./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dad54faad409a509f8fe160c736fa981b1b72909c611eb2d7f09e49e6ca0dfcb --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:24:27,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:24:27,998 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:24:28,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:24:28,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:24:28,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:24:28,026 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:24:28,026 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:24:28,027 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:24:28,027 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:24:28,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:24:28,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:24:28,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:24:28,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:24:28,029 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:24:28,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:24:28,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:24:28,029 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:24:28,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:24:28,029 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:24:28,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:24:28,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:24:28,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:24:28,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:24:28,030 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:24:28,030 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:24:28,030 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:24:28,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:24:28,030 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:24:28,030 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:24:28,030 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:24:28,030 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:24:28,030 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:24:28,030 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:24:28,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:24:28,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:24:28,031 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:24:28,031 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:24:28,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:24:28,031 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:24:28,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:24:28,031 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:24:28,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:24:28,031 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:24:28,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:24:28,031 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 -> dad54faad409a509f8fe160c736fa981b1b72909c611eb2d7f09e49e6ca0dfcb [2025-02-08 09:24:28,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:24:28,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:24:28,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:24:28,313 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:24:28,313 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:24:28,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c [2025-02-08 09:24:29,573 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/26f734151/6f024d30937c4c7c95f8c87291cfad17/FLAG667a283a6 [2025-02-08 09:24:29,802 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:24:29,803 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c [2025-02-08 09:24:29,809 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/26f734151/6f024d30937c4c7c95f8c87291cfad17/FLAG667a283a6 [2025-02-08 09:24:29,820 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/26f734151/6f024d30937c4c7c95f8c87291cfad17 [2025-02-08 09:24:29,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:24:29,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:24:29,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:24:29,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:24:29,827 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:24:29,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:24:29" (1/1) ... [2025-02-08 09:24:29,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4687e745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:29, skipping insertion in model container [2025-02-08 09:24:29,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:24:29" (1/1) ... [2025-02-08 09:24:29,842 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:24:29,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:24:29,997 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:24:30,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:24:30,028 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:24:30,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:30 WrapperNode [2025-02-08 09:24:30,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:24:30,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:24:30,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:24:30,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:24:30,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:30" (1/1) ... [2025-02-08 09:24:30,041 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:30" (1/1) ... [2025-02-08 09:24:30,064 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 123 [2025-02-08 09:24:30,064 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:24:30,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:24:30,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:24:30,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:24:30,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:30" (1/1) ... [2025-02-08 09:24:30,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:30" (1/1) ... [2025-02-08 09:24:30,076 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:30" (1/1) ... [2025-02-08 09:24:30,094 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 09:24:30,095 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:30" (1/1) ... [2025-02-08 09:24:30,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:30" (1/1) ... [2025-02-08 09:24:30,102 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:30" (1/1) ... [2025-02-08 09:24:30,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:30" (1/1) ... [2025-02-08 09:24:30,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:30" (1/1) ... [2025-02-08 09:24:30,104 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:30" (1/1) ... [2025-02-08 09:24:30,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:24:30,110 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:24:30,110 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:24:30,110 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:24:30,111 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:30" (1/1) ... [2025-02-08 09:24:30,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:24:30,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:30,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 09:24:30,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 09:24:30,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:24:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 09:24:30,169 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 09:24:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:24:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:24:30,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:24:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:24:30,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:24:30,221 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:24:30,223 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:24:30,792 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2025-02-08 09:24:30,792 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:24:30,803 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:24:30,804 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:24:30,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:24:30 BoogieIcfgContainer [2025-02-08 09:24:30,805 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:24:30,806 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:24:30,806 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:24:30,810 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:24:30,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:24:29" (1/3) ... [2025-02-08 09:24:30,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657af201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:24:30, skipping insertion in model container [2025-02-08 09:24:30,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:24:30" (2/3) ... [2025-02-08 09:24:30,811 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657af201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:24:30, skipping insertion in model container [2025-02-08 09:24:30,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:24:30" (3/3) ... [2025-02-08 09:24:30,812 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd-ll_unwindbound2.c [2025-02-08 09:24:30,822 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:24:30,823 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd-ll_unwindbound2.c that has 3 procedures, 142 locations, 1 initial locations, 1 loop locations, and 58 error locations. [2025-02-08 09:24:30,872 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:24:30,883 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;@20fd3645, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:24:30,884 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2025-02-08 09:24:30,887 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 72 states have (on average 1.8888888888888888) internal successors, (136), 130 states have internal predecessors, (136), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 09:24:30,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 09:24:30,892 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:30,893 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:30,893 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:30,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:30,898 INFO L85 PathProgramCache]: Analyzing trace with hash -315821759, now seen corresponding path program 1 times [2025-02-08 09:24:30,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:30,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620165700] [2025-02-08 09:24:30,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:30,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:30,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:24:30,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:24:30,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:30,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:31,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 09:24:31,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:31,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620165700] [2025-02-08 09:24:31,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620165700] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:24:31,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383748361] [2025-02-08 09:24:31,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:31,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:31,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:31,019 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:31,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 09:24:31,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:24:31,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:24:31,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:31,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:31,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 09:24:31,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:31,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 09:24:31,078 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:31,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383748361] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:31,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:24:31,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 09:24:31,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620417893] [2025-02-08 09:24:31,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:31,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:24:31,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:31,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:24:31,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:24:31,107 INFO L87 Difference]: Start difference. First operand has 142 states, 72 states have (on average 1.8888888888888888) internal successors, (136), 130 states have internal predecessors, (136), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:24:31,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:31,128 INFO L93 Difference]: Finished difference Result 282 states and 314 transitions. [2025-02-08 09:24:31,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:24:31,129 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2025-02-08 09:24:31,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:31,133 INFO L225 Difference]: With dead ends: 282 [2025-02-08 09:24:31,133 INFO L226 Difference]: Without dead ends: 138 [2025-02-08 09:24:31,136 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:24:31,139 INFO L435 NwaCegarLoop]: 151 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, 151 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:31,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:24:31,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2025-02-08 09:24:31,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2025-02-08 09:24:31,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 70 states have (on average 1.8571428571428572) internal successors, (130), 127 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:24:31,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 146 transitions. [2025-02-08 09:24:31,182 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 146 transitions. Word has length 14 [2025-02-08 09:24:31,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:31,182 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 146 transitions. [2025-02-08 09:24:31,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:24:31,183 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 146 transitions. [2025-02-08 09:24:31,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 09:24:31,183 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:31,184 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:31,191 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 09:24:31,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 09:24:31,384 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:31,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:31,385 INFO L85 PathProgramCache]: Analyzing trace with hash -2084143967, now seen corresponding path program 1 times [2025-02-08 09:24:31,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:31,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482915171] [2025-02-08 09:24:31,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:31,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:31,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:24:31,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:24:31,411 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:31,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:31,505 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:24:31,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:31,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482915171] [2025-02-08 09:24:31,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482915171] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:31,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:31,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:31,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363471639] [2025-02-08 09:24:31,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:31,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:31,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:31,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:31,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:31,508 INFO L87 Difference]: Start difference. First operand 138 states and 146 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:24:31,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:31,571 INFO L93 Difference]: Finished difference Result 203 states and 213 transitions. [2025-02-08 09:24:31,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:24:31,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2025-02-08 09:24:31,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:31,573 INFO L225 Difference]: With dead ends: 203 [2025-02-08 09:24:31,573 INFO L226 Difference]: Without dead ends: 142 [2025-02-08 09:24:31,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:24:31,574 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 9 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:31,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 414 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:24:31,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2025-02-08 09:24:31,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2025-02-08 09:24:31,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 74 states have (on average 1.8108108108108107) internal successors, (134), 131 states have internal predecessors, (134), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:24:31,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 150 transitions. [2025-02-08 09:24:31,593 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 150 transitions. Word has length 14 [2025-02-08 09:24:31,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:31,594 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 150 transitions. [2025-02-08 09:24:31,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:24:31,595 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2025-02-08 09:24:31,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-08 09:24:31,595 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:31,595 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:31,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:24:31,596 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:31,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:31,596 INFO L85 PathProgramCache]: Analyzing trace with hash -685594659, now seen corresponding path program 1 times [2025-02-08 09:24:31,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:31,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509586622] [2025-02-08 09:24:31,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:31,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:31,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 09:24:31,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 09:24:31,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:31,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:31,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1219043969] [2025-02-08 09:24:31,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:31,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:31,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:31,630 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:31,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 09:24:31,678 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 09:24:31,689 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 09:24:31,689 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:31,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:31,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:24:31,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:31,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:24:31,735 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:31,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:31,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509586622] [2025-02-08 09:24:31,736 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:31,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219043969] [2025-02-08 09:24:31,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219043969] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:31,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:31,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:24:31,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35218850] [2025-02-08 09:24:31,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:31,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:24:31,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:31,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:24:31,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:31,740 INFO L87 Difference]: Start difference. First operand 142 states and 150 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:24:32,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:32,039 INFO L93 Difference]: Finished difference Result 226 states and 273 transitions. [2025-02-08 09:24:32,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:24:32,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2025-02-08 09:24:32,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:32,042 INFO L225 Difference]: With dead ends: 226 [2025-02-08 09:24:32,042 INFO L226 Difference]: Without dead ends: 222 [2025-02-08 09:24:32,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:32,043 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 73 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:32,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 167 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:24:32,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2025-02-08 09:24:32,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 180. [2025-02-08 09:24:32,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 107 states have (on average 1.8317757009345794) internal successors, (196), 164 states have internal predecessors, (196), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-08 09:24:32,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 222 transitions. [2025-02-08 09:24:32,067 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 222 transitions. Word has length 17 [2025-02-08 09:24:32,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:32,067 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 222 transitions. [2025-02-08 09:24:32,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:24:32,067 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 222 transitions. [2025-02-08 09:24:32,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-08 09:24:32,067 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:32,068 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:32,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 09:24:32,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:32,272 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:32,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:32,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1726468133, now seen corresponding path program 1 times [2025-02-08 09:24:32,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:32,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927020686] [2025-02-08 09:24:32,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:32,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:32,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 09:24:32,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 09:24:32,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:32,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:32,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1449846860] [2025-02-08 09:24:32,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:32,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:32,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:32,295 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:32,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 09:24:32,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 09:24:32,335 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 09:24:32,335 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:32,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:32,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:24:32,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:32,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:24:32,359 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:32,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:32,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927020686] [2025-02-08 09:24:32,359 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:32,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449846860] [2025-02-08 09:24:32,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449846860] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:32,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:32,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:24:32,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717610554] [2025-02-08 09:24:32,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:32,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:24:32,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:32,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:24:32,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:32,361 INFO L87 Difference]: Start difference. First operand 180 states and 222 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:24:32,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:32,523 INFO L93 Difference]: Finished difference Result 286 states and 352 transitions. [2025-02-08 09:24:32,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:24:32,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2025-02-08 09:24:32,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:32,526 INFO L225 Difference]: With dead ends: 286 [2025-02-08 09:24:32,526 INFO L226 Difference]: Without dead ends: 278 [2025-02-08 09:24:32,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:32,527 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 87 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:32,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 204 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:32,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2025-02-08 09:24:32,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 236. [2025-02-08 09:24:32,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 157 states have (on average 1.7898089171974523) internal successors, (281), 214 states have internal predecessors, (281), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-08 09:24:32,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 319 transitions. [2025-02-08 09:24:32,550 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 319 transitions. Word has length 19 [2025-02-08 09:24:32,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:32,550 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 319 transitions. [2025-02-08 09:24:32,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:24:32,550 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 319 transitions. [2025-02-08 09:24:32,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-08 09:24:32,551 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:32,551 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:32,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 09:24:32,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:32,752 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:32,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:32,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1278496807, now seen corresponding path program 1 times [2025-02-08 09:24:32,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:32,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773026037] [2025-02-08 09:24:32,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:32,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:32,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 09:24:32,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 09:24:32,768 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:32,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:32,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1625379803] [2025-02-08 09:24:32,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:32,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:32,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:32,771 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:32,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 09:24:32,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-08 09:24:32,808 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-08 09:24:32,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:32,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:32,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:24:32,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:32,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:24:32,897 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:32,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:32,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773026037] [2025-02-08 09:24:32,897 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:32,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625379803] [2025-02-08 09:24:32,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625379803] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:32,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:32,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:24:32,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523637187] [2025-02-08 09:24:32,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:32,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:24:32,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:32,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:24:32,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:32,899 INFO L87 Difference]: Start difference. First operand 236 states and 319 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:24:33,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:33,181 INFO L93 Difference]: Finished difference Result 272 states and 338 transitions. [2025-02-08 09:24:33,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:24:33,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2025-02-08 09:24:33,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:33,183 INFO L225 Difference]: With dead ends: 272 [2025-02-08 09:24:33,183 INFO L226 Difference]: Without dead ends: 258 [2025-02-08 09:24:33,184 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:33,184 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 64 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:33,186 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 178 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:24:33,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2025-02-08 09:24:33,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 202. [2025-02-08 09:24:33,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 128 states have (on average 1.7109375) internal successors, (219), 185 states have internal predecessors, (219), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:24:33,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 247 transitions. [2025-02-08 09:24:33,201 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 247 transitions. Word has length 21 [2025-02-08 09:24:33,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:33,201 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 247 transitions. [2025-02-08 09:24:33,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:24:33,202 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 247 transitions. [2025-02-08 09:24:33,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-08 09:24:33,202 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:33,202 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:33,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:33,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:33,403 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:33,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:33,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1313075452, now seen corresponding path program 1 times [2025-02-08 09:24:33,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:33,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334140648] [2025-02-08 09:24:33,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:33,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:33,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 09:24:33,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 09:24:33,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:33,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:33,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1834959510] [2025-02-08 09:24:33,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:33,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:33,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:33,424 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:33,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 09:24:33,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 09:24:33,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 