885369] [2025-01-10 02:18:26,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:26,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:26,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:26,761 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:26,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-10 02:18:26,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 02:18:26,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 02:18:26,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:26,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:26,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:18:26,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:26,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:26,881 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:26,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:26,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805680584] [2025-01-10 02:18:26,881 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:26,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552885369] [2025-01-10 02:18:26,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552885369] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:26,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:26,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:26,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325284015] [2025-01-10 02:18:26,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:26,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:26,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:26,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:26,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:26,883 INFO L87 Difference]: Start difference. First operand 229 states and 311 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2025-01-10 02:18:27,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:27,074 INFO L93 Difference]: Finished difference Result 280 states and 382 transitions. [2025-01-10 02:18:27,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:27,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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 28 [2025-01-10 02:18:27,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:27,076 INFO L225 Difference]: With dead ends: 280 [2025-01-10 02:18:27,076 INFO L226 Difference]: Without dead ends: 276 [2025-01-10 02:18:27,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:18:27,077 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 165 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:27,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 103 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:18:27,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-01-10 02:18:27,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 257. [2025-01-10 02:18:27,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 209 states have (on average 1.631578947368421) internal successors, (341), 247 states have internal predecessors, (341), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:18:27,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 357 transitions. [2025-01-10 02:18:27,090 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 357 transitions. Word has length 28 [2025-01-10 02:18:27,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:27,091 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 357 transitions. [2025-01-10 02:18:27,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 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) [2025-01-10 02:18:27,092 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 357 transitions. [2025-01-10 02:18:27,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-10 02:18:27,092 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:27,092 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:27,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 02:18:27,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-01-10 02:18:27,293 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:27,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:27,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1970615398, now seen corresponding path program 1 times [2025-01-10 02:18:27,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:27,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110343624] [2025-01-10 02:18:27,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:27,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:27,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 02:18:27,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 02:18:27,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:27,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:27,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:27,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:27,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110343624] [2025-01-10 02:18:27,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110343624] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:27,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:27,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:27,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692228695] [2025-01-10 02:18:27,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:27,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:27,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:27,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:27,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:27,379 INFO L87 Difference]: Start difference. First operand 257 states and 357 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2025-01-10 02:18:27,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:27,604 INFO L93 Difference]: Finished difference Result 340 states and 449 transitions. [2025-01-10 02:18:27,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:27,604 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 29 [2025-01-10 02:18:27,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:27,606 INFO L225 Difference]: With dead ends: 340 [2025-01-10 02:18:27,606 INFO L226 Difference]: Without dead ends: 339 [2025-01-10 02:18:27,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:27,607 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 63 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:27,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 226 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:18:27,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-01-10 02:18:27,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 267. [2025-01-10 02:18:27,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 219 states have (on average 1.6255707762557077) internal successors, (356), 257 states have internal predecessors, (356), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:18:27,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 372 transitions. [2025-01-10 02:18:27,621 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 372 transitions. Word has length 29 [2025-01-10 02:18:27,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:27,622 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 372 transitions. [2025-01-10 02:18:27,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2025-01-10 02:18:27,622 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 372 transitions. [2025-01-10 02:18:27,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-10 02:18:27,623 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:27,623 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:27,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-10 02:18:27,624 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:27,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:27,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1909229209, now seen corresponding path program 1 times [2025-01-10 02:18:27,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:27,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288910546] [2025-01-10 02:18:27,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:27,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:27,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 02:18:27,647 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 02:18:27,647 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:27,647 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:27,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1945018836] [2025-01-10 02:18:27,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:27,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:27,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:27,651 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:27,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-10 02:18:27,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 02:18:27,690 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 02:18:27,690 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:27,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:27,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:18:27,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:27,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:27,763 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:27,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:27,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288910546] [2025-01-10 02:18:27,763 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:27,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1945018836] [2025-01-10 02:18:27,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1945018836] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:27,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:27,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:27,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942476580] [2025-01-10 02:18:27,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:27,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:27,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:27,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:27,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:27,765 INFO L87 Difference]: Start difference. First operand 267 states and 372 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2025-01-10 02:18:27,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:27,976 INFO L93 Difference]: Finished difference Result 283 states and 379 transitions. [2025-01-10 02:18:27,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:27,977 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 29 [2025-01-10 02:18:27,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:27,978 INFO L225 Difference]: With dead ends: 283 [2025-01-10 02:18:27,978 INFO L226 Difference]: Without dead ends: 279 [2025-01-10 02:18:27,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:18:27,979 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 201 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:27,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 86 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:18:27,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2025-01-10 02:18:27,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 267. [2025-01-10 02:18:27,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 219 states have (on average 1.6027397260273972) internal successors, (351), 257 states have internal predecessors, (351), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:18:27,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 367 transitions. [2025-01-10 02:18:27,992 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 367 transitions. Word has length 29 [2025-01-10 02:18:27,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:27,993 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 367 transitions. [2025-01-10 02:18:27,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2025-01-10 02:18:27,994 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 367 transitions. [2025-01-10 02:18:27,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 02:18:27,995 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:27,995 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:28,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 02:18:28,196 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,SelfDestructingSolverStorable12 [2025-01-10 02:18:28,196 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:28,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:28,196 INFO L85 PathProgramCache]: Analyzing trace with hash 959535301, now seen corresponding path program 1 times [2025-01-10 02:18:28,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:28,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12511938] [2025-01-10 02:18:28,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:28,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:28,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:18:28,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:18:28,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:28,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:28,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:28,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:28,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12511938] [2025-01-10 02:18:28,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12511938] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:28,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:28,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:28,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197027075] [2025-01-10 02:18:28,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:28,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:28,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:28,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:28,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:28,302 INFO L87 Difference]: Start difference. First operand 267 states and 367 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2025-01-10 02:18:28,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:28,693 INFO L93 Difference]: Finished difference Result 340 states and 441 transitions. [2025-01-10 02:18:28,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:28,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 30 [2025-01-10 02:18:28,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:28,696 INFO L225 Difference]: With dead ends: 340 [2025-01-10 02:18:28,696 INFO L226 Difference]: Without dead ends: 339 [2025-01-10 02:18:28,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:28,697 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 62 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:28,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 216 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:18:28,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-01-10 02:18:28,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 269. [2025-01-10 02:18:28,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 221 states have (on average 1.5972850678733033) internal successors, (353), 259 states have internal predecessors, (353), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:18:28,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 369 transitions. [2025-01-10 02:18:28,709 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 369 transitions. Word has length 30 [2025-01-10 02:18:28,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:28,709 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 369 transitions. [2025-01-10 02:18:28,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2025-01-10 02:18:28,709 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 369 transitions. [2025-01-10 02:18:28,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 02:18:28,711 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:28,712 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:28,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-10 02:18:28,712 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:28,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:28,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1357605171, now seen corresponding path program 1 times [2025-01-10 02:18:28,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:28,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337423563] [2025-01-10 