./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.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 83658644ab59c175befe18129a61686a7f8ef5283dc72c7f2a03865a8223d162 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:09:39,630 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:09:39,672 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:09:39,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:09:39,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:09:39,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:09:39,697 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:09:39,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:09:39,697 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:09:39,697 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:09:39,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:09:39,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:09:39,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:09:39,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:09:39,701 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:09:39,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:09:39,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:09:39,701 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:09:39,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:09:39,701 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:09:39,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:09:39,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:09:39,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:09:39,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:09:39,701 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:09:39,701 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:09:39,701 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:09:39,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:09:39,702 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:09:39,702 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:09:39,702 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:09:39,702 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:09:39,702 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:09:39,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:09:39,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:09:39,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:09:39,702 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:09:39,702 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:09:39,702 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:09:39,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:09:39,702 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:09:39,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:09:39,702 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:09:39,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:09:39,702 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:09:39,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:09:39,702 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:09:39,702 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:09:39,702 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:09:39,702 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:09:39,702 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 -> 83658644ab59c175befe18129a61686a7f8ef5283dc72c7f2a03865a8223d162 [2025-01-10 02:09:39,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:09:39,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:09:39,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:09:39,938 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:09:39,938 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:09:39,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c [2025-01-10 02:09:41,156 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/86f3a6654/a9992ead4a9f43d693347062dc38b370/FLAG547d68665 [2025-01-10 02:09:41,400 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:09:41,405 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c [2025-01-10 02:09:41,413 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/86f3a6654/a9992ead4a9f43d693347062dc38b370/FLAG547d68665 [2025-01-10 02:09:41,460 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/86f3a6654/a9992ead4a9f43d693347062dc38b370 [2025-01-10 02:09:41,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:09:41,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:09:41,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:09:41,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:09:41,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:09:41,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:09:41" (1/1) ... [2025-01-10 02:09:41,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f9af5d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:41, skipping insertion in model container [2025-01-10 02:09:41,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:09:41" (1/1) ... [2025-01-10 02:09:41,486 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:09:41,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:09:41,606 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:09:41,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:09:41,629 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:09:41,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:41 WrapperNode [2025-01-10 02:09:41,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:09:41,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:09:41,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:09:41,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:09:41,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:41" (1/1) ... [2025-01-10 02:09:41,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:41" (1/1) ... [2025-01-10 02:09:41,654 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2025-01-10 02:09:41,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:09:41,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:09:41,658 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:09:41,658 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:09:41,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:41" (1/1) ... [2025-01-10 02:09:41,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:41" (1/1) ... [2025-01-10 02:09:41,665 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:41" (1/1) ... [2025-01-10 02:09:41,678 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-10 02:09:41,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:41" (1/1) ... [2025-01-10 02:09:41,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:41" (1/1) ... [2025-01-10 02:09:41,680 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:41" (1/1) ... [2025-01-10 02:09:41,681 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:41" (1/1) ... [2025-01-10 02:09:41,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:41" (1/1) ... [2025-01-10 02:09:41,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:41" (1/1) ... [2025-01-10 02:09:41,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:41" (1/1) ... [2025-01-10 02:09:41,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:09:41,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:09:41,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:09:41,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:09:41,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:41" (1/1) ... [2025-01-10 02:09:41,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:09:41,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:41,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 02:09:41,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 02:09:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:09:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 02:09:41,739 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 02:09:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:09:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:09:41,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:09:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:09:41,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:09:41,772 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:09:41,773 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:09:41,983 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live. [2025-01-10 02:09:41,983 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:09:41,994 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:09:41,995 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 02:09:41,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:09:41 BoogieIcfgContainer [2025-01-10 02:09:41,995 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:09:41,997 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:09:41,997 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:09:42,001 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:09:42,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:09:41" (1/3) ... [2025-01-10 02:09:42,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5769957a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:09:42, skipping insertion in model container [2025-01-10 02:09:42,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:09:41" (2/3) ... [2025-01-10 02:09:42,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5769957a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:09:42, skipping insertion in model container [2025-01-10 02:09:42,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:09:41" (3/3) ... [2025-01-10 02:09:42,004 INFO L128 eAbstractionObserver]: Analyzing ICFG geo1-u_valuebound2.c [2025-01-10 02:09:42,014 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:09:42,015 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG geo1-u_valuebound2.c that has 3 procedures, 67 locations, 1 initial locations, 1 loop locations, and 22 error locations. [2025-01-10 02:09:42,066 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:09:42,074 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;@17e018a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:09:42,075 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2025-01-10 02:09:42,077 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 38 states have (on average 1.6842105263157894) internal successors, (64), 60 states have internal predecessors, (64), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:42,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-10 02:09:42,081 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:42,081 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:42,081 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:42,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:42,088 INFO L85 PathProgramCache]: Analyzing trace with hash -959516877, now seen corresponding path program 1 times [2025-01-10 02:09:42,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:42,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480056860] [2025-01-10 02:09:42,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:42,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:42,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 02:09:42,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 02:09:42,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:42,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:42,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 02:09:42,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:42,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480056860] [2025-01-10 02:09:42,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480056860] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:09:42,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802713405] [2025-01-10 02:09:42,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:42,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:42,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:42,233 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:42,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 02:09:42,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 02:09:42,295 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 02:09:42,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:42,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:42,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-10 02:09:42,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:42,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 02:09:42,308 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:09:42,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802713405] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:42,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:09:42,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-10 02:09:42,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222780862] [2025-01-10 