09:24:33,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:33,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:33,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:24:33,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:24:33,513 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:33,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:33,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334140648] [2025-02-08 09:24:33,514 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:33,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834959510] [2025-02-08 09:24:33,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834959510] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:33,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:33,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:24:33,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7536125] [2025-02-08 09:24:33,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:33,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:24:33,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:33,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:24:33,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:33,516 INFO L87 Difference]: Start difference. First operand 202 states and 247 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:24:33,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:33,690 INFO L93 Difference]: Finished difference Result 368 states and 471 transitions. [2025-02-08 09:24:33,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:24:33,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2025-02-08 09:24:33,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:33,693 INFO L225 Difference]: With dead ends: 368 [2025-02-08 09:24:33,693 INFO L226 Difference]: Without dead ends: 360 [2025-02-08 09:24:33,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:33,694 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 87 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:33,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 205 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:33,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2025-02-08 09:24:33,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 283. [2025-02-08 09:24:33,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 200 states have (on average 1.7) internal successors, (340), 257 states have internal predecessors, (340), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:24:33,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 386 transitions. [2025-02-08 09:24:33,708 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 386 transitions. Word has length 28 [2025-02-08 09:24:33,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:33,708 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 386 transitions. [2025-02-08 09:24:33,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:24:33,708 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 386 transitions. [2025-02-08 09:24:33,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-08 09:24:33,709 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:33,709 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:33,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:33,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:33,913 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:33,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:33,914 INFO L85 PathProgramCache]: Analyzing trace with hash -854873190, now seen corresponding path program 1 times [2025-02-08 09:24:33,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:33,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977517777] [2025-02-08 09:24:33,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:33,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:33,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 09:24:33,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 09:24:33,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:33,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:33,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [701858522] [2025-02-08 09:24:33,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:33,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:33,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:33,941 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:33,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 09:24:33,975 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 09:24:33,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 09:24:33,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:33,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:33,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:33,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:34,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:24:34,093 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:34,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:34,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977517777] [2025-02-08 09:24:34,094 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:34,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701858522] [2025-02-08 09:24:34,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701858522] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:34,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:34,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:34,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128520385] [2025-02-08 09:24:34,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:34,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:34,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:34,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:34,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:34,096 INFO L87 Difference]: Start difference. First operand 283 states and 386 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:24:34,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:34,317 INFO L93 Difference]: Finished difference Result 338 states and 451 transitions. [2025-02-08 09:24:34,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:34,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2025-02-08 09:24:34,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:34,320 INFO L225 Difference]: With dead ends: 338 [2025-02-08 09:24:34,321 INFO L226 Difference]: Without dead ends: 336 [2025-02-08 09:24:34,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:34,322 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 232 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:34,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 155 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:34,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2025-02-08 09:24:34,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 283. [2025-02-08 09:24:34,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 200 states have (on average 1.68) internal successors, (336), 257 states have internal predecessors, (336), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:24:34,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 382 transitions. [2025-02-08 09:24:34,343 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 382 transitions. Word has length 30 [2025-02-08 09:24:34,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:34,344 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 382 transitions. [2025-02-08 09:24:34,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:24:34,344 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 382 transitions. [2025-02-08 09:24:34,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-08 09:24:34,345 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:34,345 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:34,352 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 09:24:34,546 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,SelfDestructingSolverStorable6 [2025-02-08 09:24:34,546 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:34,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:34,547 INFO L85 PathProgramCache]: Analyzing trace with hash -731265041, now seen corresponding path program 1 times [2025-02-08 09:24:34,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:34,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112289968] [2025-02-08 09:24:34,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:34,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:34,552 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 09:24:34,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 09:24:34,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:34,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:34,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1796959491] [2025-02-08 09:24:34,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:34,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:34,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:34,580 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:34,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 09:24:34,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 09:24:34,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 09:24:34,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:34,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:34,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:34,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:34,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:24:34,701 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:34,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:34,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112289968] [2025-02-08 09:24:34,701 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:34,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796959491] [2025-02-08 09:24:34,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796959491] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:34,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:34,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:34,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148298383] [2025-02-08 09:24:34,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:34,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:34,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:34,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:34,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:34,703 INFO L87 Difference]: Start difference. First operand 283 states and 382 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:24:34,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:34,914 INFO L93 Difference]: Finished difference Result 338 states and 447 transitions. [2025-02-08 09:24:34,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:34,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2025-02-08 09:24:34,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:34,916 INFO L225 Difference]: With dead ends: 338 [2025-02-08 09:24:34,917 INFO L226 Difference]: Without dead ends: 336 [2025-02-08 09:24:34,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:34,919 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 179 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:34,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 164 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:34,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2025-02-08 09:24:34,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 283. [2025-02-08 09:24:34,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 200 states have (on average 1.66) internal successors, (332), 257 states have internal predecessors, (332), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:24:34,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 378 transitions. [2025-02-08 09:24:34,960 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 378 transitions. Word has length 31 [2025-02-08 09:24:34,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:34,961 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 378 transitions. [2025-02-08 09:24:34,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:24:34,961 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 378 transitions. [2025-02-08 09:24:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-08 09:24:34,961 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:34,961 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:34,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 09:24:35,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:35,162 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:35,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:35,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1194379720, now seen corresponding path program 1 times [2025-02-08 09:24:35,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:35,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438143581] [2025-02-08 09:24:35,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:35,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:35,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-08 09:24:35,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 09:24:35,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:35,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:35,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [279957832] [2025-02-08 09:24:35,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:35,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:35,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:35,188 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:35,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 09:24:35,214 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-08 09:24:35,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 09:24:35,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:35,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:35,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:35,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:35,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:24:35,261 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:35,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:35,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438143581] [2025-02-08 09:24:35,261 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:35,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279957832] [2025-02-08 09:24:35,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279957832] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:35,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:35,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:35,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122149533] [2025-02-08 09:24:35,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:35,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:35,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:35,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:35,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:35,263 INFO L87 Difference]: Start difference. First operand 283 states and 378 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:24:35,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:35,573 INFO L93 Difference]: Finished difference Result 358 states and 451 transitions. [2025-02-08 09:24:35,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:35,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2025-02-08 09:24:35,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:35,576 INFO L225 Difference]: With dead ends: 358 [2025-02-08 09:24:35,576 INFO L226 Difference]: Without dead ends: 356 [2025-02-08 09:24:35,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:35,578 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 150 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:35,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 182 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:24:35,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2025-02-08 09:24:35,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 284. [2025-02-08 09:24:35,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 201 states have (on average 1.6417910447761195) internal successors, (330), 258 states have internal predecessors, (330), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:24:35,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 376 transitions. [2025-02-08 09:24:35,593 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 376 transitions. Word has length 32 [2025-02-08 09:24:35,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:35,593 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 376 transitions. [2025-02-08 09:24:35,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:24:35,593 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 376 transitions. [2025-02-08 09:24:35,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-08 09:24:35,594 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:35,594 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:35,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:35,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:35,798 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:35,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:35,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1628934413, now seen corresponding path program 1 times [2025-02-08 09:24:35,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:35,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759027231] [2025-02-08 09:24:35,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:35,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:35,803 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:24:35,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:24:35,810 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:35,810 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:35,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1526938427] [2025-02-08 09:24:35,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:35,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:35,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:35,814 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:35,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 09:24:35,838 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:24:35,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:24:35,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:35,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:35,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:35,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:35,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:24:35,941 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:35,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:35,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759027231] [2025-02-08 09:24:35,941 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:35,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526938427] [2025-02-08 09:24:35,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526938427] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:35,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:35,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:35,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904059021] [2025-02-08 09:24:35,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:35,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:35,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:35,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:35,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:35,943 INFO L87 Difference]: Start difference. First operand 284 states and 376 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:24:36,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:36,367 INFO L93 Difference]: Finished difference Result 358 states and 447 transitions. [2025-02-08 09:24:36,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:36,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2025-02-08 09:24:36,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:36,370 INFO L225 Difference]: With dead ends: 358 [2025-02-08 09:24:36,370 INFO L226 Difference]: Without dead ends: 356 [2025-02-08 09:24:36,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:36,371 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 149 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:36,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 210 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:24:36,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2025-02-08 09:24:36,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 285. [2025-02-08 09:24:36,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 202 states have (on average 1.6237623762376239) internal successors, (328), 259 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:24:36,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 374 transitions. [2025-02-08 09:24:36,386 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 374 transitions. Word has length 33 [2025-02-08 09:24:36,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:36,386 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 374 transitions. [2025-02-08 09:24:36,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:24:36,387 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 374 transitions. [2025-02-08 09:24:36,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:24:36,389 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:36,389 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:36,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:36,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:36,590 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:36,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:36,590 INFO L85 PathProgramCache]: Analyzing trace with hash 2091042853, now seen corresponding path program 1 times [2025-02-08 09:24:36,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:36,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985448884] [2025-02-08 09:24:36,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:36,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:36,594 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:24:36,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:24:36,605 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:36,605 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:36,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1711267880] [2025-02-08 09:24:36,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:36,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:36,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:36,611 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:36,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 09:24:36,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:24:36,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:24:36,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:36,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:36,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:36,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:36,744 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:24:36,745 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:36,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:36,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985448884] [2025-02-08 09:24:36,745 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:36,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711267880] [2025-02-08 09:24:36,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711267880] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:36,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:36,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:36,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40304891] [2025-02-08 09:24:36,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:36,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:36,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:36,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:36,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:36,747 INFO L87 Difference]: Start difference. First operand 285 states and 374 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:24:36,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:36,948 INFO L93 Difference]: Finished difference Result 309 states and 393 transitions. [2025-02-08 09:24:36,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:36,950 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2025-02-08 09:24:36,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:36,951 INFO L225 Difference]: With dead ends: 309 [2025-02-08 09:24:36,952 INFO L226 Difference]: Without dead ends: 307 [2025-02-08 09:24:36,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:36,952 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 221 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:36,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 157 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:36,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2025-02-08 09:24:36,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 286. [2025-02-08 09:24:36,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 203 states have (on average 1.6108374384236452) internal successors, (327), 260 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:24:36,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 373 transitions. [2025-02-08 09:24:36,966 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 373 transitions. Word has length 41 [2025-02-08 09:24:36,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:36,966 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 373 transitions. [2025-02-08 09:24:36,966 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:24:36,967 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 373 transitions. [2025-02-08 09:24:36,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-08 09:24:36,967 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:36,967 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:36,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:37,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:37,168 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:37,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:37,169 INFO L85 PathProgramCache]: Analyzing trace with hash 397819063, now seen corresponding path program 1 times [2025-02-08 09:24:37,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:37,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542614383] [2025-02-08 09:24:37,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:37,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:37,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:24:37,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:24:37,185 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:37,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:37,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1341419037] [2025-02-08 09:24:37,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:37,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:37,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:37,193 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:37,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 09:24:37,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:24:37,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:24:37,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:37,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:37,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:37,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:37,308 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:24:37,308 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:37,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:37,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542614383] [2025-02-08 09:24:37,308 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:37,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341419037] [2025-02-08 09:24:37,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341419037] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:37,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:37,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:37,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057101998] [2025-02-08 09:24:37,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:37,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:37,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:37,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:37,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:37,309 INFO L87 Difference]: Start difference. First operand 286 states and 373 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:24:37,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:37,513 INFO L93 Difference]: Finished difference Result 309 states and 390 transitions. [2025-02-08 09:24:37,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:37,514 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2025-02-08 09:24:37,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:37,515 INFO L225 Difference]: With dead ends: 309 [2025-02-08 09:24:37,515 INFO L226 Difference]: Without dead ends: 307 [2025-02-08 09:24:37,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:37,516 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 204 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:37,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 171 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:37,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2025-02-08 09:24:37,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 287. [2025-02-08 09:24:37,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 204 states have (on average 1.5980392156862746) internal successors, (326), 261 states have internal predecessors, (326), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:24:37,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 372 transitions. [2025-02-08 09:24:37,530 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 372 transitions. Word has length 42 [2025-02-08 09:24:37,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:37,531 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 372 transitions. [2025-02-08 09:24:37,531 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:24:37,531 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 372 transitions. [2025-02-08 09:24:37,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:24:37,533 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:37,533 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:37,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:37,733 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,SelfDestructingSolverStorable11 [2025-02-08 09:24:37,734 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:37,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:37,734 INFO L85 PathProgramCache]: Analyzing trace with hash -552510877, now seen corresponding path program 1 times [2025-02-08 09:24:37,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:37,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936812987] [2025-02-08 09:24:37,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:37,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:37,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:24:37,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:24:37,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:37,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:37,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [969092408] [2025-02-08 09:24:37,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:37,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:37,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:37,750 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:37,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 09:24:37,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:24:37,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:24:37,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:37,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:37,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:37,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:37,837 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:24:37,837 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:37,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:37,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936812987] [2025-02-08 09:24:37,837 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:37,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969092408] [2025-02-08 09:24:37,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969092408] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:37,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:37,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:37,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030974080] [2025-02-08 09:24:37,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:37,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:37,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:37,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:37,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:37,839 INFO L87 Difference]: Start difference. First operand 287 states and 372 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:24:38,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:38,169 INFO L93 Difference]: Finished difference Result 317 states and 379 transitions. [2025-02-08 