02:18:28,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:28,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:28,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:18:28,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:18:28,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:28,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:28,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:28,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:28,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337423563] [2025-01-10 02:18:28,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337423563] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:28,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:28,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 02:18:28,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311953170] [2025-01-10 02:18:28,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:28,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:18:28,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:28,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:18:28,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:18:28,839 INFO L87 Difference]: Start difference. First operand 269 states and 369 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2025-01-10 02:18:29,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:29,225 INFO L93 Difference]: Finished difference Result 381 states and 545 transitions. [2025-01-10 02:18:29,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:18:29,226 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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 30 [2025-01-10 02:18:29,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:29,228 INFO L225 Difference]: With dead ends: 381 [2025-01-10 02:18:29,229 INFO L226 Difference]: Without dead ends: 379 [2025-01-10 02:18:29,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:18:29,230 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 286 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:29,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 87 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:18:29,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-01-10 02:18:29,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 275. [2025-01-10 02:18:29,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 227 states have (on average 1.5859030837004404) internal successors, (360), 265 states have internal predecessors, (360), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:18:29,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 376 transitions. [2025-01-10 02:18:29,243 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 376 transitions. Word has length 30 [2025-01-10 02:18:29,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:29,244 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 376 transitions. [2025-01-10 02:18:29,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 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) [2025-01-10 02:18:29,244 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 376 transitions. [2025-01-10 02:18:29,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 02:18:29,246 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:29,247 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:29,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-10 02:18:29,247 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:29,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:29,248 INFO L85 PathProgramCache]: Analyzing trace with hash 943436787, now seen corresponding path program 1 times [2025-01-10 02:18:29,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:29,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076927922] [2025-01-10 02:18:29,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:29,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:29,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:18:29,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:18:29,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:29,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:29,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:29,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:29,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076927922] [2025-01-10 02:18:29,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076927922] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:29,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:29,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:29,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924194180] [2025-01-10 02:18:29,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:29,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:29,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:29,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:29,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:29,309 INFO L87 Difference]: Start difference. First operand 275 states and 376 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2025-01-10 02:18:29,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:29,473 INFO L93 Difference]: Finished difference Result 340 states and 437 transitions. [2025-01-10 02:18:29,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:29,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 30 [2025-01-10 02:18:29,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:29,475 INFO L225 Difference]: With dead ends: 340 [2025-01-10 02:18:29,476 INFO L226 Difference]: Without dead ends: 339 [2025-01-10 02:18:29,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:29,477 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 63 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:29,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 216 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:18:29,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-01-10 02:18:29,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 284. [2025-01-10 02:18:29,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 236 states have (on average 1.5847457627118644) internal successors, (374), 274 states have internal predecessors, (374), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:18:29,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 390 transitions. [2025-01-10 02:18:29,488 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 390 transitions. Word has length 30 [2025-01-10 02:18:29,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:29,489 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 390 transitions. [2025-01-10 02:18:29,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2025-01-10 02:18:29,490 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 390 transitions. [2025-01-10 02:18:29,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-01-10 02:18:29,491 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:29,491 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:29,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-01-10 02:18:29,491 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:29,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:29,492 INFO L85 PathProgramCache]: Analyzing trace with hash -863912521, now seen corresponding path program 1 times [2025-01-10 02:18:29,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:29,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812703443] [2025-01-10 02:18:29,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:29,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:29,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:18:29,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:18:29,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:29,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:29,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:29,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:29,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812703443] [2025-01-10 02:18:29,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812703443] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:29,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:29,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 02:18:29,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890838632] [2025-01-10 02:18:29,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:29,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:18:29,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:29,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:18:29,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:18:29,587 INFO L87 Difference]: Start difference. First operand 284 states and 390 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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) [2025-01-10 02:18:29,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:29,896 INFO L93 Difference]: Finished difference Result 292 states and 397 transitions. [2025-01-10 02:18:29,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:18:29,897 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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 31 [2025-01-10 02:18:29,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:29,898 INFO L225 Difference]: With dead ends: 292 [2025-01-10 02:18:29,899 INFO L226 Difference]: Without dead ends: 290 [2025-01-10 02:18:29,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:18:29,899 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 215 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:29,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 100 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:18:29,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2025-01-10 02:18:29,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 284. [2025-01-10 02:18:29,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 236 states have (on average 1.5720338983050848) internal successors, (371), 274 states have internal predecessors, (371), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:18:29,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 387 transitions. [2025-01-10 02:18:29,910 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 387 transitions. Word has length 31 [2025-01-10 02:18:29,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:29,911 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 387 transitions. [2025-01-10 02:18:29,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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) [2025-01-10 02:18:29,911 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 387 transitions. [2025-01-10 02:18:29,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-01-10 02:18:29,911 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:29,911 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:29,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-10 02:18:29,912 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:29,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:29,912 INFO L85 PathProgramCache]: Analyzing trace with hash -818230551, now seen corresponding path program 1 times [2025-01-10 02:18:29,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:29,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577574497] [2025-01-10 02:18:29,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:29,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:29,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:18:29,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:18:29,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:29,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:30,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:30,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:30,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577574497] [2025-01-10 02:18:30,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577574497] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:30,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:30,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:30,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227433452] [2025-01-10 02:18:30,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:30,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:30,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:30,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:30,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:30,031 INFO L87 Difference]: Start difference. First operand 284 states and 387 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2025-01-10 02:18:30,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:30,533 INFO L93 Difference]: Finished difference Result 340 states and 431 transitions. [2025-01-10 02:18:30,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:30,535 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), 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 31 [2025-01-10 02:18:30,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:30,537 INFO L225 Difference]: With dead ends: 340 [2025-01-10 02:18:30,537 INFO L226 Difference]: Without dead ends: 339 [2025-01-10 02:18:30,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:30,538 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 61 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:30,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 235 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:18:30,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-01-10 02:18:30,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 286. [2025-01-10 02:18:30,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 238 states have (on average 1.5672268907563025) internal successors, (373), 276 states have internal predecessors, (373), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:18:30,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 389 transitions. [2025-01-10 02:18:30,558 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 389 transitions. Word has length 31 [2025-01-10 02:18:30,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:30,558 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 389 transitions. [2025-01-10 02:18:30,559 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), 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) [2025-01-10 02:18:30,559 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 389 transitions. [2025-01-10 02:18:30,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-10 02:18:30,559 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:30,559 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:30,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-01-10 02:18:30,559 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:30,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:30,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1544856277, now seen corresponding path program 1 times [2025-01-10 02:18:30,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:30,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163079935] [2025-01-10 02:18:30,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:30,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:30,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:18:30,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:18:30,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:30,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:30,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:30,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:30,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163079935] [2025-01-10 02:18:30,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163079935] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:18:30,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994199978] [2025-01-10 02:18:30,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:30,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:30,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:30,637 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:30,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 02:18:30,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:18:30,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:18:30,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:30,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:30,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:18:30,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:30,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:30,720 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:18:30,789 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:30,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994199978] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:18:30,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:18:30,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2025-01-10 