02:09:42,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:42,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:09:42,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:42,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:09:42,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:09:42,324 INFO L87 Difference]: Start difference. First operand has 67 states, 38 states have (on average 1.6842105263157894) internal successors, (64), 60 states have internal predecessors, (64), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2025-01-10 02:09:42,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:42,339 INFO L93 Difference]: Finished difference Result 130 states and 143 transitions. [2025-01-10 02:09:42,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:09:42,340 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 15 [2025-01-10 02:09:42,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:42,346 INFO L225 Difference]: With dead ends: 130 [2025-01-10 02:09:42,346 INFO L226 Difference]: Without dead ends: 60 [2025-01-10 02:09:42,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:09:42,351 INFO L435 NwaCegarLoop]: 68 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, 68 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:42,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:09:42,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2025-01-10 02:09:42,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2025-01-10 02:09:42,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 33 states have (on average 1.6666666666666667) internal successors, (55), 54 states have internal predecessors, (55), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:09:42,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2025-01-10 02:09:42,380 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 15 [2025-01-10 02:09:42,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:42,380 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2025-01-10 02:09:42,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2025-01-10 02:09:42,380 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2025-01-10 02:09:42,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-10 02:09:42,381 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:42,381 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:42,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 02:09:42,585 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 [2025-01-10 02:09:42,585 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:42,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:42,586 INFO L85 PathProgramCache]: Analyzing trace with hash -256605257, now seen corresponding path program 1 times [2025-01-10 02:09:42,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:42,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889886593] [2025-01-10 02:09:42,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:42,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:42,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 02:09:42,600 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 02:09:42,600 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:42,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:42,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1856069062] [2025-01-10 02:09:42,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:42,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:42,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:42,607 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:42,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-10 02:09:42,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 02:09:42,644 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 02:09:42,644 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:42,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:42,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:09:42,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:42,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:09:42,659 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:09:42,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:42,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889886593] [2025-01-10 02:09:42,660 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:09:42,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856069062] [2025-01-10 02:09:42,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856069062] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:42,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:09:42,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:09:42,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341286928] [2025-01-10 02:09:42,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:42,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:09:42,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:42,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:09:42,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:09:42,662 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 02:09:42,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:42,752 INFO L93 Difference]: Finished difference Result 90 states and 97 transitions. [2025-01-10 02:09:42,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:09:42,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2025-01-10 02:09:42,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:42,757 INFO L225 Difference]: With dead ends: 90 [2025-01-10 02:09:42,757 INFO L226 Difference]: Without dead ends: 80 [2025-01-10 02:09:42,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:09:42,758 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 18 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:42,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 67 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:09:42,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2025-01-10 02:09:42,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2025-01-10 02:09:42,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 50 states have (on average 1.58) internal successors, (79), 71 states have internal predecessors, (79), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:42,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 87 transitions. [2025-01-10 02:09:42,770 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 87 transitions. Word has length 15 [2025-01-10 02:09:42,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:42,771 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 87 transitions. [2025-01-10 02:09:42,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 02:09:42,771 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 87 transitions. [2025-01-10 02:09:42,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-01-10 02:09:42,771 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:42,771 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:42,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 02:09:42,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:42,972 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:42,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:42,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1226700037, now seen corresponding path program 1 times [2025-01-10 02:09:42,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:42,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126692475] [2025-01-10 02:09:42,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:42,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:42,985 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 02:09:42,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 02:09:42,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:42,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:42,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [255163338] [2025-01-10 02:09:42,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:42,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:42,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:43,001 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:43,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-10 02:09:43,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 02:09:43,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 02:09:43,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:43,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:43,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:09:43,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:43,106 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:09:43,107 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:09:43,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:43,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126692475] [2025-01-10 02:09:43,107 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:09:43,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255163338] [2025-01-10 02:09:43,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255163338] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:43,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:09:43,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:09:43,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955188676] [2025-01-10 02:09:43,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:43,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:09:43,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:43,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:09:43,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:09:43,108 INFO L87 Difference]: Start difference. First operand 78 states and 87 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) [2025-01-10 02:09:43,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:43,183 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2025-01-10 02:09:43,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:09:43,183 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 [2025-01-10 02:09:43,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:43,184 INFO L225 Difference]: With dead ends: 82 [2025-01-10 02:09:43,184 INFO L226 Difference]: Without dead ends: 80 [2025-01-10 02:09:43,184 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 [2025-01-10 02:09:43,185 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 14 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:43,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 65 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:09:43,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2025-01-10 02:09:43,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2025-01-10 02:09:43,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 50 states have (on average 1.54) internal successors, (77), 71 states have internal predecessors, (77), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:43,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 85 transitions. [2025-01-10 02:09:43,189 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 85 transitions. Word has length 19 [2025-01-10 02:09:43,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:43,190 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 85 transitions. [2025-01-10 02:09:43,190 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) [2025-01-10 02:09:43,190 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2025-01-10 02:09:43,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-01-10 02:09:43,190 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:43,190 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:43,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 02:09:43,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:43,394 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:43,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:43,394 INFO L85 PathProgramCache]: Analyzing trace with hash 627004568, now seen corresponding path program 1 times [2025-01-10 02:09:43,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:43,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116365380] [2025-01-10 02:09:43,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:43,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:43,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 02:09:43,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 02:09:43,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:43,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:43,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:09:43,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:43,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116365380] [2025-01-10 02:09:43,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116365380] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:43,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:09:43,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:09:43,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497536484] [2025-01-10 