09:24:38,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:38,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2025-02-08 09:24:38,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:38,171 INFO L225 Difference]: With dead ends: 317 [2025-02-08 09:24:38,171 INFO L226 Difference]: Without dead ends: 315 [2025-02-08 09:24:38,171 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:38,171 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 83 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:38,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 256 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:24:38,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2025-02-08 09:24:38,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 288. [2025-02-08 09:24:38,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 205 states have (on average 1.5853658536585367) internal successors, (325), 262 states have internal predecessors, (325), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:24:38,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 371 transitions. [2025-02-08 09:24:38,184 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 371 transitions. Word has length 43 [2025-02-08 09:24:38,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:38,184 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 371 transitions. [2025-02-08 09:24:38,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:24:38,184 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 371 transitions. [2025-02-08 09:24:38,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:24:38,184 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:38,184 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:38,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:38,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:38,385 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:38,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:38,386 INFO L85 PathProgramCache]: Analyzing trace with hash 52032053, now seen corresponding path program 1 times [2025-02-08 09:24:38,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:38,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212595881] [2025-02-08 09:24:38,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:38,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:38,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:24:38,397 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:24:38,397 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:38,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:38,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1461534768] [2025-02-08 09:24:38,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:38,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:38,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:38,400 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:38,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 09:24:38,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:24:38,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:24:38,444 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:38,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:38,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:38,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:38,513 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:24:38,514 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:38,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:38,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212595881] [2025-02-08 09:24:38,514 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:38,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461534768] [2025-02-08 09:24:38,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461534768] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:38,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:38,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:38,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169403709] [2025-02-08 09:24:38,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:38,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:38,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:38,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:38,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:38,516 INFO L87 Difference]: Start difference. First operand 288 states and 371 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:24:39,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:39,027 INFO L93 Difference]: Finished difference Result 317 states and 376 transitions. [2025-02-08 09:24:39,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:39,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2025-02-08 09:24:39,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:39,029 INFO L225 Difference]: With dead ends: 317 [2025-02-08 09:24:39,029 INFO L226 Difference]: Without dead ends: 315 [2025-02-08 09:24:39,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:39,029 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 83 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:39,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 285 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:24:39,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2025-02-08 09:24:39,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 289. [2025-02-08 09:24:39,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 206 states have (on average 1.5728155339805825) internal successors, (324), 263 states have internal predecessors, (324), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:24:39,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 370 transitions. [2025-02-08 09:24:39,041 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 370 transitions. Word has length 44 [2025-02-08 09:24:39,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:39,042 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 370 transitions. [2025-02-08 09:24:39,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:24:39,042 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 370 transitions. [2025-02-08 09:24:39,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-08 09:24:39,043 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:39,043 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:39,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:39,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:39,243 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:39,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:39,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1901977261, now seen corresponding path program 1 times [2025-02-08 09:24:39,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:39,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071877655] [2025-02-08 09:24:39,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:39,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:39,248 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 09:24:39,255 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:24:39,255 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:39,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:39,319 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:24:39,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:39,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071877655] [2025-02-08 09:24:39,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071877655] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:39,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:39,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:24:39,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057767753] [2025-02-08 09:24:39,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:39,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:24:39,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:39,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:24:39,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:39,322 INFO L87 Difference]: Start difference. First operand 289 states and 370 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:24:39,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:39,376 INFO L93 Difference]: Finished difference Result 380 states and 487 transitions. [2025-02-08 09:24:39,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:24:39,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 51 [2025-02-08 09:24:39,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:39,379 INFO L225 Difference]: With dead ends: 380 [2025-02-08 09:24:39,379 INFO L226 Difference]: Without dead ends: 378 [2025-02-08 09:24:39,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:39,379 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 46 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:39,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 297 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:24:39,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2025-02-08 09:24:39,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 291. [2025-02-08 09:24:39,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 209 states have (on average 1.5502392344497609) internal successors, (324), 265 states have internal predecessors, (324), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:24:39,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 370 transitions. [2025-02-08 09:24:39,397 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 370 transitions. Word has length 51 [2025-02-08 09:24:39,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:39,398 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 370 transitions. [2025-02-08 09:24:39,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:24:39,398 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 370 transitions. [2025-02-08 09:24:39,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-08 09:24:39,399 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:39,399 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:39,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-08 09:24:39,399 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:39,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:39,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1168247076, now seen corresponding path program 1 times [2025-02-08 09:24:39,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:39,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586306854] [2025-02-08 09:24:39,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:39,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:39,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 09:24:39,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 09:24:39,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:39,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:39,447 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:24:39,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:39,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586306854] [2025-02-08 09:24:39,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586306854] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:39,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:39,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:24:39,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623786810] [2025-02-08 09:24:39,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:39,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:24:39,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:39,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:24:39,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:39,448 INFO L87 Difference]: Start difference. First operand 291 states and 370 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:24:39,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:39,511 INFO L93 Difference]: Finished difference Result 379 states and 481 transitions. [2025-02-08 09:24:39,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:24:39,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 52 [2025-02-08 09:24:39,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:39,513 INFO L225 Difference]: With dead ends: 379 [2025-02-08 09:24:39,513 INFO L226 Difference]: Without dead ends: 377 [2025-02-08 09:24:39,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:39,513 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 45 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:39,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 307 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:24:39,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2025-02-08 09:24:39,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 293. [2025-02-08 09:24:39,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 212 states have (on average 1.5188679245283019) internal successors, (322), 267 states have internal predecessors, (322), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:24:39,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 368 transitions. [2025-02-08 09:24:39,526 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 368 transitions. Word has length 52 [2025-02-08 09:24:39,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:39,526 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 368 transitions. [2025-02-08 09:24:39,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:24:39,527 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 368 transitions. [2025-02-08 09:24:39,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-08 09:24:39,527 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:39,527 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:39,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-08 09:24:39,528 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:39,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:39,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1855976234, now seen corresponding path program 1 times [2025-02-08 09:24:39,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:39,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42422740] [2025-02-08 09:24:39,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:39,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:39,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-08 09:24:39,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 09:24:39,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:39,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:39,615 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:24:39,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:39,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42422740] [2025-02-08 09:24:39,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42422740] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:39,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:39,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:39,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025542328] [2025-02-08 09:24:39,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:39,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:39,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:39,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:39,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:39,617 INFO L87 Difference]: Start difference. First operand 293 states and 368 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:39,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:39,855 INFO L93 Difference]: Finished difference Result 380 states and 476 transitions. [2025-02-08 09:24:39,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:24:39,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 53 [2025-02-08 09:24:39,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:39,858 INFO L225 Difference]: With dead ends: 380 [2025-02-08 09:24:39,858 INFO L226 Difference]: Without dead ends: 379 [2025-02-08 09:24:39,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:24:39,858 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 194 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:39,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 172 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:39,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-02-08 09:24:39,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 295. [2025-02-08 09:24:39,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 214 states have (on average 1.514018691588785) internal successors, (324), 269 states have internal predecessors, (324), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:24:39,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 370 transitions. [2025-02-08 09:24:39,874 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 370 transitions. Word has length 53 [2025-02-08 09:24:39,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:39,874 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 370 transitions. [2025-02-08 09:24:39,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:39,874 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 370 transitions. [2025-02-08 09:24:39,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-08 09:24:39,876 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:39,876 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:39,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-08 09:24:39,876 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:39,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:39,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1855977579, now seen corresponding path program 1 times [2025-02-08 09:24:39,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:39,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208722332] [2025-02-08 09:24:39,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:39,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:39,882 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-08 09:24:39,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 09:24:39,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:39,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:39,972 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:24:39,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:39,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208722332] [2025-02-08 09:24:39,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208722332] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:39,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:39,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:39,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618345376] [2025-02-08 09:24:39,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:39,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:39,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:39,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:39,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:39,974 INFO L87 Difference]: Start difference. First operand 295 states and 370 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:40,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:40,238 INFO L93 Difference]: Finished difference Result 380 states and 475 transitions. [2025-02-08 09:24:40,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:24:40,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 53 [2025-02-08 09:24:40,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:40,241 INFO L225 Difference]: With dead ends: 380 [2025-02-08 09:24:40,241 INFO L226 Difference]: Without dead ends: 379 [2025-02-08 09:24:40,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:24:40,242 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 179 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:40,242 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 177 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:40,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-02-08 09:24:40,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 295. [2025-02-08 09:24:40,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 214 states have (on average 1.5093457943925233) internal successors, (323), 269 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:24:40,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 369 transitions. [2025-02-08 09:24:40,255 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 369 transitions. Word has length 53 [2025-02-08 09:24:40,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:40,257 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 369 transitions. [2025-02-08 09:24:40,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:40,257 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 369 transitions. [2025-02-08 09:24:40,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-02-08 09:24:40,258 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:40,258 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:40,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-08 09:24:40,259 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:40,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:40,259 INFO L85 PathProgramCache]: Analyzing trace with hash -2020948907, now seen corresponding path program 1 times [2025-02-08 09:24:40,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:40,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658374046] [2025-02-08 09:24:40,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:40,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:40,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-08 09:24:40,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-08 09:24:40,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:40,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:40,340 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:24:40,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:40,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658374046] [2025-02-08 09:24:40,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658374046] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:40,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:40,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:24:40,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321825321] [2025-02-08 09:24:40,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:40,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:24:40,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:40,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:24:40,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:40,342 INFO L87 Difference]: Start difference. First operand 295 states and 369 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:40,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:40,516 INFO L93 Difference]: Finished difference Result 356 states and 437 transitions. [2025-02-08 09:24:40,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:24:40,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2025-02-08 09:24:40,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:40,519 INFO L225 Difference]: With dead ends: 356 [2025-02-08 09:24:40,519 INFO L226 Difference]: Without dead ends: 352 [2025-02-08 09:24:40,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:24:40,520 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 48 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:40,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 170 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:40,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2025-02-08 09:24:40,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 305. [2025-02-08 09:24:40,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 224 states have (on average 1.4910714285714286) internal successors, (334), 279 states have internal predecessors, (334), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:24:40,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 380 transitions. [2025-02-08 09:24:40,535 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 380 transitions. Word has length 56 [2025-02-08 09:24:40,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:40,536 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 380 transitions. [2025-02-08 09:24:40,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:40,536 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 380 transitions. [2025-02-08 09:24:40,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-02-08 09:24:40,536 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:40,537 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:40,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-02-08 09:24:40,537 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:40,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:40,537 INFO L85 PathProgramCache]: Analyzing trace with hash 762696036, now seen corresponding path program 1 times [2025-02-08 09:24:40,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:40,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673138017] [2025-02-08 09:24:40,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:40,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:40,542 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 09:24:40,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 09:24:40,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:40,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:40,627 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:24:40,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:40,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673138017] [2025-02-08 09:24:40,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673138017] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:24:40,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438898715] [2025-02-08 09:24:40,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:40,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:40,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:40,631 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:40,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 09:24:40,670 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 09:24:40,685 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 09:24:40,685 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:40,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:40,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:40,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:40,780 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:24:40,780 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:40,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438898715] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:40,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:24:40,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-02-08 09:24:40,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693933147] [2025-02-08 09:24:40,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:40,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:24:40,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:40,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:24:40,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:24:40,782 INFO L87 Difference]: Start difference. First operand 305 states and 380 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:40,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:40,811 INFO L93 Difference]: Finished difference Result 305 states and 380 transitions. [2025-02-08 09:24:40,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:40,811 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2025-02-08 09:24:40,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:40,813 INFO L225 Difference]: With dead ends: 305 [2025-02-08 09:24:40,813 INFO L226 Difference]: Without dead ends: 304 [2025-02-08 09:24:40,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:24:40,814 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 108 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:40,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 273 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:24:40,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2025-02-08 09:24:40,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2025-02-08 09:24:40,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 224 states have (on average 1.4776785714285714) internal successors, (331), 278 states have internal predecessors, (331), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:24:40,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 377 transitions. [2025-02-08 09:24:40,832 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 377 transitions. Word has length 59 [2025-02-08 09:24:40,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:40,833 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 377 transitions. [2025-02-08 09:24:40,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:40,833 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 377 transitions. [2025-02-08 09:24:40,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-02-08 09:24:40,836 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:40,836 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:40,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:41,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:41,041 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:41,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:41,041 INFO L85 PathProgramCache]: Analyzing trace with hash -2126226564, now seen corresponding path program 1 times [2025-02-08 09:24:41,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:41,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067612340] [2025-02-08 09:24:41,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:41,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:41,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-08 09:24:41,050 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-08 09:24:41,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:41,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:41,122 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:24:41,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:41,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067612340] [2025-02-08 09:24:41,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067612340] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:24:41,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487168638] [2025-02-08 09:24:41,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:41,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:41,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:41,125 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:41,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-08 09:24:41,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-08 09:24:41,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-08 09:24:41,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:41,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:41,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:41,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:41,235 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:24:41,235 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:41,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487168638] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:41,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:24:41,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-02-08 09:24:41,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570953424] [2025-02-08 09:24:41,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:41,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:24:41,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:41,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:24:41,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:24:41,237 INFO L87 Difference]: Start difference. First operand 304 states and 377 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:41,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:41,304 INFO L93 Difference]: Finished difference Result 396 states and 485 transitions. [2025-02-08 09:24:41,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:24:41,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2025-02-08 09:24:41,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:41,306 INFO L225 Difference]: With dead ends: 396 [2025-02-08 09:24:41,306 INFO L226 Difference]: Without dead ends: 395 [2025-02-08 09:24:41,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:24:41,307 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 103 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:41,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 609 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:24:41,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2025-02-08 09:24:41,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 357. [2025-02-08 09:24:41,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 269 states have (on average 1.483271375464684) internal successors, (399), 324 states have internal predecessors, (399), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2025-02-08 09:24:41,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 461 transitions. [2025-02-08 09:24:41,339 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 461 transitions. Word has length 60 [2025-02-08 09:24:41,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:41,340 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 461 transitions. [2025-02-08 09:24:41,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:41,340 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 461 transitions. [2025-02-08 