02:18:30,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393818793] [2025-01-10 02:18:30,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:18:30,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 02:18:30,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:30,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 02:18:30,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:18:30,790 INFO L87 Difference]: Start difference. First operand 286 states and 389 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:18:30,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:30,923 INFO L93 Difference]: Finished difference Result 773 states and 1048 transitions. [2025-01-10 02:18:30,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 02:18:30,924 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2025-01-10 02:18:30,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:30,928 INFO L225 Difference]: With dead ends: 773 [2025-01-10 02:18:30,928 INFO L226 Difference]: Without dead ends: 757 [2025-01-10 02:18:30,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:18:30,929 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 295 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:30,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 637 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:18:30,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2025-01-10 02:18:30,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 671. [2025-01-10 02:18:30,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 607 states have (on average 1.5897858319604612) internal successors, (965), 649 states have internal predecessors, (965), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 17 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 02:18:30,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 1007 transitions. [2025-01-10 02:18:30,961 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 1007 transitions. Word has length 32 [2025-01-10 02:18:30,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:30,961 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 1007 transitions. [2025-01-10 02:18:30,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:18:30,962 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1007 transitions. [2025-01-10 02:18:30,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-01-10 02:18:30,962 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:30,962 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:30,971 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 [2025-01-10 02:18:31,163 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 [2025-01-10 02:18:31,163 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:31,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:31,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1451800614, now seen corresponding path program 1 times [2025-01-10 02:18:31,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:31,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167373085] [2025-01-10 02:18:31,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:31,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:31,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 02:18:31,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:18:31,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:31,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:31,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [199098643] [2025-01-10 02:18:31,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:31,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:31,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:31,190 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:31,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 02:18:31,217 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 02:18:31,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:18:31,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:31,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:31,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 02:18:31,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:31,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:31,701 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:18:32,915 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:32,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:32,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167373085] [2025-01-10 02:18:32,916 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:32,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199098643] [2025-01-10 02:18:32,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199098643] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:18:32,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:18:32,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2025-01-10 02:18:32,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49691952] [2025-01-10 02:18:32,916 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:18:32,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 02:18:32,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:32,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 02:18:32,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:18:32,918 INFO L87 Difference]: Start difference. First operand 671 states and 1007 transitions. Second operand has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:18:39,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-01-10 02:18:39,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:39,573 INFO L93 Difference]: Finished difference Result 1198 states and 1822 transitions. [2025-01-10 02:18:39,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-10 02:18:39,574 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2025-01-10 02:18:39,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:39,595 INFO L225 Difference]: With dead ends: 1198 [2025-01-10 02:18:39,595 INFO L226 Difference]: Without dead ends: 1154 [2025-01-10 02:18:39,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=322, Invalid=670, Unknown=0, NotChecked=0, Total=992 [2025-01-10 02:18:39,598 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 613 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 102 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:39,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 177 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 916 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2025-01-10 02:18:39,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2025-01-10 02:18:39,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 822. [2025-01-10 02:18:39,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 756 states have (on average 1.5145502645502646) internal successors, (1145), 796 states have internal predecessors, (1145), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 21 states have call predecessors, (24), 24 states have call successors, (24) [2025-01-10 02:18:39,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1193 transitions. [2025-01-10 02:18:39,664 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1193 transitions. Word has length 34 [2025-01-10 02:18:39,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:39,664 INFO L471 AbstractCegarLoop]: Abstraction has 822 states and 1193 transitions. [2025-01-10 02:18:39,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:18:39,665 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1193 transitions. [2025-01-10 02:18:39,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-01-10 02:18:39,665 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:39,665 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:39,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-10 02:18:39,870 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 [2025-01-10 02:18:39,870 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:39,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:39,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1373736393, now seen corresponding path program 1 times [2025-01-10 02:18:39,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:39,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339631897] [2025-01-10 02:18:39,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:39,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:39,875 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 02:18:39,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:18:39,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:39,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:39,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1445886119] [2025-01-10 02:18:39,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:39,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:39,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:39,898 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:39,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-10 02:18:39,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 02:18:39,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:18:39,934 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:39,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:39,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:18:39,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:40,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:40,104 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:40,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:40,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339631897] [2025-01-10 02:18:40,105 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:40,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445886119] [2025-01-10 02:18:40,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445886119] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:40,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:40,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 02:18:40,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022418463] [2025-01-10 02:18:40,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:40,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:18:40,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:40,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:18:40,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:18:40,107 INFO L87 Difference]: Start difference. First operand 822 states and 1193 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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) [2025-01-10 02:18:40,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:40,583 INFO L93 Difference]: Finished difference Result 967 states and 1411 transitions. [2025-01-10 02:18:40,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:18:40,584 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 34 [2025-01-10 02:18:40,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:40,588 INFO L225 Difference]: With dead ends: 967 [2025-01-10 02:18:40,588 INFO L226 Difference]: Without dead ends: 960 [2025-01-10 02:18:40,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:18:40,590 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 239 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:40,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 104 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:18:40,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2025-01-10 02:18:40,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 823. [2025-01-10 02:18:40,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 758 states have (on average 1.4973614775725594) internal successors, (1135), 798 states have internal predecessors, (1135), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 20 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 02:18:40,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1181 transitions. [2025-01-10 02:18:40,640 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1181 transitions. Word has length 34 [2025-01-10 02:18:40,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:40,640 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 1181 transitions. [2025-01-10 02:18:40,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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) [2025-01-10 02:18:40,640 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1181 transitions. [2025-01-10 02:18:40,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-01-10 02:18:40,641 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:40,641 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:40,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-10 02:18:40,845 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 [2025-01-10 02:18:40,845 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:40,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:40,846 INFO L85 PathProgramCache]: Analyzing trace with hash -2056146017, now seen corresponding path program 1 times [2025-01-10 02:18:40,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:40,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394277596] [2025-01-10 02:18:40,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:40,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:40,852 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 02:18:40,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 02:18:40,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:40,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:40,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [344375446] [2025-01-10 02:18:40,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:40,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:40,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:40,869 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:40,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-10 02:18:40,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 02:18:40,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 02:18:40,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:40,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:40,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 02:18:40,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:41,302 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:41,302 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:18:42,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:42,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:42,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394277596] [2025-01-10 02:18:42,716 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:42,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344375446] [2025-01-10 02:18:42,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344375446] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:18:42,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:18:42,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2025-01-10 02:18:42,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092116002] [2025-01-10 02:18:42,716 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:18:42,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 02:18:42,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:42,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 02:18:42,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:18:42,717 INFO L87 Difference]: Start difference. First operand 823 states and 1181 transitions. Second operand has 15 states, 14 states have (on average 4.428571428571429) internal successors, (62), 15 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:18:45,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:45,715 INFO L93 Difference]: Finished difference Result 1218 states and 1780 transitions. [2025-01-10 02:18:45,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-10 02:18:45,716 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.428571428571429) internal successors, (62), 15 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 35 [2025-01-10 02:18:45,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:45,720 INFO L225 Difference]: With dead ends: 1218 [2025-01-10 02:18:45,720 INFO L226 Difference]: Without dead ends: 1178 [2025-01-10 02:18:45,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=283, Invalid=587, Unknown=0, NotChecked=0, Total=870 [2025-01-10 02:18:45,722 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 657 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:45,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 151 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2025-01-10 02:18:45,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2025-01-10 