02:09:43,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:43,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:09:43,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:43,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:09:43,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:09:43,551 INFO L87 Difference]: Start difference. First operand 78 states and 85 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 02:09:43,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:43,635 INFO L93 Difference]: Finished difference Result 82 states and 85 transitions. [2025-01-10 02:09:43,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:09:43,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2025-01-10 02:09:43,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:43,636 INFO L225 Difference]: With dead ends: 82 [2025-01-10 02:09:43,636 INFO L226 Difference]: Without dead ends: 80 [2025-01-10 02:09:43,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:09:43,637 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 30 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:43,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 67 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:09:43,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2025-01-10 02:09:43,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2025-01-10 02:09:43,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 50 states have (on average 1.5) internal successors, (75), 71 states have internal predecessors, (75), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:43,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 83 transitions. [2025-01-10 02:09:43,645 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 83 transitions. Word has length 20 [2025-01-10 02:09:43,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:43,645 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 83 transitions. [2025-01-10 02:09:43,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2025-01-10 02:09:43,645 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 83 transitions. [2025-01-10 02:09:43,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-10 02:09:43,646 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:43,646 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:43,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 02:09:43,646 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:43,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:43,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1897170927, now seen corresponding path program 1 times [2025-01-10 02:09:43,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:43,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678407647] [2025-01-10 02:09:43,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:43,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:43,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 02:09:43,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 02:09:43,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:43,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:43,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:09:43,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:43,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678407647] [2025-01-10 02:09:43,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678407647] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:43,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:09:43,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:09:43,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435524895] [2025-01-10 02:09:43,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:43,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:09:43,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:43,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:09:43,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:09:43,745 INFO L87 Difference]: Start difference. First operand 78 states and 83 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2025-01-10 02:09:43,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:43,758 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2025-01-10 02:09:43,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:09:43,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 29 [2025-01-10 02:09:43,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:43,759 INFO L225 Difference]: With dead ends: 80 [2025-01-10 02:09:43,759 INFO L226 Difference]: Without dead ends: 78 [2025-01-10 02:09:43,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:09:43,760 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 1 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:43,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 110 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:09:43,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-01-10 02:09:43,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2025-01-10 02:09:43,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 50 states have (on average 1.46) internal successors, (73), 71 states have internal predecessors, (73), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:43,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions. [2025-01-10 02:09:43,764 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 81 transitions. Word has length 29 [2025-01-10 02:09:43,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:43,764 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 81 transitions. [2025-01-10 02:09:43,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2025-01-10 02:09:43,764 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2025-01-10 02:09:43,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-01-10 02:09:43,765 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:43,765 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] [2025-01-10 02:09:43,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 02:09:43,765 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:43,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:43,765 INFO L85 PathProgramCache]: Analyzing trace with hash -2115165976, now seen corresponding path program 1 times [2025-01-10 02:09:43,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:43,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68495468] [2025-01-10 02:09:43,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:43,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:43,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:09:43,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:09:43,773 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:43,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:43,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:09:43,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:43,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68495468] [2025-01-10 02:09:43,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68495468] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:43,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:09:43,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:09:43,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168884362] [2025-01-10 02:09:43,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:43,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:09:43,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:43,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:09:43,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:09:43,817 INFO L87 Difference]: Start difference. First operand 78 states and 81 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:09:44,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:44,009 INFO L93 Difference]: Finished difference Result 78 states and 81 transitions. [2025-01-10 02:09:44,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:09:44,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2025-01-10 02:09:44,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:44,010 INFO L225 Difference]: With dead ends: 78 [2025-01-10 02:09:44,010 INFO L226 Difference]: Without dead ends: 77 [2025-01-10 02:09:44,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:09:44,011 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 34 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:44,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 83 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:09:44,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2025-01-10 02:09:44,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2025-01-10 02:09:44,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 50 states have (on average 1.44) internal successors, (72), 70 states have internal predecessors, (72), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:44,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 80 transitions. [2025-01-10 02:09:44,023 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 80 transitions. Word has length 31 [2025-01-10 02:09:44,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:44,023 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 80 transitions. [2025-01-10 02:09:44,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:09:44,023 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2025-01-10 02:09:44,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-10 02:09:44,024 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:44,024 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] [2025-01-10 02:09:44,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 02:09:44,024 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:44,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:44,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1145635728, now seen corresponding path program 1 times [2025-01-10 02:09:44,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:44,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377449959] [2025-01-10 02:09:44,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:44,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:44,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:09:44,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:09:44,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:44,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:44,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [726253239] [2025-01-10 02:09:44,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:44,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:44,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:44,052 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:44,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-10 02:09:44,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:09:44,086 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:09:44,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:44,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:44,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:09:44,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:44,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:09:44,192 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:09:44,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:44,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377449959] [2025-01-10 02:09:44,192 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:09:44,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726253239] [2025-01-10 02:09:44,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726253239] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:44,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:09:44,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:09:44,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429607758] [2025-01-10 02:09:44,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:44,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:09:44,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:44,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:09:44,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:09:44,193 INFO L87 Difference]: Start difference. First operand 77 states and 80 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) [2025-01-10 02:09:44,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:44,279 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2025-01-10 02:09:44,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:09:44,280 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 [2025-01-10 02:09:44,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:44,280 INFO L225 Difference]: With dead ends: 82 [2025-01-10 02:09:44,280 INFO L226 Difference]: Without dead ends: 81 [2025-01-10 02:09:44,280 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 [2025-01-10 02:09:44,281 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 8 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:44,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 