09:24:41,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-02-08 09:24:41,341 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:41,341 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:41,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:41,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:41,542 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:41,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:41,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1100707862, now seen corresponding path program 1 times [2025-02-08 09:24:41,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:41,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969107039] [2025-02-08 09:24:41,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:41,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:41,547 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-08 09:24:41,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-08 09:24:41,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:41,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:41,622 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:24:41,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:41,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969107039] [2025-02-08 09:24:41,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969107039] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:24:41,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501857509] [2025-02-08 09:24:41,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:41,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:41,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:41,625 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:41,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-08 09:24:41,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-08 09:24:41,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-08 09:24:41,668 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:41,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:41,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:24:41,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:41,748 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:24:41,748 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:24:41,839 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:24:41,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501857509] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:24:41,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:24:41,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 9 [2025-02-08 09:24:41,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360294191] [2025-02-08 09:24:41,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:24:41,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:24:41,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:41,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:24:41,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:24:41,841 INFO L87 Difference]: Start difference. First operand 357 states and 461 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-08 09:24:41,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:41,924 INFO L93 Difference]: Finished difference Result 479 states and 593 transitions. [2025-02-08 09:24:41,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:24:41,924 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 62 [2025-02-08 09:24:41,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:41,928 INFO L225 Difference]: With dead ends: 479 [2025-02-08 09:24:41,928 INFO L226 Difference]: Without dead ends: 395 [2025-02-08 09:24:41,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 118 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:24:41,929 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 55 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:41,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 641 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:24:41,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2025-02-08 09:24:41,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 383. [2025-02-08 09:24:41,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 292 states have (on average 1.452054794520548) internal successors, (424), 348 states have internal predecessors, (424), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 30 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 09:24:41,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 490 transitions. [2025-02-08 09:24:41,976 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 490 transitions. Word has length 62 [2025-02-08 09:24:41,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:41,976 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 490 transitions. [2025-02-08 09:24:41,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-08 09:24:41,976 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 490 transitions. [2025-02-08 09:24:41,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-02-08 09:24:41,976 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:41,977 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:41,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:42,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:42,177 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:42,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:42,178 INFO L85 PathProgramCache]: Analyzing trace with hash 410978585, now seen corresponding path program 1 times [2025-02-08 09:24:42,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:42,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696086559] [2025-02-08 09:24:42,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:42,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:42,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-08 09:24:42,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-08 09:24:42,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:42,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:42,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1482675321] [2025-02-08 09:24:42,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:42,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:42,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:42,197 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:42,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-08 09:24:42,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-08 09:24:42,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-08 09:24:42,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:42,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:42,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:24:42,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:42,447 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:24:42,447 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:24:42,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:42,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696086559] [2025-02-08 09:24:42,578 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:42,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482675321] [2025-02-08 09:24:42,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482675321] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:24:42,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:24:42,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-02-08 09:24:42,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857365123] [2025-02-08 09:24:42,578 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:24:42,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:42,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:42,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:42,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:24:42,581 INFO L87 Difference]: Start difference. First operand 383 states and 490 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:42,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:42,844 INFO L93 Difference]: Finished difference Result 421 states and 539 transitions. [2025-02-08 09:24:42,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:24:42,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 62 [2025-02-08 09:24:42,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:42,847 INFO L225 Difference]: With dead ends: 421 [2025-02-08 09:24:42,847 INFO L226 Difference]: Without dead ends: 419 [2025-02-08 09:24:42,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:24:42,848 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 39 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:42,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 198 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:42,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2025-02-08 09:24:42,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 385. [2025-02-08 09:24:42,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 294 states have (on average 1.445578231292517) internal successors, (425), 350 states have internal predecessors, (425), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 30 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 09:24:42,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 491 transitions. [2025-02-08 09:24:42,893 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 491 transitions. Word has length 62 [2025-02-08 09:24:42,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:42,893 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 491 transitions. [2025-02-08 09:24:42,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:42,894 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 491 transitions. [2025-02-08 09:24:42,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-08 09:24:42,894 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:42,894 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:42,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-08 09:24:43,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:43,098 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:43,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:43,099 INFO L85 PathProgramCache]: Analyzing trace with hash 230273618, now seen corresponding path program 1 times [2025-02-08 09:24:43,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:43,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681250689] [2025-02-08 09:24:43,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:43,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:43,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-08 09:24:43,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 09:24:43,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:43,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:43,208 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-02-08 09:24:43,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:43,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681250689] [2025-02-08 09:24:43,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681250689] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:24:43,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28837400] [2025-02-08 09:24:43,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:43,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:43,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:43,211 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:43,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-08 09:24:43,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-08 09:24:43,256 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 09:24:43,256 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:43,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:43,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:24:43,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:43,454 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:24:43,454 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:43,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28837400] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:43,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:24:43,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:24:43,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101989819] [2025-02-08 09:24:43,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:43,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:43,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:43,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:43,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:24:43,457 INFO L87 Difference]: Start difference. First operand 385 states and 491 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:24:43,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:43,927 INFO L93 Difference]: Finished difference Result 426 states and 551 transitions. [2025-02-08 09:24:43,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:24:43,927 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 64 [2025-02-08 09:24:43,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:43,930 INFO L225 Difference]: With dead ends: 426 [2025-02-08 09:24:43,930 INFO L226 Difference]: Without dead ends: 425 [2025-02-08 09:24:43,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:24:43,931 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 88 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:43,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 135 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:24:43,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2025-02-08 09:24:43,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 385. [2025-02-08 09:24:43,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 294 states have (on average 1.4387755102040816) internal successors, (423), 350 states have internal predecessors, (423), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 30 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 09:24:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 489 transitions. [2025-02-08 09:24:43,956 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 489 transitions. Word has length 64 [2025-02-08 09:24:43,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:43,956 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 489 transitions. [2025-02-08 09:24:43,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:24:43,957 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 489 transitions. [2025-02-08 09:24:43,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-02-08 09:24:43,958 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:43,958 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:43,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-08 09:24:44,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-02-08 09:24:44,162 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:44,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:44,162 INFO L85 PathProgramCache]: Analyzing trace with hash -144565663, now seen corresponding path program 1 times [2025-02-08 09:24:44,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:44,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022784773] [2025-02-08 09:24:44,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:44,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:44,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-08 09:24:44,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-08 09:24:44,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:44,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:44,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [256200927] [2025-02-08 09:24:44,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:44,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:44,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:44,176 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:44,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-08 09:24:44,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-08 09:24:44,219 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-08 09:24:44,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:44,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:44,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:24:44,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:44,406 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:24:44,406 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:24:44,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:44,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022784773] [2025-02-08 09:24:44,630 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:44,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256200927] [2025-02-08 09:24:44,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256200927] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:24:44,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:24:44,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-02-08 09:24:44,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042235654] [2025-02-08 09:24:44,630 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:24:44,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:44,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:44,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:44,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:24:44,631 INFO L87 Difference]: Start difference. First operand 385 states and 489 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:44,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:44,899 INFO L93 Difference]: Finished difference Result 421 states and 534 transitions. [2025-02-08 09:24:44,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:24:44,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 63 [2025-02-08 09:24:44,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:44,902 INFO L225 Difference]: With dead ends: 421 [2025-02-08 09:24:44,902 INFO L226 Difference]: Without dead ends: 419 [2025-02-08 09:24:44,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:24:44,903 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 78 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:44,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 158 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:44,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2025-02-08 09:24:44,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 387. [2025-02-08 09:24:44,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 296 states have (on average 1.4324324324324325) internal successors, (424), 352 states have internal predecessors, (424), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 30 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 09:24:44,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 490 transitions. [2025-02-08 09:24:44,929 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 490 transitions. Word has length 63 [2025-02-08 09:24:44,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:44,929 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 490 transitions. [2025-02-08 09:24:44,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:44,930 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 490 transitions. [2025-02-08 09:24:44,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-08 09:24:44,930 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:44,930 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:44,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:45,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:45,131 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:45,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:45,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1451452428, now seen corresponding path program 1 times [2025-02-08 09:24:45,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:45,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520207750] [2025-02-08 09:24:45,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:45,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:45,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-08 09:24:45,145 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-08 09:24:45,145 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:45,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:45,248 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-02-08 09:24:45,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:45,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520207750] [2025-02-08 09:24:45,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520207750] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:24:45,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479085833] [2025-02-08 09:24:45,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:45,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:45,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:45,253 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:45,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-08 09:24:45,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-08 09:24:45,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-08 09:24:45,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:45,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:45,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:24:45,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:45,490 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:24:45,491 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:45,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479085833] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:45,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:24:45,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2025-02-08 09:24:45,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878010309] [2025-02-08 09:24:45,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:45,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:45,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:45,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:45,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:24:45,493 INFO L87 Difference]: Start difference. First operand 387 states and 490 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:24:45,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:45,866 INFO L93 Difference]: Finished difference Result 426 states and 546 transitions. [2025-02-08 09:24:45,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:45,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 65 [2025-02-08 09:24:45,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:45,869 INFO L225 Difference]: With dead ends: 426 [2025-02-08 09:24:45,869 INFO L226 Difference]: Without dead ends: 425 [2025-02-08 09:24:45,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:24:45,869 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 85 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:45,871 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 145 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:24:45,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2025-02-08 09:24:45,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 387. [2025-02-08 09:24:45,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 296 states have (on average 1.4256756756756757) internal successors, (422), 352 states have internal predecessors, (422), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 30 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 09:24:45,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 488 transitions. [2025-02-08 09:24:45,893 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 488 transitions. Word has length 65 [2025-02-08 09:24:45,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:45,896 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 488 transitions. [2025-02-08 09:24:45,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:24:45,896 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 488 transitions. [2025-02-08 09:24:45,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-02-08 09:24:45,897 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:45,897 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:45,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:46,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-02-08 09:24:46,098 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:46,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:46,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1096618773, now seen corresponding path program 1 times [2025-02-08 09:24:46,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:46,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079478368] [2025-02-08 09:24:46,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:46,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:46,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-02-08 09:24:46,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-02-08 09:24:46,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:46,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:46,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1672009144] [2025-02-08 09:24:46,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:46,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:46,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:46,112 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:46,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-08 09:24:46,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-02-08 09:24:46,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-02-08 09:24:46,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:46,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:46,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:46,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:46,211 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-02-08 09:24:46,211 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:46,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:46,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079478368] [2025-02-08 09:24:46,212 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:46,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672009144] [2025-02-08 09:24:46,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672009144] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:46,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:46,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:46,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428280989] [2025-02-08 09:24:46,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:46,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:46,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:46,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:46,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:46,213 INFO L87 Difference]: Start difference. First operand 387 states and 488 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:46,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:46,577 INFO L93 Difference]: Finished difference Result 434 states and 529 transitions. [2025-02-08 09:24:46,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:46,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 66 [2025-02-08 09:24:46,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:46,581 INFO L225 Difference]: With dead ends: 434 [2025-02-08 09:24:46,581 INFO L226 Difference]: Without dead ends: 433 [2025-02-08 09:24:46,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:46,582 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 80 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:46,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 228 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:24:46,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2025-02-08 09:24:46,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 387. [2025-02-08 09:24:46,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 296 states have (on average 1.4222972972972974) internal successors, (421), 352 states have internal predecessors, (421), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 30 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 09:24:46,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 487 transitions. [2025-02-08 09:24:46,616 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 487 transitions. Word has length 66 [2025-02-08 09:24:46,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:46,616 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 487 transitions. [2025-02-08 09:24:46,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:46,617 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 487 transitions. [2025-02-08 09:24:46,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-02-08 09:24:46,617 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:46,617 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:46,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:46,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-08 09:24:46,821 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:46,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:46,822 INFO L85 PathProgramCache]: Analyzing trace with hash -364556323, now seen corresponding path program 1 times [2025-02-08 09:24:46,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:46,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64856290] [2025-02-08 09:24:46,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:46,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:46,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-08 09:24:46,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-08 09:24:46,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:46,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:46,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1634143851] [2025-02-08 09:24:46,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:46,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:46,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:46,837 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:46,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-08 09:24:46,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-08 09:24:46,880 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-08 09:24:46,880 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:46,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:46,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:24:46,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:47,008 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-08 09:24:47,008 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:24:47,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:47,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64856290] [2025-02-08 09:24:47,008 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:47,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634143851] [2025-02-08 09:24:47,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634143851] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:24:47,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:24:47,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:24:47,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663298776] [2025-02-08 09:24:47,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:24:47,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:24:47,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:47,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:24:47,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:47,010 INFO L87 Difference]: Start difference. First operand 387 states and 487 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:47,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:47,261 INFO L93 Difference]: Finished difference Result 436 states and 528 transitions. [2025-02-08 09:24:47,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:24:47,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 67 [2025-02-08 09:24:47,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:47,264 INFO L225 Difference]: With dead ends: 436 [2025-02-08 09:24:47,264 INFO L226 Difference]: Without dead ends: 433 [2025-02-08 09:24:47,264 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:24:47,264 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 119 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:47,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 180 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:47,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2025-02-08 09:24:47,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 393. [2025-02-08 09:24:47,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 302 states have (on average 1.4172185430463575) internal successors, (428), 358 states have internal predecessors, (428), 33 states have call successors, (33), 4 states have call predecessors, (33), 4 states have return successors, (33), 30 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 09:24:47,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 494 transitions. [2025-02-08 09:24:47,296 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 494 transitions. Word has length 67 [2025-02-08 09:24:47,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:47,296 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 494 transitions. [2025-02-08 09:24:47,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:24:47,297 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 494 transitions. [2025-02-08 09:24:47,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-02-08 09:24:47,297 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:47,297 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:47,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-02-08 