02:18:45,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 888. [2025-01-10 02:18:45,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 824 states have (on average 1.4575242718446602) internal successors, (1201), 863 states have internal predecessors, (1201), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:18:45,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1245 transitions. [2025-01-10 02:18:45,793 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1245 transitions. Word has length 35 [2025-01-10 02:18:45,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:45,793 INFO L471 AbstractCegarLoop]: Abstraction has 888 states and 1245 transitions. [2025-01-10 02:18:45,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.428571428571429) internal successors, (62), 15 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:18:45,794 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1245 transitions. [2025-01-10 02:18:45,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-01-10 02:18:45,794 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:45,794 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:45,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-10 02:18:45,995 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 [2025-01-10 02:18:45,995 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:45,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:45,996 INFO L85 PathProgramCache]: Analyzing trace with hash 363844923, now seen corresponding path program 1 times [2025-01-10 02:18:45,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:45,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696163694] [2025-01-10 02:18:45,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:45,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:45,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 02:18:46,013 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 02:18:46,013 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:46,013 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:46,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1884321368] [2025-01-10 02:18:46,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:46,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:46,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:46,021 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:46,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-10 02:18:46,047 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 02:18:46,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 02:18:46,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:46,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:46,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:18:46,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:46,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:46,205 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:46,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:46,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696163694] [2025-01-10 02:18:46,205 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:46,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884321368] [2025-01-10 02:18:46,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884321368] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:46,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:46,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 02:18:46,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654326505] [2025-01-10 02:18:46,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:46,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:18:46,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:46,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:18:46,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:18:46,206 INFO L87 Difference]: Start difference. First operand 888 states and 1245 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (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) [2025-01-10 02:18:46,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:46,568 INFO L93 Difference]: Finished difference Result 903 states and 1257 transitions. [2025-01-10 02:18:46,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:18:46,569 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2025-01-10 02:18:46,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:46,572 INFO L225 Difference]: With dead ends: 903 [2025-01-10 02:18:46,572 INFO L226 Difference]: Without dead ends: 898 [2025-01-10 02:18:46,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:18:46,573 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 244 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:46,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 90 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:18:46,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2025-01-10 02:18:46,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 882. [2025-01-10 02:18:46,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 882 states, 818 states have (on average 1.4327628361858191) internal successors, (1172), 857 states have internal predecessors, (1172), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:18:46,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1216 transitions. [2025-01-10 02:18:46,628 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1216 transitions. Word has length 35 [2025-01-10 02:18:46,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:46,628 INFO L471 AbstractCegarLoop]: Abstraction has 882 states and 1216 transitions. [2025-01-10 02:18:46,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (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) [2025-01-10 02:18:46,629 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1216 transitions. [2025-01-10 02:18:46,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-01-10 02:18:46,629 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:46,629 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:46,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-01-10 02:18:46,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-01-10 02:18:46,834 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:46,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:46,835 INFO L85 PathProgramCache]: Analyzing trace with hash 683982972, now seen corresponding path program 1 times [2025-01-10 02:18:46,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:46,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570579669] [2025-01-10 02:18:46,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:46,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:46,841 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-10 02:18:46,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 02:18:46,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:46,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:46,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [859116778] [2025-01-10 02:18:46,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:46,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:46,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:46,858 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:46,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-10 02:18:46,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-10 02:18:46,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 02:18:46,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:46,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:46,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 02:18:46,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:47,239 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:47,240 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:18:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:48,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:48,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570579669] [2025-01-10 02:18:48,500 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:48,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859116778] [2025-01-10 02:18:48,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859116778] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:18:48,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:18:48,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2025-01-10 02:18:48,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438742816] [2025-01-10 02:18:48,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:48,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:18:48,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:48,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:18:48,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:18:48,501 INFO L87 Difference]: Start difference. First operand 882 states and 1216 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 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) [2025-01-10 02:18:49,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:49,162 INFO L93 Difference]: Finished difference Result 901 states and 1236 transitions. [2025-01-10 02:18:49,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:18:49,163 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 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 36 [2025-01-10 02:18:49,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:49,165 INFO L225 Difference]: With dead ends: 901 [2025-01-10 02:18:49,165 INFO L226 Difference]: Without dead ends: 900 [2025-01-10 02:18:49,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:18:49,166 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 42 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:49,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 93 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 02:18:49,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2025-01-10 02:18:49,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 899. [2025-01-10 02:18:49,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 835 states have (on average 1.4191616766467066) internal successors, (1185), 874 states have internal predecessors, (1185), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:18:49,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1229 transitions. [2025-01-10 02:18:49,223 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1229 transitions. Word has length 36 [2025-01-10 02:18:49,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:49,223 INFO L471 AbstractCegarLoop]: Abstraction has 899 states and 1229 transitions. [2025-01-10 02:18:49,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 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) [2025-01-10 02:18:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1229 transitions. [2025-01-10 02:18:49,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-01-10 02:18:49,224 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:49,224 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:49,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-10 02:18:49,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:49,428 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:49,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:49,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1605709127, now seen corresponding path program 1 times [2025-01-10 02:18:49,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:49,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218839760] [2025-01-10 02:18:49,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:49,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:49,437 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-10 02:18:49,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 02:18:49,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:49,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:49,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:49,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:49,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218839760] [2025-01-10 02:18:49,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218839760] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:49,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:49,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:49,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252010409] [2025-01-10 02:18:49,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:49,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:49,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:49,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:49,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:49,533 INFO L87 Difference]: Start difference. First operand 899 states and 1229 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2025-01-10 02:18:49,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:49,817 INFO L93 Difference]: Finished difference Result 939 states and 1271 transitions. [2025-01-10 02:18:49,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:49,818 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), 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 36 [2025-01-10 02:18:49,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:49,820 INFO L225 Difference]: With dead ends: 939 [2025-01-10 02:18:49,820 INFO L226 Difference]: Without dead ends: 938 [2025-01-10 02:18:49,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:49,820 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 35 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:49,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 193 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:18:49,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2025-01-10 02:18:49,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 921. [2025-01-10 02:18:49,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 857 states have (on average 1.4224037339556592) internal successors, (1219), 896 states have internal predecessors, (1219), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:18:49,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1263 transitions. [2025-01-10 02:18:49,876 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1263 transitions. Word has length 36 [2025-01-10 02:18:49,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:49,877 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1263 transitions. [2025-01-10 02:18:49,877 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), 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) [2025-01-10 02:18:49,877 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1263 transitions. [2025-01-10 02:18:49,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-01-10 02:18:49,877 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:49,877 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:49,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-01-10 02:18:49,877 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:49,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:49,878 INFO L85 PathProgramCache]: Analyzing trace with hash -271364287, now seen corresponding path program 1 times [2025-01-10 02:18:49,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:49,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412173612] [2025-01-10 02:18:49,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:49,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:49,882 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:18:49,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:18:49,896 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:49,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:49,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1997834948] [2025-01-10 02:18:49,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:49,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:49,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:49,900 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:49,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-10 02:18:49,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:18:49,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:18:49,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:49,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:49,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 02:18:49,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:50,171 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:50,171 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:18:51,452 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:51,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:51,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412173612] [2025-01-10 