89 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:09:44,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2025-01-10 02:09:44,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2025-01-10 02:09:44,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 72 states have internal predecessors, (74), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:44,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 82 transitions. [2025-01-10 02:09:44,288 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 82 transitions. Word has length 32 [2025-01-10 02:09:44,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:44,288 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 82 transitions. [2025-01-10 02:09:44,288 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) [2025-01-10 02:09:44,288 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 82 transitions. [2025-01-10 02:09:44,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-01-10 02:09:44,289 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:44,289 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] [2025-01-10 02:09:44,297 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 [2025-01-10 02:09:44,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-01-10 02:09:44,489 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:44,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:44,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1154969110, now seen corresponding path program 1 times [2025-01-10 02:09:44,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:44,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505051730] [2025-01-10 02:09:44,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:44,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:44,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-10 02:09:44,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-10 02:09:44,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:44,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:44,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1255249325] [2025-01-10 02:09:44,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:44,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:44,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:44,506 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:44,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-10 02:09:44,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-10 02:09:44,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-10 02:09:44,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:44,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:44,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:09:44,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:44,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:09:44,625 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:09:44,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:44,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505051730] [2025-01-10 02:09:44,625 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:09:44,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255249325] [2025-01-10 02:09:44,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255249325] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:44,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:09:44,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:09:44,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702782612] [2025-01-10 02:09:44,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:44,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:09:44,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:44,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:09:44,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:09:44,627 INFO L87 Difference]: Start difference. First operand 79 states and 82 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) [2025-01-10 02:09:44,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:44,734 INFO L93 Difference]: Finished difference Result 84 states and 89 transitions. [2025-01-10 02:09:44,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:09:44,735 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 [2025-01-10 02:09:44,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:44,735 INFO L225 Difference]: With dead ends: 84 [2025-01-10 02:09:44,736 INFO L226 Difference]: Without dead ends: 83 [2025-01-10 02:09:44,736 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:09:44,736 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 8 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:44,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 77 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:09:44,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2025-01-10 02:09:44,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2025-01-10 02:09:44,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 73 states have internal predecessors, (75), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:44,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions. [2025-01-10 02:09:44,743 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 33 [2025-01-10 02:09:44,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:44,743 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions. [2025-01-10 02:09:44,744 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) [2025-01-10 02:09:44,744 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2025-01-10 02:09:44,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-01-10 02:09:44,745 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:44,745 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:44,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 02:09:44,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:44,951 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:44,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:44,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1444303950, now seen corresponding path program 1 times [2025-01-10 02:09:44,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:44,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123572473] [2025-01-10 02:09:44,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:44,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:44,956 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 02:09:44,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:09:44,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:44,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:45,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:09:45,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:45,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123572473] [2025-01-10 02:09:45,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123572473] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:45,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:09:45,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:09:45,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125610802] [2025-01-10 02:09:45,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:45,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:09:45,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:45,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:09:45,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:09:45,015 INFO L87 Difference]: Start difference. First operand 80 states and 83 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2025-01-10 02:09:45,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:45,115 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2025-01-10 02:09:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:09:45,116 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 34 [2025-01-10 02:09:45,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:45,116 INFO L225 Difference]: With dead ends: 80 [2025-01-10 02:09:45,116 INFO L226 Difference]: Without dead ends: 72 [2025-01-10 02:09:45,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:09:45,118 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 46 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:45,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 67 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:09:45,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2025-01-10 02:09:45,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2025-01-10 02:09:45,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 65 states have internal predecessors, (66), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:45,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2025-01-10 02:09:45,126 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 34 [2025-01-10 02:09:45,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:45,126 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2025-01-10 02:09:45,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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) [2025-01-10 02:09:45,127 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2025-01-10 02:09:45,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-01-10 02:09:45,127 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:45,127 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:45,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-10 02:09:45,127 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:45,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:45,129 INFO L85 PathProgramCache]: Analyzing trace with hash 979957622, now seen corresponding path program 1 times [2025-01-10 02:09:45,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:45,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467352137] [2025-01-10 02:09:45,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:45,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:45,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-10 02:09:45,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 02:09:45,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:45,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:45,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [750512480] [2025-01-10 02:09:45,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:45,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:45,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:45,145 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:45,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-10 02:09:45,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-10 02:09:45,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 02:09:45,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:45,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:45,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:09:45,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:45,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 02:09:45,275 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:09:45,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:45,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467352137] [2025-01-10 02:09:45,384 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:09:45,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750512480] [2025-01-10 02:09:45,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750512480] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:09:45,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:09:45,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-01-10 02:09:45,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849893746] [2025-01-10 02:09:45,384 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:09:45,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:09:45,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:45,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:09:45,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:09:45,385 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:09:45,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:45,508 INFO L93 Difference]: Finished difference Result 75 states and 77 transitions. [2025-01-10 02:09:45,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:09:45,509 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 36 [2025-01-10 02:09:45,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:45,509 INFO L225 Difference]: With dead ends: 75 [2025-01-10 02:09:45,510 INFO L226 Difference]: Without dead ends: 74 [2025-01-10 02:09:45,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:09:45,510 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 22 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:45,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 79 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:09:45,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2025-01-10 02:09:45,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2025-01-10 02:09:45,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 