09:24:47,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-08 09:24:47,502 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:47,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:47,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1253192831, now seen corresponding path program 1 times [2025-02-08 09:24:47,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:47,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626263307] [2025-02-08 09:24:47,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:47,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:47,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-08 09:24:47,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-08 09:24:47,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:47,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:47,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1621759583] [2025-02-08 09:24:47,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:47,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:47,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:47,518 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:47,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-08 09:24:47,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-08 09:24:47,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-08 09:24:47,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:47,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:47,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:24:47,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-02-08 09:24:47,853 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:24:48,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:48,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626263307] [2025-02-08 09:24:48,953 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:48,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621759583] [2025-02-08 09:24:48,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621759583] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:24:48,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:24:48,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:24:48,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685323952] [2025-02-08 09:24:48,954 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:24:48,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:24:48,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:48,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:24:48,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2025-02-08 09:24:48,955 INFO L87 Difference]: Start difference. First operand 393 states and 494 transitions. Second operand has 8 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:24:49,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:49,483 INFO L93 Difference]: Finished difference Result 596 states and 779 transitions. [2025-02-08 09:24:49,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:24:49,484 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 73 [2025-02-08 09:24:49,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:49,486 INFO L225 Difference]: With dead ends: 596 [2025-02-08 09:24:49,486 INFO L226 Difference]: Without dead ends: 592 [2025-02-08 09:24:49,487 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2025-02-08 09:24:49,488 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 286 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:49,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 366 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:24:49,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2025-02-08 09:24:49,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 479. [2025-02-08 09:24:49,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 377 states have (on average 1.453580901856764) internal successors, (548), 434 states have internal predecessors, (548), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 40 states have call predecessors, (44), 44 states have call successors, (44) [2025-02-08 09:24:49,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 636 transitions. [2025-02-08 09:24:49,519 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 636 transitions. Word has length 73 [2025-02-08 09:24:49,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:49,520 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 636 transitions. [2025-02-08 09:24:49,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:24:49,520 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 636 transitions. [2025-02-08 09:24:49,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-02-08 09:24:49,521 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:49,521 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:49,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-08 09:24:49,721 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,SelfDestructingSolverStorable28 [2025-02-08 09:24:49,722 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:49,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:49,722 INFO L85 PathProgramCache]: Analyzing trace with hash 194272174, now seen corresponding path program 1 times [2025-02-08 09:24:49,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:49,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375117596] [2025-02-08 09:24:49,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:49,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:49,726 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-08 09:24:49,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-08 09:24:49,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:49,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:49,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1398528643] [2025-02-08 09:24:49,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:49,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:49,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:49,735 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:49,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-08 09:24:49,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-08 09:24:49,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-08 09:24:49,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:49,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:49,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:24:49,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:50,093 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-02-08 09:24:50,094 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:24:51,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:51,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375117596] [2025-02-08 09:24:51,707 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:51,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398528643] [2025-02-08 09:24:51,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398528643] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:24:51,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:24:51,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:24:51,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726086939] [2025-02-08 09:24:51,709 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:24:51,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:24:51,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:51,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:24:51,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2025-02-08 09:24:51,710 INFO L87 Difference]: Start difference. First operand 479 states and 636 transitions. Second operand has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:24:52,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:52,000 INFO L93 Difference]: Finished difference Result 501 states and 649 transitions. [2025-02-08 09:24:52,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:24:52,001 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 74 [2025-02-08 09:24:52,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:52,002 INFO L225 Difference]: With dead ends: 501 [2025-02-08 09:24:52,002 INFO L226 Difference]: Without dead ends: 495 [2025-02-08 09:24:52,003 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33, Invalid=76, Unknown=1, NotChecked=0, Total=110 [2025-02-08 09:24:52,003 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 140 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:52,003 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 435 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:24:52,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2025-02-08 09:24:52,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 473. [2025-02-08 09:24:52,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 377 states have (on average 1.4084880636604775) internal successors, (531), 428 states have internal predecessors, (531), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 40 states have call predecessors, (44), 44 states have call successors, (44) [2025-02-08 09:24:52,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 619 transitions. [2025-02-08 09:24:52,030 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 619 transitions. Word has length 74 [2025-02-08 09:24:52,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:52,030 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 619 transitions. [2025-02-08 09:24:52,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:24:52,030 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 619 transitions. [2025-02-08 09:24:52,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-02-08 09:24:52,031 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:52,032 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:52,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:52,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:52,233 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:52,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:52,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1727470173, now seen corresponding path program 1 times [2025-02-08 09:24:52,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:52,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127115432] [2025-02-08 09:24:52,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:52,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:52,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-08 09:24:52,246 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-08 09:24:52,246 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:52,246 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:52,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1533263858] [2025-02-08 09:24:52,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:52,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:52,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:52,251 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:52,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-08 09:24:52,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-08 09:24:52,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-08 09:24:52,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:52,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:52,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:24:52,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:52,600 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-02-08 09:24:52,600 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:24:52,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:52,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127115432] [2025-02-08 09:24:52,696 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:52,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533263858] [2025-02-08 09:24:52,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533263858] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:24:52,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:24:52,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:24:52,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162852570] [2025-02-08 09:24:52,697 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:24:52,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:24:52,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:52,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:24:52,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:24:52,698 INFO L87 Difference]: Start difference. First operand 473 states and 619 transitions. Second operand has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 09:24:52,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:52,887 INFO L93 Difference]: Finished difference Result 473 states and 619 transitions. [2025-02-08 09:24:52,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:24:52,888 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 75 [2025-02-08 09:24:52,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:52,890 INFO L225 Difference]: With dead ends: 473 [2025-02-08 09:24:52,890 INFO L226 Difference]: Without dead ends: 467 [2025-02-08 09:24:52,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:24:52,891 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 117 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:52,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 190 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:52,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2025-02-08 09:24:52,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 465. [2025-02-08 09:24:52,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 375 states have (on average 1.3546666666666667) internal successors, (508), 420 states have internal predecessors, (508), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 40 states have call predecessors, (44), 44 states have call successors, (44) [2025-02-08 09:24:52,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 596 transitions. [2025-02-08 09:24:52,917 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 596 transitions. Word has length 75 [2025-02-08 09:24:52,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:52,917 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 596 transitions. [2025-02-08 09:24:52,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 09:24:52,918 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 596 transitions. [2025-02-08 09:24:52,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-02-08 09:24:52,918 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:52,918 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:52,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-02-08 09:24:53,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2025-02-08 09:24:53,119 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:53,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:53,119 INFO L85 PathProgramCache]: Analyzing trace with hash 2011967884, now seen corresponding path program 1 times [2025-02-08 09:24:53,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:53,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402248932] [2025-02-08 09:24:53,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:53,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:53,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 09:24:53,129 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 09:24:53,129 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:53,129 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:53,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [395389163] [2025-02-08 09:24:53,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:53,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:53,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:53,131 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:53,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-08 09:24:53,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 09:24:53,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 09:24:53,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:53,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:53,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:24:53,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:53,418 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-02-08 09:24:53,418 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:24:53,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:53,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402248932] [2025-02-08 09:24:53,637 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:53,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395389163] [2025-02-08 09:24:53,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395389163] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:24:53,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:24:53,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:24:53,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087221621] [2025-02-08 09:24:53,638 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:24:53,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:24:53,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:53,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:24:53,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:24:53,638 INFO L87 Difference]: Start difference. First operand 465 states and 596 transitions. Second operand has 8 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 09:24:54,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:54,045 INFO L93 Difference]: Finished difference Result 623 states and 827 transitions. [2025-02-08 09:24:54,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:24:54,046 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 76 [2025-02-08 09:24:54,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:54,047 INFO L225 Difference]: With dead ends: 623 [2025-02-08 09:24:54,047 INFO L226 Difference]: Without dead ends: 621 [2025-02-08 09:24:54,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:24:54,048 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 228 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:54,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 366 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:24:54,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2025-02-08 09:24:54,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 551. [2025-02-08 09:24:54,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 451 states have (on average 1.3747228381374723) internal successors, (620), 496 states have internal predecessors, (620), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 50 states have call predecessors, (54), 54 states have call successors, (54) [2025-02-08 09:24:54,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 728 transitions. [2025-02-08 09:24:54,081 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 728 transitions. Word has length 76 [2025-02-08 09:24:54,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:54,082 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 728 transitions. [2025-02-08 09:24:54,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 09:24:54,082 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 728 transitions. [2025-02-08 09:24:54,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-08 09:24:54,083 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:54,083 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:54,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-08 09:24:54,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:54,283 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:54,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:54,284 INFO L85 PathProgramCache]: Analyzing trace with hash -2053504965, now seen corresponding path program 1 times [2025-02-08 09:24:54,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:54,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85243618] [2025-02-08 09:24:54,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:54,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:54,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-08 09:24:54,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:24:54,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:54,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:54,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [768634381] [2025-02-08 09:24:54,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:54,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:54,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:54,297 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:54,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-08 09:24:54,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-08 09:24:54,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:24:54,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:54,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:54,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:24:54,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:54,655 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-02-08 09:24:54,655 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:24:54,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:54,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85243618] [2025-02-08 09:24:54,720 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:54,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768634381] [2025-02-08 09:24:54,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768634381] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:24:54,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:24:54,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:24:54,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595382007] [2025-02-08 09:24:54,720 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:24:54,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:24:54,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:54,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:24:54,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:24:54,722 INFO L87 Difference]: Start difference. First operand 551 states and 728 transitions. Second operand has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 09:24:55,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:55,002 INFO L93 Difference]: Finished difference Result 591 states and 790 transitions. [2025-02-08 09:24:55,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:24:55,002 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 77 [2025-02-08 09:24:55,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:55,004 INFO L225 Difference]: With dead ends: 591 [2025-02-08 09:24:55,004 INFO L226 Difference]: Without dead ends: 587 [2025-02-08 09:24:55,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:24:55,005 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 230 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:55,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 160 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:24:55,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2025-02-08 09:24:55,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 455. [2025-02-08 09:24:55,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 368 states have (on average 1.328804347826087) internal successors, (489), 411 states have internal predecessors, (489), 43 states have call successors, (43), 4 states have call predecessors, (43), 4 states have return successors, (43), 39 states have call predecessors, (43), 43 states have call successors, (43) [2025-02-08 09:24:55,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 575 transitions. [2025-02-08 09:24:55,036 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 575 transitions. Word has length 77 [2025-02-08 09:24:55,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:55,037 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 575 transitions. [2025-02-08 09:24:55,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 09:24:55,037 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 575 transitions. [2025-02-08 09:24:55,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-02-08 09:24:55,037 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:55,037 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:55,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-02-08 09:24:55,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-02-08 09:24:55,238 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:55,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:55,238 INFO L85 PathProgramCache]: Analyzing trace with hash 765855594, now seen corresponding path program 1 times [2025-02-08 09:24:55,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:55,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144987611] [2025-02-08 09:24:55,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:55,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:55,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-08 09:24:55,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-08 09:24:55,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:55,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:55,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [826690099] [2025-02-08 09:24:55,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:55,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:55,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:55,252 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:55,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-08 09:24:55,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-08 09:24:55,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-08 09:24:55,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:55,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:55,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:24:55,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:55,607 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-02-08 09:24:55,607 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:24:55,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:55,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144987611] [2025-02-08 09:24:55,734 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:55,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826690099] [2025-02-08 09:24:55,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826690099] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:24:55,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:24:55,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:24:55,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104592076] [2025-02-08 09:24:55,734 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:24:55,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:24:55,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:55,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:24:55,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:24:55,736 INFO L87 Difference]: Start difference. First operand 455 states and 575 transitions. Second operand has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:24:56,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:56,400 INFO L93 Difference]: Finished difference Result 497 states and 621 transitions. [2025-02-08 09:24:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:24:56,401 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 78 [2025-02-08 09:24:56,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:56,402 INFO L225 Difference]: With dead ends: 497 [2025-02-08 09:24:56,403 INFO L226 Difference]: Without dead ends: 493 [2025-02-08 09:24:56,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:24:56,403 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 192 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:56,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 378 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:24:56,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2025-02-08 09:24:56,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 430. [2025-02-08 09:24:56,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 348 states have (on average 1.2988505747126438) internal successors, (452), 389 states have internal predecessors, (452), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 36 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-08 09:24:56,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 532 transitions. [2025-02-08 09:24:56,430 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 532 transitions. Word has length 78 [2025-02-08 09:24:56,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:56,430 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 532 transitions. [2025-02-08 09:24:56,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-08 09:24:56,431 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 532 transitions. [2025-02-08 09:24:56,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-08 09:24:56,431 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:56,431 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:56,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-02-08 09:24:56,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:56,632 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:56,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:56,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1444926941, now seen corresponding path program 1 times [2025-02-08 09:24:56,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:56,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104791320] [2025-02-08 09:24:56,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:56,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:56,637 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 09:24:56,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 09:24:56,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:56,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:56,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2016329025] [2025-02-08 09:24:56,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:56,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:56,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:56,645 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:56,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-08 09:24:56,678 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 09:24:56,697 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 09:24:56,697 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:56,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:56,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:24:56,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:56,968 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-02-08 09:24:56,968 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:24:57,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:57,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104791320] [2025-02-08 09:24:57,048 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:57,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016329025] [2025-02-08 09:24:57,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016329025] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:24:57,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:24:57,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:24:57,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040005120] [2025-02-08 09:24:57,049 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:24:57,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:24:57,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:57,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:24:57,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:24:57,050 INFO L87 Difference]: Start difference. First operand 430 states and 532 transitions. Second operand has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-02-08 09:24:57,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:57,355 INFO L93 Difference]: Finished difference Result 641 states and 821 transitions. [2025-02-08 09:24:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:24:57,355 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 84 [2025-02-08 09:24:57,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:57,357 INFO L225 Difference]: With dead ends: 641 [2025-02-08 09:24:57,357 INFO L226 Difference]: Without dead ends: 639 [2025-02-08 09:24:57,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:24:57,358 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 326 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:57,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 290 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:24:57,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2025-02-08 09:24:57,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 598. [2025-02-08 09:24:57,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 497 states have (on average 1.3480885311871227) internal successors, (670), 539 states have internal predecessors, (670), 59 states have call successors, (59), 4 states have call predecessors, (59), 4 states have return successors, (59), 54 states have call predecessors, (59), 59 states have call successors, (59) [2025-02-08 09:24:57,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 788 transitions. [2025-02-08 09:24:57,405 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 788 transitions. Word has length 84 [2025-02-08 09:24:57,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:57,405 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 788 transitions. [2025-02-08 09:24:57,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-02-08 09:24:57,405 