02:18:51,452 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:51,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997834948] [2025-01-10 02:18:51,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997834948] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:18:51,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:18:51,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2025-01-10 02:18:51,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702414711] [2025-01-10 02:18:51,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:51,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:18:51,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:51,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:18:51,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:18:51,454 INFO L87 Difference]: Start difference. First operand 921 states and 1263 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 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) [2025-01-10 02:18:52,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:52,552 INFO L93 Difference]: Finished difference Result 925 states and 1267 transitions. [2025-01-10 02:18:52,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:18:52,553 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 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 37 [2025-01-10 02:18:52,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:52,557 INFO L225 Difference]: With dead ends: 925 [2025-01-10 02:18:52,557 INFO L226 Difference]: Without dead ends: 924 [2025-01-10 02:18:52,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:18:52,558 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 40 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:52,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 102 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-01-10 02:18:52,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2025-01-10 02:18:52,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 923. [2025-01-10 02:18:52,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 859 states have (on average 1.4155995343422585) internal successors, (1216), 898 states have internal predecessors, (1216), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:18:52,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1260 transitions. [2025-01-10 02:18:52,634 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1260 transitions. Word has length 37 [2025-01-10 02:18:52,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:52,634 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1260 transitions. [2025-01-10 02:18:52,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 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) [2025-01-10 02:18:52,635 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1260 transitions. [2025-01-10 02:18:52,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-01-10 02:18:52,635 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:52,635 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:52,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-10 02:18:52,835 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 [2025-01-10 02:18:52,836 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:52,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:52,836 INFO L85 PathProgramCache]: Analyzing trace with hash -947447729, now seen corresponding path program 1 times [2025-01-10 02:18:52,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:52,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197770991] [2025-01-10 02:18:52,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:52,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:52,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:18:52,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:18:52,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:52,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:52,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [963313110] [2025-01-10 02:18:52,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:52,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:52,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:52,858 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:52,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-10 02:18:52,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:18:52,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:18:52,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:52,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:52,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:18:52,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:53,033 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:53,033 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:53,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:53,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197770991] [2025-01-10 02:18:53,033 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:53,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963313110] [2025-01-10 02:18:53,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963313110] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:53,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:53,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-10 02:18:53,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190852472] [2025-01-10 02:18:53,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:53,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:18:53,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:53,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:18:53,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:18:53,035 INFO L87 Difference]: Start difference. First operand 923 states and 1260 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 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) [2025-01-10 02:18:53,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:53,333 INFO L93 Difference]: Finished difference Result 931 states and 1266 transitions. [2025-01-10 02:18:53,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 02:18:53,333 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 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 37 [2025-01-10 02:18:53,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:53,336 INFO L225 Difference]: With dead ends: 931 [2025-01-10 02:18:53,336 INFO L226 Difference]: Without dead ends: 930 [2025-01-10 02:18:53,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:18:53,337 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 166 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:53,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 196 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:18:53,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2025-01-10 02:18:53,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 923. [2025-01-10 02:18:53,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 859 states have (on average 1.4121071012805588) internal successors, (1213), 898 states have internal predecessors, (1213), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:18:53,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1257 transitions. [2025-01-10 02:18:53,399 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1257 transitions. Word has length 37 [2025-01-10 02:18:53,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:53,399 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1257 transitions. [2025-01-10 02:18:53,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 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) [2025-01-10 02:18:53,399 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1257 transitions. [2025-01-10 02:18:53,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-01-10 02:18:53,400 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:53,400 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:53,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-10 02:18:53,600 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 [2025-01-10 02:18:53,600 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:53,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:53,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1762624765, now seen corresponding path program 1 times [2025-01-10 02:18:53,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:53,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708742552] [2025-01-10 02:18:53,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:53,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:53,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:18:53,610 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:18:53,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:53,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:53,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:53,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:53,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708742552] [2025-01-10 02:18:53,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708742552] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:53,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:53,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:53,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534579303] [2025-01-10 02:18:53,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:53,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:53,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:53,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:53,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:53,669 INFO L87 Difference]: Start difference. First operand 923 states and 1257 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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) [2025-01-10 02:18:53,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:53,996 INFO L93 Difference]: Finished difference Result 940 states and 1261 transitions. [2025-01-10 02:18:53,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:53,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 37 [2025-01-10 02:18:53,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:53,999 INFO L225 Difference]: With dead ends: 940 [2025-01-10 02:18:53,999 INFO L226 Difference]: Without dead ends: 939 [2025-01-10 02:18:53,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:54,000 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 33 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:54,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 196 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:18:54,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2025-01-10 02:18:54,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 925. [2025-01-10 02:18:54,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 861 states have (on average 1.4088269454123112) internal successors, (1213), 900 states have internal predecessors, (1213), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:18:54,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1257 transitions. [2025-01-10 02:18:54,063 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1257 transitions. Word has length 37 [2025-01-10 02:18:54,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:54,063 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1257 transitions. [2025-01-10 02:18:54,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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) [2025-01-10 02:18:54,063 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1257 transitions. [2025-01-10 02:18:54,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 02:18:54,063 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:54,063 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:54,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-01-10 02:18:54,064 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:54,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:54,065 INFO L85 PathProgramCache]: Analyzing trace with hash -419187285, now seen corresponding path program 1 times [2025-01-10 02:18:54,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:54,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913196159] [2025-01-10 02:18:54,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:54,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:54,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:18:54,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:18:54,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:54,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:54,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [784927232] [2025-01-10 02:18:54,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:54,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:54,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:54,084 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:54,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-10 02:18:54,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:18:54,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:18:54,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:54,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:54,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 02:18:54,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:54,811 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:54,811 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:18:55,240 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:55,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:55,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913196159] [2025-01-10 02:18:55,240 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:55,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784927232] [2025-01-10 02:18:55,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784927232] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:18:55,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:18:55,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2025-01-10 02:18:55,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465003060] [2025-01-10 02:18:55,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:55,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:18:55,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:55,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:18:55,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:18:55,241 INFO L87 Difference]: Start difference. First operand 925 states and 1257 transitions. Second operand has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 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) [2025-01-10 02:18:56,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:56,401 INFO L93 Difference]: Finished difference Result 950 states and 1287 transitions. [2025-01-10 02:18:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:18:56,401 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 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 38 [2025-01-10 02:18:56,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:56,403 INFO L225 Difference]: With dead ends: 950 [2025-01-10 02:18:56,403 INFO L226 Difference]: Without dead ends: 949 [2025-01-10 02:18:56,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:18:56,404 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 29 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:56,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 143 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-01-10 02:18:56,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2025-01-10 02:18:56,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 948. [2025-01-10 02:18:56,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 884 states have (on average 1.3993212669683257) internal successors, (1237), 923 states have internal predecessors, (1237), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:18:56,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1281 transitions. [2025-01-10 02:18:56,458 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1281 transitions. Word has length 38 [2025-01-10 02:18:56,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:56,459 INFO L471 AbstractCegarLoop]: Abstraction has 948 states and 1281 transitions. [2025-01-10 02:18:56,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 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) [2025-01-10 02:18:56,459 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1281 transitions. [2025-01-10 02:18:56,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 