67 states have internal predecessors, (68), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:45,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2025-01-10 02:09:45,514 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 36 [2025-01-10 02:09:45,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:45,514 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2025-01-10 02:09:45,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:09:45,514 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2025-01-10 02:09:45,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-01-10 02:09:45,515 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:45,515 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:45,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-10 02:09:45,715 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,SelfDestructingSolverStorable9 [2025-01-10 02:09:45,716 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:45,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:45,716 INFO L85 PathProgramCache]: Analyzing trace with hash 313915251, now seen corresponding path program 1 times [2025-01-10 02:09:45,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:45,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624370479] [2025-01-10 02:09:45,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:45,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:45,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:09:45,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:09:45,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:45,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:45,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1853755472] [2025-01-10 02:09:45,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:45,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:45,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:45,730 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:45,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 02:09:45,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:09:45,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:09:45,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:45,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:45,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:09:45,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:45,785 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:09:45,785 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:09:45,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:45,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624370479] [2025-01-10 02:09:45,950 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:09:45,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853755472] [2025-01-10 02:09:45,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853755472] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:09:45,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:09:45,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-01-10 02:09:45,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874057943] [2025-01-10 02:09:45,951 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:09:45,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:09:45,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:45,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:09:45,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:09:45,952 INFO L87 Difference]: Start difference. First operand 74 states and 76 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, (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) [2025-01-10 02:09:46,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:46,049 INFO L93 Difference]: Finished difference Result 74 states and 76 transitions. [2025-01-10 02:09:46,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:09:46,050 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, (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 37 [2025-01-10 02:09:46,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:46,050 INFO L225 Difference]: With dead ends: 74 [2025-01-10 02:09:46,050 INFO L226 Difference]: Without dead ends: 70 [2025-01-10 02:09:46,051 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:09:46,051 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 18 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:46,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 68 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:09:46,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2025-01-10 02:09:46,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2025-01-10 02:09:46,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 63 states have internal predecessors, (64), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:09:46,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 72 transitions. [2025-01-10 02:09:46,054 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 72 transitions. Word has length 37 [2025-01-10 02:09:46,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:46,055 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 72 transitions. [2025-01-10 02:09:46,055 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, (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) [2025-01-10 02:09:46,055 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions. [2025-01-10 02:09:46,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 02:09:46,055 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:46,055 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:46,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-10 02:09:46,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:46,260 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:46,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:46,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1141438232, now seen corresponding path program 1 times [2025-01-10 02:09:46,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:46,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889207082] [2025-01-10 02:09:46,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:46,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:46,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:09:46,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:09:46,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:46,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:46,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [285987761] [2025-01-10 02:09:46,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:46,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:46,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:46,271 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:46,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 02:09:46,289 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:09:46,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:09:46,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:46,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:46,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:09:46,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:46,398 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 02:09:46,399 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:09:46,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:46,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889207082] [2025-01-10 02:09:46,503 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:09:46,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285987761] [2025-01-10 02:09:46,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285987761] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:09:46,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:09:46,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-01-10 02:09:46,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011747573] [2025-01-10 02:09:46,503 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:09:46,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:09:46,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:46,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:09:46,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:09:46,504 INFO L87 Difference]: Start difference. First operand 70 states and 72 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:09:46,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:46,635 INFO L93 Difference]: Finished difference Result 94 states and 104 transitions. [2025-01-10 02:09:46,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:09:46,636 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 38 [2025-01-10 02:09:46,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:46,636 INFO L225 Difference]: With dead ends: 94 [2025-01-10 02:09:46,636 INFO L226 Difference]: Without dead ends: 90 [2025-01-10 02:09:46,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:09:46,637 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 39 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:46,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 94 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:09:46,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2025-01-10 02:09:46,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88. [2025-01-10 02:09:46,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 66 states have (on average 1.3636363636363635) internal successors, (90), 80 states have internal predecessors, (90), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:09:46,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 100 transitions. [2025-01-10 02:09:46,641 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 100 transitions. Word has length 38 [2025-01-10 02:09:46,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:46,641 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 100 transitions. [2025-01-10 02:09:46,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:09:46,642 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 100 transitions. [2025-01-10 02:09:46,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 02:09:46,642 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:46,642 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:46,648 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 [2025-01-10 02:09:46,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:46,843 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:46,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:46,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1024846869, now seen corresponding path program 1 times [2025-01-10 02:09:46,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:46,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557187265] [2025-01-10 02:09:46,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:46,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:46,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:09:46,851 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:09:46,851 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:46,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:46,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1695142920] [2025-01-10 02:09:46,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:46,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:46,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:46,853 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:46,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-10 02:09:46,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:09:46,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:09:46,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:46,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:46,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:09:46,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:46,983 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 02:09:46,983 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:09:47,086 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:09:47,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:47,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557187265] [2025-01-10 02:09:47,087 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:09:47,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695142920] [2025-01-10 02:09:47,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695142920] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:09:47,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:09:47,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2025-01-10 02:09:47,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785474156] [2025-01-10 02:09:47,087 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:09:47,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:09:47,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:47,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:09:47,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:09:47,088 