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 788 transitions. [2025-02-08 09:24:57,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-08 09:24:57,406 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:57,406 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:57,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:57,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:57,607 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:57,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:57,607 INFO L85 PathProgramCache]: Analyzing trace with hash 197552287, now seen corresponding path program 1 times [2025-02-08 09:24:57,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:57,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800988188] [2025-02-08 09:24:57,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:57,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:57,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-08 09:24:57,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-08 09:24:57,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:57,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:57,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [496456526] [2025-02-08 09:24:57,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:57,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:57,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:57,620 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:57,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-08 09:24:57,645 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-08 09:24:57,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-08 09:24:57,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:57,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:57,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-08 09:24:57,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:24:58,240 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-02-08 09:24:58,240 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:24:58,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:24:58,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800988188] [2025-02-08 09:24:58,300 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:24:58,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496456526] [2025-02-08 09:24:58,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496456526] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:24:58,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:24:58,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-08 09:24:58,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241222763] [2025-02-08 09:24:58,300 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:24:58,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:24:58,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:24:58,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:24:58,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:24:58,301 INFO L87 Difference]: Start difference. First operand 598 states and 788 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 5 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) [2025-02-08 09:24:59,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:24:59,459 INFO L93 Difference]: Finished difference Result 802 states and 1084 transitions. [2025-02-08 09:24:59,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 09:24:59,459 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 5 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) Word has length 88 [2025-02-08 09:24:59,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:24:59,462 INFO L225 Difference]: With dead ends: 802 [2025-02-08 09:24:59,462 INFO L226 Difference]: Without dead ends: 767 [2025-02-08 09:24:59,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:24:59,463 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 390 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 1896 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 1918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:24:59,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 437 Invalid, 1918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1896 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:24:59,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2025-02-08 09:24:59,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 606. [2025-02-08 09:24:59,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 505 states have (on average 1.384158415841584) internal successors, (699), 546 states have internal predecessors, (699), 59 states have call successors, (59), 4 states have call predecessors, (59), 4 states have return successors, (59), 55 states have call predecessors, (59), 59 states have call successors, (59) [2025-02-08 09:24:59,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 817 transitions. [2025-02-08 09:24:59,503 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 817 transitions. Word has length 88 [2025-02-08 09:24:59,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:24:59,503 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 817 transitions. [2025-02-08 09:24:59,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 5 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) [2025-02-08 09:24:59,503 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 817 transitions. [2025-02-08 09:24:59,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-02-08 09:24:59,504 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:24:59,504 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:24:59,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-02-08 09:24:59,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-02-08 09:24:59,705 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:24:59,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:24:59,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1829153657, now seen corresponding path program 1 times [2025-02-08 09:24:59,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:24:59,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485206926] [2025-02-08 09:24:59,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:59,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:24:59,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-08 09:24:59,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-08 09:24:59,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:59,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:24:59,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [876000180] [2025-02-08 09:24:59,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:24:59,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:24:59,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:24:59,717 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:24:59,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-08 09:24:59,744 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-08 09:24:59,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-08 09:24:59,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:24:59,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:24:59,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:24:59,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:00,036 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-02-08 09:25:00,037 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:00,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:00,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485206926] [2025-02-08 09:25:00,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:00,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876000180] [2025-02-08 09:25:00,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876000180] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:00,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:00,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:25:00,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297018676] [2025-02-08 09:25:00,132 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:00,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:25:00,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:00,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:25:00,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:25:00,133 INFO L87 Difference]: Start difference. First operand 606 states and 817 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-02-08 09:25:00,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:00,809 INFO L93 Difference]: Finished difference Result 671 states and 903 transitions. [2025-02-08 09:25:00,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:25:00,810 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 89 [2025-02-08 09:25:00,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:00,812 INFO L225 Difference]: With dead ends: 671 [2025-02-08 09:25:00,812 INFO L226 Difference]: Without dead ends: 667 [2025-02-08 09:25:00,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:25:00,813 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 189 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:00,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 421 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:25:00,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2025-02-08 09:25:00,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 639. [2025-02-08 09:25:00,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 537 states have (on average 1.3873370577281192) internal successors, (745), 575 states have internal predecessors, (745), 62 states have call successors, (62), 4 states have call predecessors, (62), 4 states have return successors, (62), 59 states have call predecessors, (62), 62 states have call successors, (62) [2025-02-08 09:25:00,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 869 transitions. [2025-02-08 09:25:00,848 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 869 transitions. Word has length 89 [2025-02-08 09:25:00,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:00,848 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 869 transitions. [2025-02-08 09:25:00,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-02-08 09:25:00,848 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 869 transitions. [2025-02-08 09:25:00,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-08 09:25:00,849 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:00,849 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:00,857 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-02-08 09:25:01,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-02-08 09:25:01,050 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:25:01,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:01,050 INFO L85 PathProgramCache]: Analyzing trace with hash 2095618311, now seen corresponding path program 1 times [2025-02-08 09:25:01,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:01,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230337535] [2025-02-08 09:25:01,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:01,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:01,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 09:25:01,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:25:01,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:01,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:01,143 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:01,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:01,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230337535] [2025-02-08 09:25:01,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230337535] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:01,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929580986] [2025-02-08 09:25:01,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:01,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:01,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:01,147 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:01,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-02-08 09:25:01,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 09:25:01,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:25:01,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:01,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:01,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:25:01,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:01,409 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:01,409 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:01,528 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:01,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929580986] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:25:01,529 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:25:01,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-02-08 09:25:01,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918644678] [2025-02-08 09:25:01,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:01,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:25:01,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:01,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:25:01,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:25:01,530 INFO L87 Difference]: Start difference. First operand 639 states and 869 transitions. Second operand has 11 states, 10 states have (on average 18.0) internal successors, (180), 11 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-02-08 09:25:02,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:02,107 INFO L93 Difference]: Finished difference Result 1062 states and 1391 transitions. [2025-02-08 09:25:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:25:02,108 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 18.0) internal successors, (180), 11 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 98 [2025-02-08 09:25:02,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:02,110 INFO L225 Difference]: With dead ends: 1062 [2025-02-08 09:25:02,110 INFO L226 Difference]: Without dead ends: 1060 [2025-02-08 09:25:02,111 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=249, Unknown=0, NotChecked=0, Total=380 [2025-02-08 09:25:02,111 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 794 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 797 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:02,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [797 Valid, 533 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:25:02,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2025-02-08 09:25:02,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 841. [2025-02-08 09:25:02,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 721 states have (on average 1.3661581137309293) internal successors, (985), 759 states have internal predecessors, (985), 80 states have call successors, (80), 4 states have call predecessors, (80), 4 states have return successors, (80), 77 states have call predecessors, (80), 80 states have call successors, (80) [2025-02-08 09:25:02,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1145 transitions. [2025-02-08 09:25:02,149 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1145 transitions. Word has length 98 [2025-02-08 09:25:02,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:02,149 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1145 transitions. [2025-02-08 09:25:02,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 18.0) internal successors, (180), 11 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-02-08 09:25:02,149 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1145 transitions. [2025-02-08 09:25:02,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-08 09:25:02,150 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:02,150 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:02,156 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-02-08 09:25:02,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-02-08 09:25:02,350 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:25:02,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:02,351 INFO L85 PathProgramCache]: Analyzing trace with hash 2095619656, now seen corresponding path program 1 times [2025-02-08 09:25:02,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:02,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35796876] [2025-02-08 09:25:02,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:02,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:02,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 09:25:02,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:25:02,359 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:02,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:02,430 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:02,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:02,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35796876] [2025-02-08 09:25:02,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35796876] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:02,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258405851] [2025-02-08 09:25:02,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:02,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:02,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:02,433 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:02,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-02-08 09:25:02,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 09:25:02,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:25:02,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:02,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:02,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:25:02,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:02,642 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:02,642 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:02,786 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:02,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258405851] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:25:02,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:25:02,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-02-08 09:25:02,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312453789] [2025-02-08 09:25:02,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:02,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:25:02,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:02,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:25:02,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:25:02,787 INFO L87 Difference]: Start difference. First operand 841 states and 1145 transitions. Second operand has 14 states, 13 states have (on average 13.846153846153847) internal successors, (180), 14 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-02-08 09:25:03,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:03,623 INFO L93 Difference]: Finished difference Result 1388 states and 1822 transitions. [2025-02-08 09:25:03,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-02-08 09:25:03,623 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.846153846153847) internal successors, (180), 14 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 98 [2025-02-08 09:25:03,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:03,627 INFO L225 Difference]: With dead ends: 1388 [2025-02-08 09:25:03,627 INFO L226 Difference]: Without dead ends: 1386 [2025-02-08 09:25:03,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=524, Invalid=1368, Unknown=0, NotChecked=0, Total=1892 [2025-02-08 09:25:03,628 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 1708 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1708 SdHoareTripleChecker+Valid, 725 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:03,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1708 Valid, 725 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:25:03,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1386 states. [2025-02-08 09:25:03,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1386 to 968. [2025-02-08 09:25:03,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 835 states have (on average 1.3676646706586826) internal successors, (1142), 873 states have internal predecessors, (1142), 93 states have call successors, (93), 4 states have call predecessors, (93), 4 states have return successors, (93), 90 states have call predecessors, (93), 93 states have call successors, (93) [2025-02-08 09:25:03,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1328 transitions. [2025-02-08 09:25:03,680 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1328 transitions. Word has length 98 [2025-02-08 09:25:03,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:03,680 INFO L471 AbstractCegarLoop]: Abstraction has 968 states and 1328 transitions. [2025-02-08 09:25:03,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.846153846153847) internal successors, (180), 14 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-02-08 09:25:03,680 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1328 transitions. [2025-02-08 09:25:03,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-08 09:25:03,681 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:03,681 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:03,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:03,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:03,881 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:25:03,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:03,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1685416871, now seen corresponding path program 1 times [2025-02-08 09:25:03,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:03,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305849916] [2025-02-08 09:25:03,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:03,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:03,890 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 09:25:03,898 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:25:03,898 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:03,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:03,966 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:03,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:03,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305849916] [2025-02-08 09:25:03,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305849916] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:03,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216548786] [2025-02-08 09:25:03,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:03,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:03,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:03,969 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:03,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-02-08 09:25:03,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 09:25:04,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:25:04,019 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:04,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:04,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:25:04,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:04,222 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:04,222 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:04,354 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:04,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216548786] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:25:04,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:25:04,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-02-08 09:25:04,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792986863] [2025-02-08 09:25:04,354 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:04,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:25:04,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:04,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:25:04,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:25:04,355 INFO L87 Difference]: Start difference. First operand 968 states and 1328 transitions. Second operand has 11 states, 10 states have (on average 18.0) internal successors, (180), 11 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-02-08 09:25:04,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:04,928 INFO L93 Difference]: Finished difference Result 1365 states and 1800 transitions. [2025-02-08 09:25:04,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:25:04,929 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 18.0) internal successors, (180), 11 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 98 [2025-02-08 09:25:04,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:04,932 INFO L225 Difference]: With dead ends: 1365 [2025-02-08 09:25:04,932 INFO L226 Difference]: Without dead ends: 1363 [2025-02-08 09:25:04,933 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=249, Unknown=0, NotChecked=0, Total=380 [2025-02-08 09:25:04,933 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 793 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:04,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 648 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:25:04,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2025-02-08 09:25:04,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1037. [2025-02-08 09:25:04,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 898 states have (on average 1.3530066815144766) internal successors, (1215), 936 states have internal predecessors, (1215), 99 states have call successors, (99), 4 states have call predecessors, (99), 4 states have return successors, (99), 96 states have call predecessors, (99), 99 states have call successors, (99) [2025-02-08 09:25:05,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1413 transitions. [2025-02-08 09:25:05,000 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1413 transitions. Word has length 98 [2025-02-08 09:25:05,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:05,000 INFO L471 AbstractCegarLoop]: Abstraction has 1037 states and 1413 transitions. [2025-02-08 09:25:05,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 18.0) internal successors, (180), 11 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-02-08 09:25:05,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1413 transitions. [2025-02-08 09:25:05,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-08 09:25:05,001 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:05,001 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:05,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-02-08 09:25:05,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-02-08 09:25:05,202 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:25:05,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:05,202 INFO L85 PathProgramCache]: Analyzing trace with hash 708315494, now seen corresponding path program 1 times [2025-02-08 09:25:05,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:05,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133198075] [2025-02-08 09:25:05,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:05,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:05,206 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-08 09:25:05,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-08 09:25:05,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:05,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:05,268 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:05,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:05,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133198075] [2025-02-08 09:25:05,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133198075] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:05,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833707924] [2025-02-08 09:25:05,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:05,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:05,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:05,272 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:05,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-02-08 09:25:05,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-08 09:25:05,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-08 09:25:05,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:05,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:05,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:25:05,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:05,501 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:05,501 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:05,628 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:05,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833707924] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:25:05,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:25:05,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-02-08 09:25:05,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339112362] [2025-02-08 09:25:05,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:05,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:25:05,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:05,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:25:05,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:25:05,630 INFO L87 Difference]: Start difference. First operand 1037 states and 1413 transitions. Second operand has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-02-08 09:25:06,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:06,095 INFO L93 Difference]: Finished difference Result 1583 states and 2185 transitions. [2025-02-08 09:25:06,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:25:06,096 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 99 [2025-02-08 09:25:06,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:06,102 INFO L225 Difference]: With dead ends: 1583 [2025-02-08 09:25:06,102 INFO L226 Difference]: Without dead ends: 1581 [2025-02-08 09:25:06,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:25:06,103 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 268 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:06,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 379 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:25:06,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2025-02-08 09:25:06,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1176. [2025-02-08 09:25:06,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 1025 states have (on average 1.358048780487805) internal successors, (1392), 1063 states have internal predecessors, (1392), 111 states have call successors, (111), 4 states have call predecessors, (111), 4 states have return successors, (111), 108 states have call predecessors, (111), 111 states have call successors, (111) [2025-02-08 09:25:06,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1614 transitions. [2025-02-08 09:25:06,183 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1614 transitions. Word has length 99 [2025-02-08 09:25:06,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:06,184 INFO L471 AbstractCegarLoop]: Abstraction has 1176 states and 1614 transitions. [2025-02-08 09:25:06,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-02-08 09:25:06,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1614 transitions. [2025-02-08 09:25:06,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-08 09:25:06,185 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:06,185 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:06,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:06,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:06,389 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:25:06,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:06,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1079478952, now seen corresponding path program 1 times [2025-02-08 09:25:06,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:06,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677924573] [2025-02-08 09:25:06,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:06,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:06,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 09:25:06,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 09:25:06,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:06,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:06,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:06,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677924573] [2025-02-08 09:25:06,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677924573] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:06,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468739139] [2025-02-08 09:25:06,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:06,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:06,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:06,465 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:06,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-02-08 09:25:06,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-02-08 09:25:06,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-02-08 09:25:06,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:06,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:06,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:25:06,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:06,709 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:06,709 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:06,838 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:06,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468739139] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:25:06,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:25:06,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-02-08 09:25:06,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526206806] [2025-02-08 09:25:06,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:06,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:25:06,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:06,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:25:06,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:25:06,839 INFO L87 Difference]: Start difference. First operand 1176 states and 1614 transitions. Second operand has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 8 states have internal predecessors, (187), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-02-08 09:25:07,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:07,308 INFO L93 Difference]: Finished difference Result 1867 states and 2606 transitions. [2025-02-08 09:25:07,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:25:07,308 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 8 states have internal predecessors, (187), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 101 [2025-02-08 09:25:07,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:07,315 INFO L225 Difference]: With dead ends: 1867 [2025-02-08 09:25:07,315 INFO L226 Difference]: Without dead ends: 1865 [2025-02-08 09:25:07,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:25:07,316 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 244 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:07,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 382 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:25:07,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1865 states. [2025-02-08 09:25:07,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1865 to 1357. [2025-02-08 09:25:07,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1357 states, 1191 states have (on average 1.364399664147775) internal successors, (1625), 1229 states have internal predecessors, (1625), 126 states have call successors, (126), 4 states have call predecessors, (126), 4 states have return successors, (126), 123 states have call predecessors, (126), 126 states have call successors, (126) [2025-02-08 09:25:07,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1877 transitions. [2025-02-08 09:25:07,413 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1877 transitions. Word has length 101 [2025-02-08 09:25:07,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:07,413 INFO L471 AbstractCegarLoop]: Abstraction has 1357 states and 1877 transitions. [2025-02-08 09:25:07,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 8 states have internal predecessors, (187), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-02-08 09:25:07,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1877 transitions. [2025-02-08 09:25:07,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-08 09:25:07,414 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:07,414 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:07,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-02-08 09:25:07,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:07,614 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:25:07,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:07,615 INFO L85 PathProgramCache]: Analyzing trace with hash -729371684, now seen corresponding path program 1 times [2025-02-08 09:25:07,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:07,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278311734] [2025-02-08 09:25:07,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:07,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:07,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-08 09:25:07,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-08 09:25:07,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:07,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:07,720 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:07,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:07,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278311734] [2025-02-08 09:25:07,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278311734] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:07,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692457085] [2025-02-08 09:25:07,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:07,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:07,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:07,723 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:07,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-02-08 09:25:07,750 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-08 09:25:07,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-08 09:25:07,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:07,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:07,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:25:07,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:07,904 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 71 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:25:07,905 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:08,036 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:08,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692457085] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:25:08,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:25:08,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 8] total 11 [2025-02-08 09:25:08,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876607475] [2025-02-08 09:25:08,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:08,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:25:08,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:08,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:25:08,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:25:08,039 INFO L87 Difference]: Start difference. First operand 1357 states and 1877 transitions. Second operand has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 4 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2025-02-08 09:25:08,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:08,153 INFO L93 Difference]: Finished difference Result 1517 states and 2070 transitions. [2025-02-08 09:25:08,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:25:08,154 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 4 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 107 [2025-02-08 09:25:08,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:08,155 INFO L225 Difference]: With dead ends: 1517 [2025-02-08 09:25:08,155 INFO L226 Difference]: Without dead ends: 309 [2025-02-08 09:25:08,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 207 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:25:08,157 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 125 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:08,158 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 583 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:25:08,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2025-02-08 09:25:08,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2025-02-08 09:25:08,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 260 states have (on average 1.1615384615384616) internal successors, (302), 278 states have internal predecessors, (302), 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) [2025-02-08 09:25:08,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 356 transitions. [2025-02-08 09:25:08,179 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 356 transitions. Word has length 107 [2025-02-08 09:25:08,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:08,179 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 356 transitions. [2025-02-08 09:25:08,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 4 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2025-02-08 09:25:08,179 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 356 transitions. [2025-02-08 09:25:08,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-02-08 09:25:08,180 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:08,180 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:08,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:08,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:08,380 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:25:08,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:08,381 INFO L85 PathProgramCache]: Analyzing trace with hash -429674411, now seen corresponding path program 1 times [2025-02-08 09:25:08,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:08,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714583233] [2025-02-08 09:25:08,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:08,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:08,385 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-02-08 09:25:08,391 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-02-08 09:25:08,391 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:08,391 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:08,460 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:25:08,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:08,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714583233] [2025-02-08 09:25:08,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714583233] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:08,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929390504] [2025-02-08 09:25:08,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:08,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:08,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:08,463 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:08,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-02-08 09:25:08,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-02-08 09:25:08,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-02-08 09:25:08,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:08,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:08,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:25:08,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:08,571 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:25:08,571 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:08,677 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:25:08,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929390504] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:25:08,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:25:08,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-02-08 09:25:08,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720010363] [2025-02-08 09:25:08,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:08,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:25:08,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:08,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:25:08,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:25:08,679 INFO L87 Difference]: Start difference. First operand 309 states and 356 transitions. Second operand has 10 states, 9 states have (on average 9.11111111111111) internal successors, (82), 10 states have internal predecessors, (82), 6 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2025-02-08 09:25:09,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:09,404 INFO L93 Difference]: Finished difference Result 322 states and 369 transitions. [2025-02-08 09:25:09,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:25:09,404 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.11111111111111) internal successors, (82), 10 states have internal predecessors, (82), 6 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) Word has length 109 [2025-02-08 09:25:09,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:09,405 INFO L225 Difference]: With dead ends: 322 [2025-02-08 09:25:09,405 INFO L226 Difference]: Without dead ends: 321 [2025-02-08 09:25:09,406 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:25:09,406 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 166 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:09,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 182 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:25:09,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2025-02-08 09:25:09,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 309. [2025-02-08 09:25:09,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 260 states have (on average 1.15) internal successors, (299), 278 states have internal predecessors, (299), 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) [2025-02-08 09:25:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 353 transitions. [2025-02-08 09:25:09,435 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 353 transitions. Word has length 109 [2025-02-08 09:25:09,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:09,435 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 353 transitions. [2025-02-08 09:25:09,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.11111111111111) internal successors, (82), 10 states have internal predecessors, (82), 6 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2025-02-08 09:25:09,435 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 353 transitions. [2025-02-08 09:25:09,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-02-08 09:25:09,436 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:09,436 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:09,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2025-02-08 09:25:09,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2025-02-08 09:25:09,637 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:25:09,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:09,637 INFO L85 PathProgramCache]: Analyzing trace with hash 148745726, now seen corresponding path program 1 times [2025-02-08 09:25:09,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:09,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125435570] [2025-02-08 09:25:09,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:09,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:09,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-08 09:25:09,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-08 09:25:09,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:09,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:09,718 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:09,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:09,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125435570] [2025-02-08 09:25:09,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125435570] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:09,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511228383] [2025-02-08 09:25:09,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:09,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:09,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:09,721 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:09,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-02-08 09:25:09,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-08 09:25:09,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-08 09:25:09,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:09,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:09,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:25:09,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:10,045 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:10,045 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:10,223 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-08 09:25:10,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511228383] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:25:10,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:25:10,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 14 [2025-02-08 09:25:10,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941621419] [2025-02-08 09:25:10,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:10,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:25:10,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:10,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:25:10,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:25:10,226 INFO L87 Difference]: Start difference. First operand 309 states and 353 transitions. Second operand has 15 states, 14 states have (on average 15.0) internal successors, (210), 15 states have internal predecessors, (210), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-02-08 09:25:11,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:11,164 INFO L93 Difference]: Finished difference Result 357 states and 396 transitions. [2025-02-08 09:25:11,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:25:11,164 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 15.0) internal successors, (210), 15 states have internal predecessors, (210), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 108 [2025-02-08 09:25:11,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:11,165 INFO L225 Difference]: With dead ends: 357 [2025-02-08 09:25:11,165 INFO L226 Difference]: Without dead ends: 356 [2025-02-08 09:25:11,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=274, Invalid=718, Unknown=0, NotChecked=0, Total=992 [2025-02-08 09:25:11,166 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 1032 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:11,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1032 Valid, 783 Invalid, 1049 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:25:11,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2025-02-08 09:25:11,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 308. [2025-02-08 09:25:11,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 260 states have (on average 1.146153846153846) internal successors, (298), 277 states have internal predecessors, (298), 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) [2025-02-08 09:25:11,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 352 transitions. [2025-02-08 09:25:11,204 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 352 transitions. Word has length 108 [2025-02-08 09:25:11,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:11,205 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 352 transitions. [2025-02-08 09:25:11,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 15.0) internal successors, (210), 15 states have internal predecessors, (210), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-02-08 09:25:11,205 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 352 transitions. [2025-02-08 09:25:11,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-02-08 09:25:11,205 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:11,205 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:11,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:11,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,40 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:11,406 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:25:11,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:11,406 INFO L85 PathProgramCache]: Analyzing trace with hash -435004847, now seen corresponding path program 1 times [2025-02-08 09:25:11,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:11,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122739875] [2025-02-08 09:25:11,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:11,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:11,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-08 09:25:11,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-08 09:25:11,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:11,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:25:11,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:11,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122739875] [2025-02-08 09:25:11,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122739875] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:25:11,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:25:11,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:25:11,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020637015] [2025-02-08 09:25:11,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:25:11,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:25:11,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:11,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:25:11,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:25:11,476 INFO L87 Difference]: Start difference. First operand 308 states and 352 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-08 09:25:12,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:12,025 INFO L93 Difference]: Finished difference Result 338 states and 380 transitions. [2025-02-08 09:25:12,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:25:12,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 110 [2025-02-08 09:25:12,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:12,026 INFO L225 Difference]: With dead ends: 338 [2025-02-08 09:25:12,026 INFO L226 Difference]: Without dead ends: 337 [2025-02-08 09:25:12,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:25:12,027 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 158 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:12,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 227 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:25:12,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2025-02-08 09:25:12,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 308. [2025-02-08 09:25:12,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 260 states have (on average 1.1423076923076922) internal successors, (297), 277 states have internal predecessors, (297), 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) [2025-02-08 09:25:12,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 351 transitions. [2025-02-08 09:25:12,048 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 351 transitions. Word has length 110 [2025-02-08 09:25:12,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:12,048 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 351 transitions. [2025-02-08 09:25:12,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-08 09:25:12,048 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 351 transitions. [2025-02-08 09:25:12,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-02-08 09:25:12,049 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:12,049 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:12,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2025-02-08 09:25:12,049 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:25:12,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:12,049 INFO L85 PathProgramCache]: Analyzing trace with hash -816480895, now seen corresponding path program 1 times [2025-02-08 09:25:12,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:12,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889319547] [2025-02-08 09:25:12,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:12,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:12,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-02-08 09:25:12,062 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-02-08 09:25:12,062 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:12,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:12,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [10868583] [2025-02-08 09:25:12,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:12,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:12,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:12,065 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:12,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-02-08 09:25:12,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-02-08 09:25:12,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-02-08 09:25:12,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:12,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:12,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:25:12,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:12,583 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:25:12,583 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:12,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:12,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889319547] [2025-02-08 09:25:12,754 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:12,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10868583] [2025-02-08 09:25:12,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10868583] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:12,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:12,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:25:12,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931804942] [2025-02-08 09:25:12,754 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:12,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:25:12,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:12,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:25:12,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:25:12,755 INFO L87 Difference]: Start difference. First operand 308 states and 351 transitions. Second operand has 9 states, 8 states have (on average 9.5) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-08 09:25:13,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:13,130 INFO L93 Difference]: Finished difference Result 328 states and 373 transitions. [2025-02-08 09:25:13,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:25:13,130 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 115 [2025-02-08 09:25:13,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:13,131 INFO L225 Difference]: With dead ends: 328 [2025-02-08 09:25:13,131 INFO L226 Difference]: Without dead ends: 327 [2025-02-08 09:25:13,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:25:13,132 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 146 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:13,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 291 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:25:13,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2025-02-08 09:25:13,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 307. [2025-02-08 09:25:13,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 260 states have (on average 1.1384615384615384) internal successors, (296), 276 states have internal predecessors, (296), 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) [2025-02-08 09:25:13,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 350 transitions. [2025-02-08 09:25:13,158 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 350 transitions. Word has length 115 [2025-02-08 09:25:13,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:13,159 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 350 transitions. [2025-02-08 09:25:13,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-08 09:25:13,159 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 350 transitions. [2025-02-08 09:25:13,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-02-08 09:25:13,159 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:13,159 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:13,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2025-02-08 09:25:13,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-02-08 09:25:13,360 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:25:13,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:13,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1135845616, now seen corresponding path program 1 times [2025-02-08 09:25:13,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:13,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361423189] [2025-02-08 09:25:13,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:13,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:13,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-02-08 09:25:13,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-02-08 09:25:13,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:13,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:13,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1418949039] [2025-02-08 09:25:13,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:13,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:13,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:13,381 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:13,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-02-08 09:25:13,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-02-08 09:25:13,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-02-08 09:25:13,434 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:13,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:13,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:25:13,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:13,897 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 18 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2025-02-08 09:25:13,897 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:15,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:15,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361423189] [2025-02-08 09:25:15,509 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:15,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418949039] [2025-02-08 09:25:15,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418949039] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:15,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:15,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:25:15,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318564515] [2025-02-08 09:25:15,509 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:15,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:25:15,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:15,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:25:15,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=215, Unknown=1, NotChecked=0, Total=272 [2025-02-08 09:25:15,510 INFO L87 Difference]: Start difference. First operand 307 states and 350 transitions. Second operand has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-08 09:25:16,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:16,093 INFO L93 Difference]: Finished difference Result 327 states and 372 transitions. [2025-02-08 09:25:16,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:25:16,093 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 116 [2025-02-08 09:25:16,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:16,094 INFO L225 Difference]: With dead ends: 327 [2025-02-08 09:25:16,094 INFO L226 Difference]: Without dead ends: 326 [2025-02-08 09:25:16,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=116, Invalid=389, Unknown=1, NotChecked=0, Total=506 [2025-02-08 09:25:16,095 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 228 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:16,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 424 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:25:16,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2025-02-08 09:25:16,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 306. [2025-02-08 09:25:16,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 260 states have (on average 1.1346153846153846) internal successors, (295), 275 states have internal predecessors, (295), 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) [2025-02-08 09:25:16,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 349 transitions. [2025-02-08 09:25:16,118 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 349 transitions. Word has length 116 [2025-02-08 09:25:16,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:16,118 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 349 transitions. [2025-02-08 09:25:16,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-08 09:25:16,118 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 349 transitions. [2025-02-08 09:25:16,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-08 09:25:16,119 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:16,119 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:16,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2025-02-08 09:25:16,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-02-08 09:25:16,320 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:25:16,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:16,320 INFO L85 PathProgramCache]: Analyzing trace with hash -236133748, now seen corresponding path program 1 times [2025-02-08 09:25:16,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:16,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660886581] [2025-02-08 09:25:16,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:16,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:16,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-08 09:25:16,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-08 09:25:16,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:16,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:16,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1747301177] [2025-02-08 09:25:16,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:16,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:16,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:16,337 