02:18:56,459 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:56,459 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:56,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-10 02:18:56,663 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,SelfDestructingSolverStorable28 [2025-01-10 02:18:56,663 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:56,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:56,663 INFO L85 PathProgramCache]: Analyzing trace with hash 35801137, now seen corresponding path program 1 times [2025-01-10 02:18:56,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:56,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66504659] [2025-01-10 02:18:56,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:56,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:56,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:18:56,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:18:56,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:56,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:56,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1651917543] [2025-01-10 02:18:56,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:56,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:56,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:56,677 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:56,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-10 02:18:56,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:18:56,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:18:56,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:56,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:56,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:18:56,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:56,901 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:56,901 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:56,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:56,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66504659] [2025-01-10 02:18:56,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:56,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651917543] [2025-01-10 02:18:56,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651917543] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:56,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:56,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 02:18:56,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446190500] [2025-01-10 02:18:56,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:56,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:18:56,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:56,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:18:56,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:18:56,903 INFO L87 Difference]: Start difference. First operand 948 states and 1281 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 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) [2025-01-10 02:18:57,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:57,226 INFO L93 Difference]: Finished difference Result 957 states and 1287 transitions. [2025-01-10 02:18:57,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:18:57,227 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 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 39 [2025-01-10 02:18:57,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:57,232 INFO L225 Difference]: With dead ends: 957 [2025-01-10 02:18:57,233 INFO L226 Difference]: Without dead ends: 955 [2025-01-10 02:18:57,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:18:57,233 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 180 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:57,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 219 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:18:57,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2025-01-10 02:18:57,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 948. [2025-01-10 02:18:57,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 884 states have (on average 1.3925339366515836) internal successors, (1231), 923 states have internal predecessors, (1231), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:18:57,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1275 transitions. [2025-01-10 02:18:57,283 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1275 transitions. Word has length 39 [2025-01-10 02:18:57,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:57,284 INFO L471 AbstractCegarLoop]: Abstraction has 948 states and 1275 transitions. [2025-01-10 02:18:57,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 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) [2025-01-10 02:18:57,284 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1275 transitions. [2025-01-10 02:18:57,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 02:18:57,284 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:57,284 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 02:18:57,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-10 02:18:57,484 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 [2025-01-10 02:18:57,485 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:57,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:57,485 INFO L85 PathProgramCache]: Analyzing trace with hash -109903886, now seen corresponding path program 1 times [2025-01-10 02:18:57,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:57,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189699406] [2025-01-10 02:18:57,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:57,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:57,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:18:57,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:18:57,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:57,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:57,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1218994159] [2025-01-10 02:18:57,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:57,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:57,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:57,499 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:57,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-10 02:18:57,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:18:57,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:18:57,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:57,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:57,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 02:18:57,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:58,030 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:58,030 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:18:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:58,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:58,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189699406] [2025-01-10 02:18:58,986 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:58,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218994159] [2025-01-10 02:18:58,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218994159] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:18:58,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:18:58,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2025-01-10 02:18:58,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705226161] [2025-01-10 02:18:58,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:58,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:18:58,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:58,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:18:58,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:18:58,987 INFO L87 Difference]: Start difference. First operand 948 states and 1275 transitions. Second operand has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 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) [2025-01-10 02:19:00,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:00,368 INFO L93 Difference]: Finished difference Result 956 states and 1287 transitions. [2025-01-10 02:19:00,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:19:00,369 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 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 39 [2025-01-10 02:19:00,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:00,371 INFO L225 Difference]: With dead ends: 956 [2025-01-10 02:19:00,371 INFO L226 Difference]: Without dead ends: 955 [2025-01-10 02:19:00,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:19:00,372 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 38 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:00,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 216 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-01-10 02:19:00,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2025-01-10 02:19:00,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 935. [2025-01-10 02:19:00,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 871 states have (on average 1.397244546498278) internal successors, (1217), 910 states have internal predecessors, (1217), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:19:00,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1261 transitions. [2025-01-10 02:19:00,426 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1261 transitions. Word has length 39 [2025-01-10 02:19:00,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:00,427 INFO L471 AbstractCegarLoop]: Abstraction has 935 states and 1261 transitions. [2025-01-10 02:19:00,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 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) [2025-01-10 02:19:00,427 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1261 transitions. [2025-01-10 02:19:00,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 02:19:00,427 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:00,427 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:00,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-01-10 02:19:00,628 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 [2025-01-10 02:19:00,628 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:19:00,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:00,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1109835312, now seen corresponding path program 1 times [2025-01-10 02:19:00,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:00,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762174711] [2025-01-10 02:19:00,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:00,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:00,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:19:00,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:19:00,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:00,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:00,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1602650869] [2025-01-10 02:19:00,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:00,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:00,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:00,643 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:19:00,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-10 02:19:00,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:19:00,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:19:00,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:00,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:00,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 02:19:00,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:00,896 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:00,896 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:01,215 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:01,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:01,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762174711] [2025-01-10 02:19:01,216 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:01,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602650869] [2025-01-10 02:19:01,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602650869] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:19:01,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:19:01,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-01-10 02:19:01,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786058739] [2025-01-10 02:19:01,216 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:01,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:19:01,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:01,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:19:01,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:19:01,217 INFO L87 Difference]: Start difference. First operand 935 states and 1261 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:02,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:02,573 INFO L93 Difference]: Finished difference Result 984 states and 1332 transitions. [2025-01-10 02:19:02,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 02:19:02,574 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2025-01-10 02:19:02,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:02,577 INFO L225 Difference]: With dead ends: 984 [2025-01-10 02:19:02,577 INFO L226 Difference]: Without dead ends: 982 [2025-01-10 02:19:02,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2025-01-10 02:19:02,578 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 379 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:02,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 143 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-01-10 02:19:02,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2025-01-10 02:19:02,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 965. [2025-01-10 02:19:02,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 901 states have (on average 1.3940066592674807) internal successors, (1256), 940 states have internal predecessors, (1256), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:19:02,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1300 transitions. [2025-01-10 02:19:02,618 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1300 transitions. Word has length 40 [2025-01-10 02:19:02,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:02,619 INFO L471 AbstractCegarLoop]: Abstraction has 965 states and 1300 transitions. [2025-01-10 02:19:02,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:02,619 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1300 transitions. [2025-01-10 02:19:02,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 02:19:02,619 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:02,619 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:02,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-01-10 02:19:02,824 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 [2025-01-10 02:19:02,824 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:19:02,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:02,824 INFO L85 PathProgramCache]: Analyzing trace with hash 887946893, now seen corresponding path program 1 times [2025-01-10 02:19:02,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:02,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159439096] [2025-01-10 02:19:02,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:02,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:02,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:19:02,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:19:02,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:02,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:02,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2067530470] [2025-01-10 02:19:02,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:02,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:02,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:02,845 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:19:02,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-01-10 02:19:02,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:19:02,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:19:02,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:02,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:02,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 02:19:02,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:03,160 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:03,161 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:03,333 