INFO L87 Difference]: Start difference. First operand 88 states and 100 transitions. Second operand has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-01-10 02:09:47,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:47,608 INFO L93 Difference]: Finished difference Result 97 states and 108 transitions. [2025-01-10 02:09:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:09:47,609 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 39 [2025-01-10 02:09:47,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:47,609 INFO L225 Difference]: With dead ends: 97 [2025-01-10 02:09:47,609 INFO L226 Difference]: Without dead ends: 95 [2025-01-10 02:09:47,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:09:47,610 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 83 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:47,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 108 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:09:47,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2025-01-10 02:09:47,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2025-01-10 02:09:47,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 79 states have internal predecessors, (87), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:09:47,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 97 transitions. [2025-01-10 02:09:47,614 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 97 transitions. Word has length 39 [2025-01-10 02:09:47,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:47,615 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 97 transitions. [2025-01-10 02:09:47,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-01-10 02:09:47,615 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2025-01-10 02:09:47,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-01-10 02:09:47,615 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:47,615 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:47,623 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-10 02:09:47,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:47,816 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:47,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:47,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1330331831, now seen corresponding path program 1 times [2025-01-10 02:09:47,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:47,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163175592] [2025-01-10 02:09:47,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:47,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:47,819 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:09:47,824 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:09:47,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:47,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:47,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2008708484] [2025-01-10 02:09:47,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:47,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:47,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:47,828 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:47,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-10 02:09:47,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:09:47,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:09:47,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:47,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:47,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:09:47,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:47,961 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:09:47,962 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:09:48,061 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:09:48,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:48,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163175592] [2025-01-10 02:09:48,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:09:48,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008708484] [2025-01-10 02:09:48,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008708484] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:09:48,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:09:48,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-10 02:09:48,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875702777] [2025-01-10 02:09:48,062 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:09:48,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:09:48,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:48,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:09:48,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:09:48,063 INFO L87 Difference]: Start difference. First operand 87 states and 97 transitions. Second operand has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:09:52,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 02:09:57,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 02:09:57,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:57,708 INFO L93 Difference]: Finished difference Result 99 states and 108 transitions. [2025-01-10 02:09:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:09:57,708 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 41 [2025-01-10 02:09:57,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:57,709 INFO L225 Difference]: With dead ends: 99 [2025-01-10 02:09:57,709 INFO L226 Difference]: Without dead ends: 95 [2025-01-10 02:09:57,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:09:57,710 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 48 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:57,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 112 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 183 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2025-01-10 02:09:57,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2025-01-10 02:09:57,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2025-01-10 02:09:57,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 73 states have (on average 1.2602739726027397) internal successors, (92), 85 states have internal predecessors, (92), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:09:57,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 102 transitions. [2025-01-10 02:09:57,715 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 102 transitions. Word has length 41 [2025-01-10 02:09:57,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:57,715 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 102 transitions. [2025-01-10 02:09:57,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:09:57,715 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2025-01-10 02:09:57,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-01-10 02:09:57,715 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:57,716 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:57,724 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 [2025-01-10 02:09:57,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-01-10 02:09:57,916 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:57,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:57,917 INFO L85 PathProgramCache]: Analyzing trace with hash 688501453, now seen corresponding path program 1 times [2025-01-10 02:09:57,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:57,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600949849] [2025-01-10 02:09:57,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:57,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:57,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 02:09:57,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 02:09:57,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:57,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:58,001 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:09:58,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:58,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600949849] [2025-01-10 02:09:58,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600949849] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:09:58,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832101494] [2025-01-10 02:09:58,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:58,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:58,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:58,005 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:58,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-10 02:09:58,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 02:09:58,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 02:09:58,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:58,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:58,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:09:58,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:09:58,063 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:09:58,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832101494] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:09:58,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:09:58,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-01-10 02:09:58,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015643433] [2025-01-10 02:09:58,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:09:58,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:09:58,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:58,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:09:58,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:09:58,065 INFO L87 Difference]: Start difference. First operand 93 states and 102 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:09:58,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:58,081 INFO L93 Difference]: Finished difference Result 93 states and 102 transitions. [2025-01-10 02:09:58,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:09:58,081 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 51 [2025-01-10 02:09:58,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:58,082 INFO L225 Difference]: With dead ends: 93 [2025-01-10 02:09:58,082 INFO L226 Difference]: Without dead ends: 92 [2025-01-10 02:09:58,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:09:58,082 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 17 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:58,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 84 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:09:58,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2025-01-10 02:09:58,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2025-01-10 02:09:58,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 73 states have (on average 1.2328767123287672) internal successors, (90), 84 states have internal predecessors, (90), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:09:58,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 100 transitions. [2025-01-10 02:09:58,087 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 100 transitions. Word has length 51 [2025-01-10 02:09:58,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:58,087 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 100 transitions. [2025-01-10 02:09:58,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:09:58,087 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 100 transitions. [2025-01-10 02:09:58,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 02:09:58,088 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:58,088 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:09:58,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-10 02:09:58,288 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,SelfDestructingSolverStorable14 [2025-01-10 02:09:58,289 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:58,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:58,289 INFO L85 PathProgramCache]: Analyzing trace with hash -131291372, now seen corresponding path program 1 times [2025-01-10 02:09:58,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:58,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758278812] [2025-01-10 02:09:58,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:58,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:58,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:09:58,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:09:58,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:58,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:58,333 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:09:58,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:09:58,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758278812] [2025-01-10 02:09:58,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758278812] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:09:58,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704030669] [2025-01-10 