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:16,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-02-08 09:25:16,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-08 09:25:16,382 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-08 09:25:16,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:16,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:16,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-02-08 09:25:16,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:17,102 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 18 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2025-02-08 09:25:17,102 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:17,759 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 18 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2025-02-08 09:25:17,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:17,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660886581] [2025-02-08 09:25:17,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:17,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747301177] [2025-02-08 09:25:17,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747301177] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:25:17,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:25:17,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2025-02-08 09:25:17,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049155080] [2025-02-08 09:25:17,759 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:17,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-08 09:25:17,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:17,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-08 09:25:17,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2025-02-08 09:25:17,760 INFO L87 Difference]: Start difference. First operand 306 states and 349 transitions. Second operand has 20 states, 19 states have (on average 8.421052631578947) internal successors, (160), 20 states have internal predecessors, (160), 7 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2025-02-08 09:25:20,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:20,709 INFO L93 Difference]: Finished difference Result 330 states and 375 transitions. [2025-02-08 09:25:20,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-08 09:25:20,710 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.421052631578947) internal successors, (160), 20 states have internal predecessors, (160), 7 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 120 [2025-02-08 09:25:20,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:20,711 INFO L225 Difference]: With dead ends: 330 [2025-02-08 09:25:20,711 INFO L226 Difference]: Without dead ends: 327 [2025-02-08 09:25:20,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=196, Invalid=860, Unknown=0, NotChecked=0, Total=1056 [2025-02-08 09:25:20,711 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 462 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 1967 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 2055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:20,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 377 Invalid, 2055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1967 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-02-08 09:25:20,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2025-02-08 09:25:20,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 314. [2025-02-08 09:25:20,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 267 states have (on average 1.1273408239700375) internal successors, (301), 282 states have internal predecessors, (301), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 09:25:20,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 357 transitions. [2025-02-08 09:25:20,738 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 357 transitions. Word has length 120 [2025-02-08 09:25:20,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:20,738 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 357 transitions. [2025-02-08 09:25:20,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.421052631578947) internal successors, (160), 20 states have internal predecessors, (160), 7 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2025-02-08 09:25:20,738 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 357 transitions. [2025-02-08 09:25:20,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-02-08 09:25:20,740 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:20,740 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:20,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2025-02-08 09:25:20,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2025-02-08 09:25:20,941 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:25:20,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:20,941 INFO L85 PathProgramCache]: Analyzing trace with hash -117454202, now seen corresponding path program 1 times [2025-02-08 09:25:20,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:20,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555439642] [2025-02-08 09:25:20,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:20,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:20,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-08 09:25:20,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-08 09:25:20,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:20,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:21,026 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 24 proven. 12 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2025-02-08 09:25:21,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:21,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555439642] [2025-02-08 09:25:21,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555439642] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:21,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654485347] [2025-02-08 09:25:21,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:21,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:21,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:21,029 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:21,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-02-08 09:25:21,068 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-08 09:25:21,090 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-08 09:25:21,090 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:21,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:21,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:25:21,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:21,370 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-02-08 09:25:21,371 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:25:21,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654485347] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:25:21,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:21,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-08 09:25:21,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462786767] [2025-02-08 09:25:21,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:25:21,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:25:21,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:21,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:25:21,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:25:21,373 INFO L87 Difference]: Start difference. First operand 314 states and 357 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:25:21,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:21,506 INFO L93 Difference]: Finished difference Result 324 states and 366 transitions. [2025-02-08 09:25:21,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:25:21,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 121 [2025-02-08 09:25:21,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:21,508 INFO L225 Difference]: With dead ends: 324 [2025-02-08 09:25:21,508 INFO L226 Difference]: Without dead ends: 322 [2025-02-08 09:25:21,508 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:25:21,508 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 16 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:21,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 125 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:25:21,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2025-02-08 09:25:21,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 314. [2025-02-08 09:25:21,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 267 states have (on average 1.1123595505617978) internal successors, (297), 282 states have internal predecessors, (297), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 09:25:21,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 353 transitions. [2025-02-08 09:25:21,533 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 353 transitions. Word has length 121 [2025-02-08 09:25:21,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:21,534 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 353 transitions. [2025-02-08 09:25:21,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:25:21,534 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 353 transitions. [2025-02-08 09:25:21,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-08 09:25:21,534 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:21,534 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:21,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2025-02-08 09:25:21,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,44 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:21,735 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:25:21,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:21,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1466315093, now seen corresponding path program 1 times [2025-02-08 09:25:21,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:21,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736763229] [2025-02-08 09:25:21,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:21,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:21,740 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-08 09:25:21,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-08 09:25:21,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:21,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:21,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [666039166] [2025-02-08 09:25:21,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:21,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:21,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:21,756 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:21,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-02-08 09:25:21,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-08 09:25:21,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-08 09:25:21,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:21,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:21,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-02-08 09:25:21,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:22,626 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 18 proven. 35 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2025-02-08 09:25:22,627 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:23,758 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 18 proven. 35 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2025-02-08 09:25:23,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:23,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736763229] [2025-02-08 09:25:23,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:23,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666039166] [2025-02-08 09:25:23,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666039166] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:25:23,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:25:23,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 21 [2025-02-08 09:25:23,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715545145] [2025-02-08 09:25:23,759 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:23,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-08 09:25:23,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:23,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-08 09:25:23,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:25:23,760 INFO L87 Difference]: Start difference. First operand 314 states and 353 transitions. Second operand has 22 states, 21 states have (on average 7.666666666666667) internal successors, (161), 22 states have internal predecessors, (161), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2025-02-08 09:25:28,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:25:32,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:25:38,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:25:42,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:25:47,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:25:47,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:47,574 INFO L93 Difference]: Finished difference Result 342 states and 385 transitions. [2025-02-08 09:25:47,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-02-08 09:25:47,574 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.666666666666667) internal successors, (161), 22 states have internal predecessors, (161), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) Word has length 120 [2025-02-08 09:25:47,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:47,576 INFO L225 Difference]: With dead ends: 342 [2025-02-08 09:25:47,576 INFO L226 Difference]: Without dead ends: 341 [2025-02-08 09:25:47,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=333, Invalid=1307, Unknown=0, NotChecked=0, Total=1640 [2025-02-08 09:25:47,577 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 339 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 2698 mSolverCounterSat, 53 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 2753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 2698 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:47,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 533 Invalid, 2753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 2698 Invalid, 2 Unknown, 0 Unchecked, 22.4s Time] [2025-02-08 09:25:47,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2025-02-08 09:25:47,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 313. [2025-02-08 09:25:47,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 267 states have (on average 1.1086142322097379) internal successors, (296), 281 states have internal predecessors, (296), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 09:25:47,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 352 transitions. [2025-02-08 09:25:47,620 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 352 transitions. Word has length 120 [2025-02-08 09:25:47,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:47,621 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 352 transitions. [2025-02-08 09:25:47,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.666666666666667) internal successors, (161), 22 states have internal predecessors, (161), 8 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2025-02-08 09:25:47,621 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 352 transitions. [2025-02-08 09:25:47,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-02-08 09:25:47,622 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:47,622 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:47,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2025-02-08 09:25:47,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,45 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:47,827 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:25:47,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:47,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1269788410, now seen corresponding path program 1 times [2025-02-08 09:25:47,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:47,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546150788] [2025-02-08 09:25:47,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:47,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:47,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-08 09:25:47,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-08 09:25:47,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:47,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:47,959 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 49 proven. 10 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2025-02-08 09:25:47,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:47,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546150788] [2025-02-08 09:25:47,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546150788] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:47,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789960958] [2025-02-08 09:25:47,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:47,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:47,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:47,962 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:47,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-02-08 09:25:47,990 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-08 09:25:48,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-08 09:25:48,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:48,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:48,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:25:48,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:48,086 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 49 proven. 10 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2025-02-08 09:25:48,086 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:48,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789960958] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:48,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:25:48,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2025-02-08 09:25:48,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85739885] [2025-02-08 09:25:48,316 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:48,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:25:48,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:48,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:25:48,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:25:48,317 INFO L87 Difference]: Start difference. First operand 313 states and 352 transitions. Second operand has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 10 states have internal predecessors, (88), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-08 09:25:48,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:48,953 INFO L93 Difference]: Finished difference Result 324 states and 361 transitions. [2025-02-08 09:25:48,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:25:48,953 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 10 states have internal predecessors, (88), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 121 [2025-02-08 09:25:48,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:48,954 INFO L225 Difference]: With dead ends: 324 [2025-02-08 09:25:48,954 INFO L226 Difference]: Without dead ends: 323 [2025-02-08 09:25:48,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 126 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:25:48,955 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 130 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:48,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 657 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:25:48,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2025-02-08 09:25:48,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 313. [2025-02-08 09:25:48,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 267 states have (on average 1.097378277153558) internal successors, (293), 281 states have internal predecessors, (293), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 09:25:48,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 349 transitions. [2025-02-08 09:25:48,987 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 349 transitions. Word has length 121 [2025-02-08 09:25:48,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:48,987 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 349 transitions. [2025-02-08 09:25:48,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 10 states have internal predecessors, (88), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-08 09:25:48,987 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 349 transitions. [2025-02-08 09:25:48,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-02-08 09:25:48,988 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:48,988 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:48,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2025-02-08 09:25:49,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,46 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:49,189 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:25:49,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:49,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1440144038, now seen corresponding path program 1 times [2025-02-08 09:25:49,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:49,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024529366] [2025-02-08 09:25:49,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:49,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:49,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-08 09:25:49,197 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-08 09:25:49,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:49,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:49,261 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2025-02-08 09:25:49,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:49,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024529366] [2025-02-08 09:25:49,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024529366] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:49,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440505681] [2025-02-08 09:25:49,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:49,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:49,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:49,265 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:49,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-02-08 09:25:49,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-08 09:25:49,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-08 09:25:49,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:49,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:49,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:25:49,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:49,506 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2025-02-08 09:25:49,506 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:25:49,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440505681] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:25:49,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:49,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2025-02-08 09:25:49,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355173030] [2025-02-08 09:25:49,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:25:49,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:25:49,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:49,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:25:49,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:25:49,507 INFO L87 Difference]: Start difference. First operand 313 states and 349 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-08 09:25:50,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:50,084 INFO L93 Difference]: Finished difference Result 328 states and 366 transitions. [2025-02-08 09:25:50,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:25:50,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 121 [2025-02-08 09:25:50,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:50,086 INFO L225 Difference]: With dead ends: 328 [2025-02-08 09:25:50,086 INFO L226 Difference]: Without dead ends: 327 [2025-02-08 09:25:50,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:25:50,086 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 105 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:50,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 139 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:25:50,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2025-02-08 09:25:50,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 312. [2025-02-08 09:25:50,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 267 states have (on average 1.0936329588014981) internal successors, (292), 280 states have internal predecessors, (292), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 09:25:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 348 transitions. [2025-02-08 09:25:50,136 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 348 transitions. Word has length 121 [2025-02-08 09:25:50,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:50,136 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 348 transitions. [2025-02-08 09:25:50,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-08 09:25:50,136 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 348 transitions. [2025-02-08 09:25:50,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-02-08 09:25:50,137 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:50,138 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:50,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2025-02-08 09:25:50,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2025-02-08 09:25:50,338 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:25:50,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:50,339 INFO L85 PathProgramCache]: Analyzing trace with hash 2129784000, now seen corresponding path program 1 times [2025-02-08 09:25:50,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:50,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683186165] [2025-02-08 09:25:50,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:50,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:50,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-02-08 09:25:50,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-02-08 09:25:50,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:50,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:50,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [420648782] [2025-02-08 09:25:50,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:50,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:50,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:50,355 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:50,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-02-08 09:25:50,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-02-08 09:25:50,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-02-08 09:25:50,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:50,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:50,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:25:50,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:50,725 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2025-02-08 09:25:50,725 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:50,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:50,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683186165] [2025-02-08 09:25:50,794 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:50,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420648782] [2025-02-08 09:25:50,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420648782] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:50,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:50,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:25:50,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608691283] [2025-02-08 09:25:50,794 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:50,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:25:50,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:50,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:25:50,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:25:50,795 INFO L87 Difference]: Start difference. First operand 312 states and 348 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:25:51,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:25:51,079 INFO L93 Difference]: Finished difference Result 324 states and 361 transitions. [2025-02-08 09:25:51,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:25:51,079 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 127 [2025-02-08 09:25:51,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:25:51,081 INFO L225 Difference]: With dead ends: 324 [2025-02-08 09:25:51,081 INFO L226 Difference]: Without dead ends: 322 [2025-02-08 09:25:51,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:25:51,081 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 151 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:25:51,081 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 222 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:25:51,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2025-02-08 09:25:51,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 310. [2025-02-08 09:25:51,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 267 states have (on average 1.0786516853932584) internal successors, (288), 278 states have internal predecessors, (288), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-08 09:25:51,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 344 transitions. [2025-02-08 09:25:51,114 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 344 transitions. Word has length 127 [2025-02-08 09:25:51,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:25:51,114 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 344 transitions. [2025-02-08 09:25:51,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:25:51,114 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 344 transitions. [2025-02-08 09:25:51,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-02-08 09:25:51,115 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:25:51,115 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:25:51,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2025-02-08 09:25:51,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,48 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:51,315 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-02-08 09:25:51,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:25:51,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1598794561, now seen corresponding path program 1 times [2025-02-08 09:25:51,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:25:51,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628687413] [2025-02-08 09:25:51,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:51,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:25:51,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-02-08 09:25:51,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-02-08 09:25:51,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:51,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:25:51,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [298456414] [2025-02-08 09:25:51,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:25:51,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:25:51,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:25:51,332 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:25:51,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2025-02-08 09:25:51,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-02-08 09:25:51,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-02-08 09:25:51,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:25:51,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:25:51,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-02-08 09:25:51,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:25:53,411 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 36 proven. 35 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-02-08 09:25:53,411 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:25:53,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:25:53,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628687413] [2025-02-08 09:25:53,485 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:25:53,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298456414] [2025-02-08 09:25:53,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298456414] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:25:53,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:25:53,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-08 09:25:53,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374520127] [2025-02-08 09:25:53,486 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:25:53,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:25:53,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:25:53,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:25:53,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=156, Unknown=3, NotChecked=0, Total=210 [2025-02-08 09:25:53,486 INFO L87 Difference]: Start difference. First operand 310 states and 344 transitions. Second operand has 13 states, 12 states have (on average 7.25) internal successors, (87), 13 states have internal predecessors, (87), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10)