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:03,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:03,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159439096] [2025-01-10 02:19:03,333 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:03,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067530470] [2025-01-10 02:19:03,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067530470] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:03,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:03,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2025-01-10 02:19:03,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972660408] [2025-01-10 02:19:03,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:03,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:19:03,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:03,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:19:03,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:19:03,334 INFO L87 Difference]: Start difference. First operand 965 states and 1300 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:19:03,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:03,717 INFO L93 Difference]: Finished difference Result 990 states and 1328 transitions. [2025-01-10 02:19:03,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:19:03,718 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2025-01-10 02:19:03,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:03,720 INFO L225 Difference]: With dead ends: 990 [2025-01-10 02:19:03,720 INFO L226 Difference]: Without dead ends: 989 [2025-01-10 02:19:03,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:19:03,721 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 121 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:03,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 108 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:19:03,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2025-01-10 02:19:03,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 988. [2025-01-10 02:19:03,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 988 states, 924 states have (on average 1.3831168831168832) internal successors, (1278), 963 states have internal predecessors, (1278), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:19:03,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1322 transitions. [2025-01-10 02:19:03,764 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1322 transitions. Word has length 40 [2025-01-10 02:19:03,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:03,764 INFO L471 AbstractCegarLoop]: Abstraction has 988 states and 1322 transitions. [2025-01-10 02:19:03,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:19:03,764 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1322 transitions. [2025-01-10 02:19:03,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-01-10 02:19:03,764 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:03,764 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:03,770 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-01-10 02:19:03,965 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 [2025-01-10 02:19:03,965 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:19:03,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:03,965 INFO L85 PathProgramCache]: Analyzing trace with hash -634376395, now seen corresponding path program 1 times [2025-01-10 02:19:03,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:03,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921485380] [2025-01-10 02:19:03,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:03,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:03,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 02:19:03,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 02:19:03,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:03,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:03,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1783260263] [2025-01-10 02:19:03,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:03,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:03,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:03,983 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:19:03,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-01-10 02:19:04,010 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 02:19:04,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 02:19:04,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:04,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:04,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 02:19:04,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:04,240 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:04,540 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:04,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:04,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921485380] [2025-01-10 02:19:04,540 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:04,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783260263] [2025-01-10 02:19:04,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783260263] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:19:04,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:19:04,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-01-10 02:19:04,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718405948] [2025-01-10 02:19:04,540 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:04,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 02:19:04,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:04,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 02:19:04,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2025-01-10 02:19:04,541 INFO L87 Difference]: Start difference. First operand 988 states and 1322 transitions. Second operand has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 14 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:07,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:07,289 INFO L93 Difference]: Finished difference Result 1054 states and 1407 transitions. [2025-01-10 02:19:07,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-10 02:19:07,290 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 14 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2025-01-10 02:19:07,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:07,292 INFO L225 Difference]: With dead ends: 1054 [2025-01-10 02:19:07,292 INFO L226 Difference]: Without dead ends: 1045 [2025-01-10 02:19:07,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=230, Invalid=472, Unknown=0, NotChecked=0, Total=702 [2025-01-10 02:19:07,293 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 328 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:07,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 230 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-01-10 02:19:07,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2025-01-10 02:19:07,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1019. [2025-01-10 02:19:07,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 955 states have (on average 1.3769633507853403) internal successors, (1315), 993 states have internal predecessors, (1315), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:19:07,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1359 transitions. [2025-01-10 02:19:07,345 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1359 transitions. Word has length 42 [2025-01-10 02:19:07,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:07,345 INFO L471 AbstractCegarLoop]: Abstraction has 1019 states and 1359 transitions. [2025-01-10 02:19:07,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 14 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1359 transitions. [2025-01-10 02:19:07,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-01-10 02:19:07,346 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:07,346 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:07,352 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-01-10 02:19:07,546 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 [2025-01-10 02:19:07,546 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:19:07,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:07,547 INFO L85 PathProgramCache]: Analyzing trace with hash 249642263, now seen corresponding path program 1 times [2025-01-10 02:19:07,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:07,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146398496] [2025-01-10 02:19:07,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:07,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:07,550 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-10 02:19:07,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 02:19:07,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:07,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:07,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [81805923] [2025-01-10 02:19:07,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:07,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:07,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:07,565 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:19:07,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-01-10 02:19:07,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-10 02:19:07,610 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 02:19:07,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:07,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:07,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 02:19:07,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:07,875 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:07,875 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:09,060 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:09,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:09,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146398496] [2025-01-10 02:19:09,061 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:09,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81805923] [2025-01-10 02:19:09,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81805923] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:19:09,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:19:09,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-01-10 02:19:09,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435318682] [2025-01-10 02:19:09,061 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:09,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 02:19:09,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:09,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 02:19:09,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2025-01-10 02:19:09,062 INFO L87 Difference]: Start difference. First operand 1019 states and 1359 transitions. Second operand has 14 states, 13 states have (on average 6.153846153846154) internal successors, (80), 14 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:11,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:11,266 INFO L93 Difference]: Finished difference Result 1044 states and 1386 transitions. [2025-01-10 02:19:11,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 02:19:11,266 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.153846153846154) internal successors, (80), 14 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2025-01-10 02:19:11,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:11,269 INFO L225 Difference]: With dead ends: 1044 [2025-01-10 02:19:11,269 INFO L226 Difference]: Without dead ends: 1043 [2025-01-10 02:19:11,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2025-01-10 02:19:11,270 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 375 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 799 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:11,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 176 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 799 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-01-10 02:19:11,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2025-01-10 02:19:11,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1021. [2025-01-10 02:19:11,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 957 states have (on average 1.3730407523510972) internal successors, (1314), 995 states have internal predecessors, (1314), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:19:11,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1358 transitions. [2025-01-10 02:19:11,323 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1358 transitions. Word has length 44 [2025-01-10 02:19:11,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:11,323 INFO L471 AbstractCegarLoop]: Abstraction has 1021 states and 1358 transitions. [2025-01-10 02:19:11,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.153846153846154) internal successors, (80), 14 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:11,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1358 transitions. [2025-01-10 02:19:11,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-01-10 02:19:11,323 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:11,323 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:11,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-01-10 02:19:11,524 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 [2025-01-10 02:19:11,524 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:19:11,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:11,524 INFO L85 PathProgramCache]: Analyzing trace with hash -851024378, now seen corresponding path program 1 times [2025-01-10 02:19:11,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:11,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650183818] [2025-01-10 02:19:11,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:11,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:11,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-10 02:19:11,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-10 02:19:11,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:11,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:11,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1829522975] [2025-01-10 02:19:11,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:11,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:11,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:11,540 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:19:11,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-01-10 02:19:11,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-10 02:19:11,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-10 02:19:11,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:11,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:11,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:19:11,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:11,655 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:19:11,656 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:19:11,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:11,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650183818] [2025-01-10 02:19:11,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:11,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829522975] [2025-01-10 02:19:11,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829522975] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:11,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:11,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:19:11,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680114694] [2025-01-10 02:19:11,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:11,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:19:11,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:11,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:19:11,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:19:11,657 INFO L87 Difference]: Start difference. First operand 1021 states and 1358 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:19:11,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:11,995 INFO L93 Difference]: Finished difference Result 1039 states and 1365 transitions. [2025-01-10 02:19:11,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:19:11,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2025-01-10 02:19:11,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:11,999 INFO L225 Difference]: With dead ends: 1039 [2025-01-10 02:19:11,999 INFO L226 Difference]: Without dead ends: 1038 [2025-01-10 02:19:12,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:19:12,000 