02:09:58,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:58,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:58,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:58,336 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:58,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-10 02:09:58,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:09:58,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:09:58,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:58,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:58,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:09:58,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:58,396 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:09:58,396 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:09:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:09:58,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704030669] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:09:58,441 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:09:58,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-01-10 02:09:58,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157301246] [2025-01-10 02:09:58,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:09:58,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:09:58,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:09:58,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:09:58,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:09:58,442 INFO L87 Difference]: Start difference. First operand 92 states and 100 transitions. Second operand has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-01-10 02:09:58,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:09:58,465 INFO L93 Difference]: Finished difference Result 102 states and 109 transitions. [2025-01-10 02:09:58,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:09:58,466 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 52 [2025-01-10 02:09:58,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:09:58,466 INFO L225 Difference]: With dead ends: 102 [2025-01-10 02:09:58,466 INFO L226 Difference]: Without dead ends: 101 [2025-01-10 02:09:58,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:09:58,467 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 24 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:09:58,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 120 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:09:58,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2025-01-10 02:09:58,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 91. [2025-01-10 02:09:58,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 73 states have (on average 1.2054794520547945) internal successors, (88), 83 states have internal predecessors, (88), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:09:58,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2025-01-10 02:09:58,472 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 52 [2025-01-10 02:09:58,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:09:58,472 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2025-01-10 02:09:58,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.166666666666666) internal successors, (79), 7 states have internal predecessors, (79), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-01-10 02:09:58,473 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2025-01-10 02:09:58,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-01-10 02:09:58,473 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:09:58,473 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 02:09:58,479 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 [2025-01-10 02:09:58,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:58,677 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:09:58,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:09:58,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1618216908, now seen corresponding path program 1 times [2025-01-10 02:09:58,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:09:58,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519199077] [2025-01-10 02:09:58,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:58,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:09:58,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-10 02:09:58,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-10 02:09:58,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:58,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:09:58,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [717795604] [2025-01-10 02:09:58,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:09:58,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:09:58,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:09:58,691 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:09:58,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-10 02:09:58,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-10 02:09:58,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-10 02:09:58,726 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:09:58,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:09:58,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:09:58,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:09:58,982 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-10 02:09:58,982 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:10:03,079 WARN L873 $PredicateComparison]: unable to prove that (< (let ((.cse0 (mod (+ 4294967295 |c_ULTIMATE.start_main_~z~0#1|) 4294967296))) (+ .cse0 (* |c_ULTIMATE.start_main_~x~0#1| (mod |c_ULTIMATE.start_main_~z~0#1| 4294967296) .cse0))) 9223372036854775807) is different from true [2025-01-10 02:10:47,543 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 10 not checked. [2025-01-10 02:10:47,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:10:47,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519199077] [2025-01-10 02:10:47,543 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:10:47,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717795604] [2025-01-10 02:10:47,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717795604] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:10:47,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:10:47,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-01-10 02:10:47,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245788392] [2025-01-10 02:10:47,544 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:10:47,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 02:10:47,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:10:47,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 02:10:47,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=100, Unknown=1, NotChecked=20, Total=156 [2025-01-10 02:10:47,546 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 13 states have internal predecessors, (77), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2025-01-10 02:10:47,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:10:47,953 INFO L93 Difference]: Finished difference Result 112 states and 125 transitions. [2025-01-10 02:10:47,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:10:47,954 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 13 states have internal predecessors, (77), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) Word has length 54 [2025-01-10 02:10:47,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:10:47,955 INFO L225 Difference]: With dead ends: 112 [2025-01-10 02:10:47,955 INFO L226 Difference]: Without dead ends: 110 [2025-01-10 02:10:47,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=43, Invalid=116, Unknown=1, NotChecked=22, Total=182 [2025-01-10 02:10:47,955 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 124 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 106 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:10:47,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 98 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 240 Invalid, 0 Unknown, 106 Unchecked, 0.4s Time] [2025-01-10 02:10:47,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2025-01-10 02:10:47,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 98. [2025-01-10 02:10:47,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:10:47,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 109 transitions. [2025-01-10 02:10:47,964 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 109 transitions. Word has length 54 [2025-01-10 02:10:47,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:10:47,964 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 109 transitions. [2025-01-10 02:10:47,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 13 states have internal predecessors, (77), 7 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 7 states have call successors, (8) [2025-01-10 02:10:47,964 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 109 transitions. [2025-01-10 02:10:47,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-01-10 02:10:47,964 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:10:47,965 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 02:10:47,973 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 [2025-01-10 02:10:48,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-10 02:10:48,166 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:10:48,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:10:48,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1374883494, now seen corresponding path program 1 times [2025-01-10 02:10:48,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:10:48,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711335749] [2025-01-10 02:10:48,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:10:48,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:10:48,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-10 02:10:48,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 02:10:48,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:10:48,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:10:48,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [476570698] [2025-01-10 02:10:48,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:10:48,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:10:48,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:10:48,189 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:10:48,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-10 02:10:48,210 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-10 02:10:48,221 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 02:10:48,221 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:10:48,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:10:48,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 02:10:48,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:10:48,742 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:10:48,743 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:10:52,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:10:52,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711335749] [2025-01-10 02:10:52,907 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:10:52,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476570698] [2025-01-10 02:10:52,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476570698] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:10:52,907 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:10:52,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-01-10 02:10:52,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744189307] [2025-01-10 02:10:52,907 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:10:52,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:10:52,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:10:52,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:10:52,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:10:52,908 INFO L87 Difference]: Start difference. First operand 98 states and 109 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:10:53,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:10:53,541 INFO L93 Difference]: Finished difference Result 98 states and 109 transitions. [2025-01-10 02:10:53,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:10:53,541 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55 [2025-01-10 02:10:53,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:10:53,542 INFO L225 Difference]: With dead ends: 98 [2025-01-10 02:10:53,542 INFO L226 Difference]: Without dead ends: 92 [2025-01-10 02:10:53,543 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:10:53,547 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 28 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:10:53,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 74 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:10:53,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2025-01-10 