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 54 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:12,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 137 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:19:12,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2025-01-10 02:19:12,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1021. [2025-01-10 02:19:12,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 957 states have (on average 1.3667711598746082) internal successors, (1308), 995 states have internal predecessors, (1308), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:19:12,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1352 transitions. [2025-01-10 02:19:12,083 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1352 transitions. Word has length 45 [2025-01-10 02:19:12,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:12,083 INFO L471 AbstractCegarLoop]: Abstraction has 1021 states and 1352 transitions. [2025-01-10 02:19:12,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:19:12,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1352 transitions. [2025-01-10 02:19:12,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-10 02:19:12,085 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:12,086 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:12,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-01-10 02:19:12,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-01-10 02:19:12,290 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:19:12,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:12,290 INFO L85 PathProgramCache]: Analyzing trace with hash -611951879, now seen corresponding path program 1 times [2025-01-10 02:19:12,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:12,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931013444] [2025-01-10 02:19:12,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:12,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:12,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 02:19:12,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:19:12,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:12,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:12,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1821848913] [2025-01-10 02:19:12,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:12,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:12,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:12,314 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:19:12,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-01-10 02:19:12,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 02:19:12,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:19:12,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:12,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:12,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 02:19:12,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:12,711 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:12,712 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:13,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:13,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931013444] [2025-01-10 02:19:13,168 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:13,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821848913] [2025-01-10 02:19:13,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821848913] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:13,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:13,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 15 [2025-01-10 02:19:13,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506525531] [2025-01-10 02:19:13,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:13,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:19:13,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:13,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:19:13,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:19:13,169 INFO L87 Difference]: Start difference. First operand 1021 states and 1352 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:19:14,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:14,163 INFO L93 Difference]: Finished difference Result 1037 states and 1372 transitions. [2025-01-10 02:19:14,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:19:14,163 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2025-01-10 02:19:14,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:14,166 INFO L225 Difference]: With dead ends: 1037 [2025-01-10 02:19:14,166 INFO L226 Difference]: Without dead ends: 1036 [2025-01-10 02:19:14,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:19:14,166 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 54 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:14,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 134 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 02:19:14,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2025-01-10 02:19:14,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1000. [2025-01-10 02:19:14,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1000 states, 936 states have (on average 1.3707264957264957) internal successors, (1283), 974 states have internal predecessors, (1283), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:19:14,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1327 transitions. [2025-01-10 02:19:14,213 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1327 transitions. Word has length 46 [2025-01-10 02:19:14,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:14,213 INFO L471 AbstractCegarLoop]: Abstraction has 1000 states and 1327 transitions. [2025-01-10 02:19:14,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:19:14,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1327 transitions. [2025-01-10 02:19:14,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 02:19:14,214 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:14,214 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:14,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-01-10 02:19:14,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-01-10 02:19:14,415 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:19:14,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:14,415 INFO L85 PathProgramCache]: Analyzing trace with hash 452652002, now seen corresponding path program 1 times [2025-01-10 02:19:14,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:14,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750014808] [2025-01-10 02:19:14,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:14,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:14,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:19:14,424 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:19:14,424 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:14,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:14,634 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:19:14,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:14,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750014808] [2025-01-10 02:19:14,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750014808] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:14,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:14,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 02:19:14,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497054804] [2025-01-10 02:19:14,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:14,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:19:14,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:14,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:19:14,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:19:14,636 INFO L87 Difference]: Start difference. First operand 1000 states and 1327 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:15,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:15,068 INFO L93 Difference]: Finished difference Result 1527 states and 2037 transitions. [2025-01-10 02:19:15,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:19:15,069 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 52 [2025-01-10 02:19:15,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:15,071 INFO L225 Difference]: With dead ends: 1527 [2025-01-10 02:19:15,071 INFO L226 Difference]: Without dead ends: 1200 [2025-01-10 02:19:15,072 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:19:15,073 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 273 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:15,073 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 216 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:19:15,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2025-01-10 02:19:15,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1162. [2025-01-10 02:19:15,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 1093 states have (on average 1.3806038426349496) internal successors, (1509), 1131 states have internal predecessors, (1509), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-10 02:19:15,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1563 transitions. [2025-01-10 02:19:15,149 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1563 transitions. Word has length 52 [2025-01-10 02:19:15,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:15,149 INFO L471 AbstractCegarLoop]: Abstraction has 1162 states and 1563 transitions. [2025-01-10 02:19:15,149 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:15,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1563 transitions. [2025-01-10 02:19:15,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 02:19:15,150 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:15,150 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 02:19:15,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-01-10 02:19:15,150 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:19:15,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:15,151 INFO L85 PathProgramCache]: Analyzing trace with hash 466475025, now seen corresponding path program 1 times [2025-01-10 02:19:15,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:15,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982729582] [2025-01-10 02:19:15,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:15,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:15,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:19:15,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:19:15,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:15,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:15,203 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:19:15,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:15,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982729582] [2025-01-10 02:19:15,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982729582] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:15,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:15,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:19:15,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002899195] [2025-01-10 02:19:15,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:15,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:19:15,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:15,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:19:15,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:19:15,205 INFO L87 Difference]: Start difference. First operand 1162 states and 1563 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:15,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:15,353 INFO L93 Difference]: Finished difference Result 1163 states and 1563 transitions. [2025-01-10 02:19:15,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:19:15,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 52 [2025-01-10 02:19:15,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:15,357 INFO L225 Difference]: With dead ends: 1163 [2025-01-10 02:19:15,357 INFO L226 Difference]: Without dead ends: 1160 [2025-01-10 02:19:15,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:19:15,358 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 44 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:15,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 104 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:19:15,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2025-01-10 02:19:15,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1159. [2025-01-10 02:19:15,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1159 states, 1093 states have (on average 1.3677950594693504) internal successors, (1495), 1128 states have internal predecessors, (1495), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-10 02:19:15,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1549 transitions. [2025-01-10 02:19:15,418 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1549 transitions. Word has length 52 [2025-01-10 02:19:15,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:15,418 INFO L471 AbstractCegarLoop]: Abstraction has 1159 states and 1549 transitions. [2025-01-10 02:19:15,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:15,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1549 transitions. [2025-01-10 02:19:15,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-01-10 02:19:15,419 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:15,419 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 02:19:15,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-01-10 02:19:15,419 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:19:15,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:15,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1562432951, now seen corresponding path program 1 times [2025-01-10 02:19:15,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:15,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841337628] [2025-01-10 02:19:15,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:15,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:15,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:19:15,432 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:19:15,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:15,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:15,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1383807402] [2025-01-10 02:19:15,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:15,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:15,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:15,435 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:19:15,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-01-10 02:19:15,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:19:15,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:19:15,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:15,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:15,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-10 02:19:15,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:30,211 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 02:19:30,211 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:32,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:32,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841337628] [2025-01-10 02:19:32,109 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:32,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383807402] [2025-01-10 02:19:32,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383807402] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:32,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:32,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-01-10 02:19:32,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895509193] [2025-01-10 02:19:32,109 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:32,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 02:19:32,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:32,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 02:19:32,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=382, Unknown=1, NotChecked=0, Total=462 [2025-01-10 02:19:32,111 INFO L87 Difference]: Start difference. First operand 1159 states and 1549 transitions. Second operand has 15 states, 13 states have (on average 3.769230769230769) internal successors, (49), 15 states have internal predecessors, (49), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:38,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:19:42,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:19:46,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]