02:10:53,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2025-01-10 02:10:53,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 74 states have (on average 1.2027027027027026) internal successors, (89), 83 states have internal predecessors, (89), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:10:53,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 101 transitions. [2025-01-10 02:10:53,555 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 101 transitions. Word has length 55 [2025-01-10 02:10:53,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:10:53,556 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 101 transitions. [2025-01-10 02:10:53,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:10:53,556 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2025-01-10 02:10:53,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-01-10 02:10:53,556 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:10:53,556 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:10:53,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-10 02:10:53,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-10 02:10:53,757 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:10:53,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:10:53,757 INFO L85 PathProgramCache]: Analyzing trace with hash -267226822, now seen corresponding path program 1 times [2025-01-10 02:10:53,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:10:53,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505021956] [2025-01-10 02:10:53,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:10:53,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:10:53,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-01-10 02:10:53,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-01-10 02:10:53,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:10:53,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:10:53,883 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-10 02:10:53,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:10:53,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505021956] [2025-01-10 02:10:53,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505021956] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:10:53,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204007237] [2025-01-10 02:10:53,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:10:53,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:10:53,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:10:53,886 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:10:53,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-10 02:10:53,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-01-10 02:10:53,915 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-01-10 02:10:53,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:10:53,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:10:53,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 02:10:53,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:10:54,033 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-10 02:10:54,033 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:10:54,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204007237] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:10:54,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:10:54,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2025-01-10 02:10:54,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644225296] [2025-01-10 02:10:54,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:10:54,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:10:54,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:10:54,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:10:54,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:10:54,035 INFO L87 Difference]: Start difference. First operand 92 states and 101 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:10:54,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:10:54,065 INFO L93 Difference]: Finished difference Result 96 states and 104 transitions. [2025-01-10 02:10:54,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:10:54,066 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 58 [2025-01-10 02:10:54,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:10:54,066 INFO L225 Difference]: With dead ends: 96 [2025-01-10 02:10:54,066 INFO L226 Difference]: Without dead ends: 0 [2025-01-10 02:10:54,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:10:54,067 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:10:54,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:10:54,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-10 02:10:54,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-10 02:10:54,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:10:54,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-10 02:10:54,067 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2025-01-10 02:10:54,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:10:54,068 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 02:10:54,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:10:54,068 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-10 02:10:54,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-10 02:10:54,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2025-01-10 02:10:54,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2025-01-10 02:10:54,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2025-01-10 02:10:54,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2025-01-10 02:10:54,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2025-01-10 02:10:54,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2025-01-10 02:10:54,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2025-01-10 02:10:54,074 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2025-01-10 02:10:54,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2025-01-10 02:10:54,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2025-01-10 02:10:54,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2025-01-10 02:10:54,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2025-01-10 02:10:54,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2025-01-10 02:10:54,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2025-01-10 02:10:54,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2025-01-10 02:10:54,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2025-01-10 02:10:54,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2025-01-10 02:10:54,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2025-01-10 02:10:54,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2025-01-10 02:10:54,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2025-01-10 02:10:54,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2025-01-10 02:10:54,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2025-01-10 02:10:54,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-10 02:10:54,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:10:54,282 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:10:54,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-10 02:10:54,497 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 02:10:54,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:10:54 BoogieIcfgContainer [2025-01-10 02:10:54,510 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 02:10:54,510 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 02:10:54,510 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 02:10:54,510 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 02:10:54,511 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:09:41" (3/4) ... [2025-01-10 02:10:54,512 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-10 02:10:54,516 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-01-10 02:10:54,516 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2025-01-10 02:10:54,518 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-01-10 02:10:54,519 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-01-10 02:10:54,519 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-10 02:10:54,520 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-10 02:10:54,576 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 02:10:54,576 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 02:10:54,576 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 02:10:54,577 INFO L158 Benchmark]: Toolchain (without parser) took 73112.92ms. Allocated memory was 167.8MB in the beginning and 335.5MB in the end (delta: 167.8MB). Free memory was 123.9MB in the beginning and 139.6MB in the end (delta: -15.6MB). Peak memory consumption was 151.7MB. Max. memory is 16.1GB. [2025-01-10 02:10:54,577 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 02:10:54,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.42ms. Allocated memory is still 167.8MB. Free memory was 123.9MB in the beginning and 113.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 02:10:54,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.83ms. Allocated memory is still 167.8MB. Free memory was 113.0MB in the beginning and 112.1MB in the end (delta: 947.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 02:10:54,578 INFO L158 Benchmark]: Boogie Preprocessor took 32.70ms. Allocated memory is still 167.8MB. Free memory was 112.1MB in the beginning and 110.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 02:10:54,578 INFO L158 Benchmark]: RCFGBuilder took 304.81ms. Allocated memory is still 167.8MB. Free memory was 110.5MB in the beginning and 93.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 02:10:54,579 INFO L158 Benchmark]: TraceAbstraction took 72512.45ms. Allocated memory was 167.8MB in the beginning and 335.5MB in the end (delta: 167.8MB). Free memory was 93.8MB in the beginning and 144.0MB in the end (delta: -50.2MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. [2025-01-10 02:10:54,579 INFO L158 Benchmark]: Witness Printer took 66.19ms. Allocated memory is still 335.5MB. Free memory was 144.0MB in the beginning and 139.6MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 02:10:54,580 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 163.42ms. Allocated memory is still 167.8MB. Free memory was 123.9MB in the beginning and 113.0MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.83ms. Allocated memory is still 167.8MB. Free memory was 113.0MB in the beginning and 112.1MB in the end (delta: 947.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.70ms. Allocated memory is still 167.8MB. Free memory was 112.1MB in the beginning and 110.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 304.81ms. Allocated memory is still 167.8MB. Free memory was 110.5MB in the beginning and 93.8MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 72512.45ms. Allocated memory was 167.8MB in the beginning and 335.5MB in the end (delta: 167.8MB). Free memory was 93.8MB in the beginning and 144.0MB in the end (delta: -50.2MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. * Witness Printer took 66.19ms. Allocated memory is still 335.5MB. Free memory was 144.0MB in the beginning and 139.6MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 67 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 72.2s, OverallIterations: 19, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 573 SdHoareTripleChecker+Valid, 12.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 562 mSDsluCounter, 1662 SdHoareTripleChecker+Invalid, 11.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 106 IncrementalHoareTripleChecker+Unchecked, 935 mSDsCounter, 60 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1775 IncrementalHoareTripleChecker+Invalid, 1943 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 60 mSolverCounterUnsat, 727 mSDtfsCounter, 1775 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 857 GetRequests, 770 SyntacticMatches, 1 SemanticMatches, 86 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=17, InterpolantAutomatonStates: 98, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 19 MinimizatonAttempts, 45 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 55.6s InterpolantComputationTime, 1264 NumberOfCodeBlocks, 1264 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1024 ConstructedInterpolants, 17 QuantifiedInterpolants, 5213 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1208 ConjunctsInSsa, 95 ConjunctsInUnsatCore, 27 InterpolantComputations, 11 PerfectInterpolantSequences, 168/291 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((((((((unsigned long long) z * z) == y) && (z <= 2)) && (((long long) z + 1) == x)) && (k <= 2)) && (2 == c)) || (((((c == 1) && (x == 1)) && (z <= 2)) && (k <= 2)) && (y == z))) RESULT: Ultimate proved your program to be correct! [2025-01-10 02:10:54,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE