./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound1.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/freire1_valuebound1.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 322f54fed62e27ecdc37b8dbd1ba5a40efbeb3c981a1a7430a57877b391f432f --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:04:41,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:04:41,806 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:04:41,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:04:41,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:04:41,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:04:41,830 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:04:41,830 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:04:41,830 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:04:41,830 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:04:41,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:04:41,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:04:41,830 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:04:41,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:04:41,831 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:04:41,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:04:41,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:04:41,831 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:04:41,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:04:41,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:04:41,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:04:41,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:04:41,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:04:41,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:04:41,832 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:04:41,832 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:04:41,832 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:04:41,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:04:41,832 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:04:41,832 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:04:41,832 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:04:41,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:04:41,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:04:41,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:04:41,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:04:41,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:04:41,833 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:04:41,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:04:41,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:04:41,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:04:41,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:04:41,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:04:41,833 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:04:41,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:04:41,833 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:04:41,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:04:41,833 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:04:41,833 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:04:41,833 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:04:41,833 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:04:41,833 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 -> 322f54fed62e27ecdc37b8dbd1ba5a40efbeb3c981a1a7430a57877b391f432f [2025-01-10 02:04:42,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:04:42,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:04:42,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:04:42,065 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:04:42,065 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:04:42,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound1.c [2025-01-10 02:04:43,150 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/744ece0c8/a6337b825bac43e698c52fb78a374f01/FLAGc50f3026e [2025-01-10 02:04:43,347 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:04:43,347 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound1.c [2025-01-10 02:04:43,353 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/744ece0c8/a6337b825bac43e698c52fb78a374f01/FLAGc50f3026e [2025-01-10 02:04:43,367 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/744ece0c8/a6337b825bac43e698c52fb78a374f01 [2025-01-10 02:04:43,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:04:43,369 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:04:43,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:04:43,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:04:43,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:04:43,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:04:43" (1/1) ... [2025-01-10 02:04:43,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53f8deb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:43, skipping insertion in model container [2025-01-10 02:04:43,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:04:43" (1/1) ... [2025-01-10 02:04:43,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:04:43,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:04:43,500 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:04:43,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:04:43,522 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:04:43,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:43 WrapperNode [2025-01-10 02:04:43,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:04:43,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:04:43,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:04:43,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:04:43,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:43" (1/1) ... [2025-01-10 02:04:43,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:43" (1/1) ... [2025-01-10 02:04:43,543 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 42 [2025-01-10 02:04:43,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:04:43,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:04:43,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:04:43,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:04:43,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:43" (1/1) ... [2025-01-10 02:04:43,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:43" (1/1) ... [2025-01-10 02:04:43,556 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:43" (1/1) ... [2025-01-10 02:04:43,564 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 02:04:43,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:43" (1/1) ... [2025-01-10 02:04:43,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:43" (1/1) ... [2025-01-10 02:04:43,566 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:43" (1/1) ... [2025-01-10 02:04:43,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:43" (1/1) ... [2025-01-10 02:04:43,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:43" (1/1) ... [2025-01-10 02:04:43,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:43" (1/1) ... [2025-01-10 02:04:43,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:43" (1/1) ... [2025-01-10 02:04:43,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:04:43,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:04:43,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:04:43,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:04:43,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:43" (1/1) ... [2025-01-10 02:04:43,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:04:43,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:04:43,597 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 02:04:43,599 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 02:04:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:04:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:04:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:04:43,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:04:43,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:04:43,617 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:04:43,651 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:04:43,653 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:04:43,745 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-01-10 02:04:43,745 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:04:43,752 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:04:43,752 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 02:04:43,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:04:43 BoogieIcfgContainer [2025-01-10 02:04:43,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:04:43,756 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:04:43,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:04:43,759 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:04:43,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:04:43" (1/3) ... [2025-01-10 02:04:43,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50df9460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:04:43, skipping insertion in model container [2025-01-10 02:04:43,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:04:43" (2/3) ... [2025-01-10 02:04:43,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50df9460 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:04:43, skipping insertion in model container [2025-01-10 02:04:43,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:04:43" (3/3) ... [2025-01-10 02:04:43,763 INFO L128 eAbstractionObserver]: Analyzing ICFG freire1_valuebound1.c [2025-01-10 02:04:43,774 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:04:43,775 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG freire1_valuebound1.c that has 2 procedures, 29 locations, 1 initial locations, 1 loop locations, and 6 error locations. [2025-01-10 02:04:43,815 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:04:43,823 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;@76b1769a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:04:43,824 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-01-10 02:04:43,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 25 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:04:43,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 02:04:43,830 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:04:43,831 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 02:04:43,831 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:04:43,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:04:43,835 INFO L85 PathProgramCache]: Analyzing trace with hash 28693830, now seen corresponding path program 1 times [2025-01-10 02:04:43,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:04:43,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337668434] [2025-01-10 02:04:43,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:04:43,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:04:43,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 02:04:43,901 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 02:04:43,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:04:43,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:04:43,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:04:43,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:04:43,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337668434] [2025-01-10 02:04:43,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337668434] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:04:43,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:04:43,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:04:43,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204460927] [2025-01-10 02:04:43,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:04:43,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:04:43,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:04:43,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:04:43,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:04:43,952 INFO L87 Difference]: Start difference. First operand has 29 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 25 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 02:04:43,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:04:43,964 INFO L93 Difference]: Finished difference Result 52 states and 63 transitions. [2025-01-10 02:04:43,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:04:43,965 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-01-10 02:04:43,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:04:43,968 INFO L225 Difference]: With dead ends: 52 [2025-01-10 02:04:43,968 INFO L226 Difference]: Without dead ends: 20 [2025-01-10 02:04:43,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:04:43,971 INFO L435 NwaCegarLoop]: 27 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, 27 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 02:04:43,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:04:43,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2025-01-10 02:04:43,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2025-01-10 02:04:43,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 17 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:04:43,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2025-01-10 02:04:43,992 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 5 [2025-01-10 02:04:43,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:04:43,992 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2025-01-10 02:04:43,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 02:04:43,993 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2025-01-10 02:04:43,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 02:04:43,993 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:04:43,993 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 02:04:43,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 02:04:43,993 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:04:43,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:04:43,994 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2025-01-10 02:04:43,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:04:43,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856734055] [2025-01-10 02:04:43,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:04:43,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:04:43,998 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 02:04:44,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 02:04:44,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:04:44,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:04:44,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [577755231] [2025-01-10 02:04:44,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:04:44,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:04:44,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:04:44,006 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 02:04:44,008 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 02:04:44,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 02:04:44,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 02:04:44,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:04:44,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:04:44,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:04:44,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:04:44,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:04:44,074 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:04:44,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:04:44,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856734055] [2025-01-10 02:04:44,075 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:04:44,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577755231] [2025-01-10 02:04:44,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577755231] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:04:44,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:04:44,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:04:44,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877149002] [2025-01-10 02:04:44,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:04:44,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:04:44,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:04:44,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:04:44,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:04:44,077 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:04:44,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:04:44,099 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2025-01-10 02:04:44,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:04:44,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-01-10 02:04:44,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:04:44,099 INFO L225 Difference]: With dead ends: 32 [2025-01-10 02:04:44,099 INFO L226 Difference]: Without dead ends: 26 [2025-01-10 02:04:44,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 02:04:44,100 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 5 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:04:44,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 24 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:04:44,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2025-01-10 02:04:44,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2025-01-10 02:04:44,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 22 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:04:44,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2025-01-10 02:04:44,107 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 6 [2025-01-10 02:04:44,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:04:44,107 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2025-01-10 02:04:44,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:04:44,108 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2025-01-10 02:04:44,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-10 02:04:44,108 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:04:44,108 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:04:44,114 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 02:04:44,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:04:44,309 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:04:44,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:04:44,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1203083230, now seen corresponding path program 1 times [2025-01-10 02:04:44,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:04:44,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761576357] [2025-01-10 02:04:44,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:04:44,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:04:44,316 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 02:04:44,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 02:04:44,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:04:44,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:04:44,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2008052850] [2025-01-10 02:04:44,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:04:44,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:04:44,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:04:44,334 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 02:04:44,335 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 02:04:44,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 02:04:44,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 02:04:44,378 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:04:44,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:04:44,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:04:44,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:04:44,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:04:44,424 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:04:44,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:04:44,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:04:44,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761576357] [2025-01-10 02:04:44,503 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:04:44,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008052850] [2025-01-10 02:04:44,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008052850] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:04:44,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:04:44,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-01-10 02:04:44,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859548341] [2025-01-10 02:04:44,504 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:04:44,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:04:44,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:04:44,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:04:44,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:04:44,505 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:04:44,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:04:44,587 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2025-01-10 02:04:44,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:04:44,587 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2025-01-10 02:04:44,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:04:44,588 INFO L225 Difference]: With dead ends: 45 [2025-01-10 02:04:44,588 INFO L226 Difference]: Without dead ends: 35 [2025-01-10 02:04:44,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:04:44,588 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 22 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:04:44,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 42 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:04:44,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2025-01-10 02:04:44,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2025-01-10 02:04:44,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 29 states have internal predecessors, (30), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:04:44,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2025-01-10 02:04:44,600 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 16 [2025-01-10 02:04:44,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:04:44,601 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2025-01-10 02:04:44,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:04:44,601 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2025-01-10 02:04:44,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-10 02:04:44,603 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:04:44,603 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2025-01-10 02:04:44,609 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 02:04:44,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:04:44,807 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:04:44,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:04:44,807 INFO L85 PathProgramCache]: Analyzing trace with hash 75008342, now seen corresponding path program 2 times [2025-01-10 02:04:44,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:04:44,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079346983] [2025-01-10 02:04:44,808 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:04:44,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:04:44,816 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 46 statements into 2 equivalence classes. [2025-01-10 02:04:44,830 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:04:44,830 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:04:44,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:04:44,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1122501538] [2025-01-10 02:04:44,831 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:04:44,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:04:44,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:04:44,833 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 02:04:44,835 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 02:04:44,867 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 46 statements into 2 equivalence classes. [2025-01-10 02:04:44,885 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:04:44,885 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:04:44,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:04:44,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 02:04:44,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:04:44,979 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:04:44,980 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:04:45,117 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:04:45,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:04:45,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079346983] [2025-01-10 02:04:45,118 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:04:45,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122501538] [2025-01-10 02:04:45,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122501538] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:04:45,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:04:45,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-01-10 02:04:45,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525938344] [2025-01-10 02:04:45,118 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:04:45,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:04:45,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:04:45,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:04:45,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:04:45,121 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:04:45,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:04:45,311 INFO L93 Difference]: Finished difference Result 72 states and 86 transitions. [2025-01-10 02:04:45,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:04:45,312 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 46 [2025-01-10 02:04:45,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:04:45,313 INFO L225 Difference]: With dead ends: 72 [2025-01-10 02:04:45,313 INFO L226 Difference]: Without dead ends: 71 [2025-01-10 02:04:45,313 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:04:45,314 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 21 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:04:45,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 127 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:04:45,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2025-01-10 02:04:45,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2025-01-10 02:04:45,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 59 states have (on average 1.0169491525423728) internal successors, (60), 59 states have internal predecessors, (60), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 02:04:45,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 80 transitions. [2025-01-10 02:04:45,327 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 80 transitions. Word has length 46 [2025-01-10 02:04:45,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:04:45,327 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 80 transitions. [2025-01-10 02:04:45,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:04:45,327 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2025-01-10 02:04:45,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-01-10 02:04:45,329 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:04:45,329 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2025-01-10 02:04:45,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-10 02:04:45,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:04:45,534 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:04:45,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:04:45,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1174220098, now seen corresponding path program 3 times [2025-01-10 02:04:45,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:04:45,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678823538] [2025-01-10 02:04:45,535 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:04:45,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:04:45,549 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 106 statements into 11 equivalence classes. [2025-01-10 02:04:45,597 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 02:04:45,597 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 02:04:45,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:04:45,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [775833335] [2025-01-10 02:04:45,602 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:04:45,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:04:45,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:04:45,604 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 02:04:45,605 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 02:04:45,649 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 106 statements into 11 equivalence classes. [2025-01-10 02:04:45,685 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 02:04:45,685 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 02:04:45,685 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:04:45,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 02:04:45,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:04:45,834 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 02:04:45,835 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:04:46,224 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 02:04:46,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:04:46,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678823538] [2025-01-10 02:04:46,224 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:04:46,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775833335] [2025-01-10 02:04:46,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775833335] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:04:46,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:04:46,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2025-01-10 02:04:46,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491336904] [2025-01-10 02:04:46,224 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:04:46,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-10 02:04:46,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:04:46,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-10 02:04:46,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2025-01-10 02:04:46,226 INFO L87 Difference]: Start difference. First operand 71 states and 80 transitions. Second operand has 24 states, 23 states have (on average 4.869565217391305) internal successors, (112), 24 states have internal predecessors, (112), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:04:46,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:04:46,869 INFO L93 Difference]: Finished difference Result 144 states and 176 transitions. [2025-01-10 02:04:46,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 02:04:46,870 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.869565217391305) internal successors, (112), 24 states have internal predecessors, (112), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Word has length 106 [2025-01-10 02:04:46,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:04:46,871 INFO L225 Difference]: With dead ends: 144 [2025-01-10 02:04:46,871 INFO L226 Difference]: Without dead ends: 143 [2025-01-10 02:04:46,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=406, Invalid=716, Unknown=0, NotChecked=0, Total=1122 [2025-01-10 02:04:46,872 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 36 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:04:46,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 385 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:04:46,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2025-01-10 02:04:46,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2025-01-10 02:04:46,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 119 states have (on average 1.0084033613445378) internal successors, (120), 119 states have internal predecessors, (120), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:04:46,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 164 transitions. [2025-01-10 02:04:46,891 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 164 transitions. Word has length 106 [2025-01-10 02:04:46,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:04:46,892 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 164 transitions. [2025-01-10 02:04:46,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.869565217391305) internal successors, (112), 24 states have internal predecessors, (112), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:04:46,892 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 164 transitions. [2025-01-10 02:04:46,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2025-01-10 02:04:46,896 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:04:46,896 INFO L218 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2025-01-10 02:04:46,902 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 02:04:47,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:04:47,097 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:04:47,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:04:47,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1357217394, now seen corresponding path program 4 times [2025-01-10 02:04:47,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:04:47,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778161859] [2025-01-10 02:04:47,098 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:04:47,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:04:47,116 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 226 statements into 2 equivalence classes. [2025-01-10 02:04:47,170 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 226 of 226 statements. [2025-01-10 02:04:47,172 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 02:04:47,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:04:47,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1439648160] [2025-01-10 02:04:47,175 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:04:47,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:04:47,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:04:47,179 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 02:04:47,181 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 02:04:47,215 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 226 statements into 2 equivalence classes. [2025-01-10 02:04:47,252 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 226 of 226 statements. [2025-01-10 02:04:47,252 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 02:04:47,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:04:47,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-01-10 02:04:47,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:04:47,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2354 backedges. 0 proven. 1430 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-01-10 02:04:47,612 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:04:48,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2354 backedges. 0 proven. 1430 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-01-10 02:04:48,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:04:48,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778161859] [2025-01-10 02:04:48,632 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:04:48,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439648160] [2025-01-10 02:04:48,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439648160] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:04:48,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:04:48,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2025-01-10 02:04:48,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792928693] [2025-01-10 02:04:48,632 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:04:48,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-01-10 02:04:48,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:04:48,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-01-10 02:04:48,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=1634, Unknown=0, NotChecked=0, Total=2256 [2025-01-10 02:04:48,635 INFO L87 Difference]: Start difference. First operand 143 states and 164 transitions. Second operand has 48 states, 47 states have (on average 4.9361702127659575) internal successors, (232), 48 states have internal predecessors, (232), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-01-10 02:04:51,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:04:51,159 INFO L93 Difference]: Finished difference Result 288 states and 356 transitions. [2025-01-10 02:04:51,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-10 02:04:51,159 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.9361702127659575) internal successors, (232), 48 states have internal predecessors, (232), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Word has length 226 [2025-01-10 02:04:51,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:04:51,162 INFO L225 Difference]: With dead ends: 288 [2025-01-10 02:04:51,162 INFO L226 Difference]: Without dead ends: 287 [2025-01-10 02:04:51,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1678, Invalid=3152, Unknown=0, NotChecked=0, Total=4830 [2025-01-10 02:04:51,164 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 75 mSDsluCounter, 1172 mSDsCounter, 0 mSdLazyCounter, 2803 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 2828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 02:04:51,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 1249 Invalid, 2828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2803 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 02:04:51,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2025-01-10 02:04:51,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2025-01-10 02:04:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 239 states have (on average 1.00418410041841) internal successors, (240), 239 states have internal predecessors, (240), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-01-10 02:04:51,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 332 transitions. [2025-01-10 02:04:51,182 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 332 transitions. Word has length 226 [2025-01-10 02:04:51,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:04:51,183 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 332 transitions. [2025-01-10 02:04:51,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.9361702127659575) internal successors, (232), 48 states have internal predecessors, (232), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-01-10 02:04:51,183 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 332 transitions. [2025-01-10 02:04:51,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2025-01-10 02:04:51,188 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:04:51,188 INFO L218 NwaCegarLoop]: trace histogram [47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2025-01-10 02:04:51,195 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 02:04:51,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:04:51,390 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:04:51,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:04:51,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1506914514, now seen corresponding path program 5 times [2025-01-10 02:04:51,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:04:51,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672374586] [2025-01-10 02:04:51,391 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 02:04:51,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:04:51,422 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 466 statements into 47 equivalence classes. [2025-01-10 02:04:51,656 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 466 of 466 statements. [2025-01-10 02:04:51,656 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-01-10 02:04:51,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:04:51,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [900136187] [2025-01-10 02:04:51,660 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 02:04:51,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:04:51,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:04:51,664 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 02:04:51,665 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 02:04:51,716 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 466 statements into 47 equivalence classes. [2025-01-10 02:04:51,832 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 466 of 466 statements. [2025-01-10 02:04:51,832 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-01-10 02:04:51,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:04:51,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 95 conjuncts are in the unsatisfiable core [2025-01-10 02:04:51,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:04:52,734 INFO L134 CoverageAnalysis]: Checked inductivity of 10442 backedges. 0 proven. 6302 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2025-01-10 02:04:52,735 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:04:55,658 INFO L134 CoverageAnalysis]: Checked inductivity of 10442 backedges. 0 proven. 6302 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2025-01-10 02:04:55,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:04:55,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672374586] [2025-01-10 02:04:55,659 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:04:55,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900136187] [2025-01-10 02:04:55,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900136187] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:04:55,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:04:55,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48] total 95 [2025-01-10 02:04:55,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529924380] [2025-01-10 02:04:55,659 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:04:55,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-01-10 02:04:55,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:04:55,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-01-10 02:04:55,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2398, Invalid=6722, Unknown=0, NotChecked=0, Total=9120 [2025-01-10 02:04:55,665 INFO L87 Difference]: Start difference. First operand 287 states and 332 transitions. Second operand has 96 states, 95 states have (on average 4.968421052631579) internal successors, (472), 96 states have internal predecessors, (472), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-01-10 02:05:06,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:05:06,175 INFO L93 Difference]: Finished difference Result 576 states and 716 transitions. [2025-01-10 02:05:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-01-10 02:05:06,176 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 4.968421052631579) internal successors, (472), 96 states have internal predecessors, (472), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) Word has length 466 [2025-01-10 02:05:06,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:05:06,179 INFO L225 Difference]: With dead ends: 576 [2025-01-10 02:05:06,179 INFO L226 Difference]: Without dead ends: 575 [2025-01-10 02:05:06,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 976 GetRequests, 836 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=6814, Invalid=13208, Unknown=0, NotChecked=0, Total=20022 [2025-01-10 02:05:06,183 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 144 mSDsluCounter, 4704 mSDsCounter, 0 mSdLazyCounter, 11373 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 4853 SdHoareTripleChecker+Invalid, 11421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 11373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:05:06,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 4853 Invalid, 11421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 11373 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2025-01-10 02:05:06,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2025-01-10 02:05:06,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2025-01-10 02:05:06,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 479 states have (on average 1.0020876826722338) internal successors, (480), 479 states have internal predecessors, (480), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2025-01-10 02:05:06,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 668 transitions. [2025-01-10 02:05:06,210 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 668 transitions. Word has length 466 [2025-01-10 02:05:06,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:05:06,212 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 668 transitions. [2025-01-10 02:05:06,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 4.968421052631579) internal successors, (472), 96 states have internal predecessors, (472), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-01-10 02:05:06,212 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 668 transitions. [2025-01-10 02:05:06,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 947 [2025-01-10 02:05:06,226 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:05:06,227 INFO L218 NwaCegarLoop]: trace histogram [95, 94, 94, 94, 94, 94, 94, 94, 94, 94, 1, 1, 1, 1, 1] [2025-01-10 02:05:06,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 02:05:06,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-01-10 02:05:06,431 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:05:06,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:05:06,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1767396754, now seen corresponding path program 6 times [2025-01-10 02:05:06,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:05:06,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991065575] [2025-01-10 02:05:06,432 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 02:05:06,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:05:06,469 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 946 statements into 95 equivalence classes. [2025-01-10 02:05:06,936 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 946 of 946 statements. [2025-01-10 02:05:06,936 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-01-10 02:05:06,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:05:06,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [309911148] [2025-01-10 02:05:06,943 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 02:05:06,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:05:06,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:05:06,947 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 02:05:06,948 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 02:05:07,042 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 946 statements into 95 equivalence classes. [2025-01-10 02:05:07,767 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 946 of 946 statements. [2025-01-10 02:05:07,767 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-01-10 02:05:07,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:05:07,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 1534 conjuncts, 98 conjuncts are in the unsatisfiable core [2025-01-10 02:05:07,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:05:10,735 INFO L134 CoverageAnalysis]: Checked inductivity of 43898 backedges. 0 proven. 26414 refuted. 0 times theorem prover too weak. 17484 trivial. 0 not checked. [2025-01-10 02:05:10,738 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:05:11,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:05:11,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991065575] [2025-01-10 02:05:11,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:05:11,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309911148] [2025-01-10 02:05:11,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309911148] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:05:11,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:05:11,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2025-01-10 02:05:11,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117301744] [2025-01-10 02:05:11,133 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:05:11,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2025-01-10 02:05:11,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:05:11,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2025-01-10 02:05:11,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4771, Invalid=5531, Unknown=0, NotChecked=0, Total=10302 [2025-01-10 02:05:11,137 INFO L87 Difference]: Start difference. First operand 575 states and 668 transitions. Second operand has 98 states, 97 states have (on average 4.938144329896907) internal successors, (479), 98 states have internal predecessors, (479), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2025-01-10 02:05:15,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:05:15,907 INFO L93 Difference]: Finished difference Result 586 states and 681 transitions. [2025-01-10 02:05:15,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-10 02:05:15,908 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 97 states have (on average 4.938144329896907) internal successors, (479), 98 states have internal predecessors, (479), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) Word has length 946 [2025-01-10 02:05:15,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:05:15,911 INFO L225 Difference]: With dead ends: 586 [2025-01-10 02:05:15,911 INFO L226 Difference]: Without dead ends: 585 [2025-01-10 02:05:15,915 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1055 GetRequests, 861 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4751 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=14359, Invalid=23861, Unknown=0, NotChecked=0, Total=38220 [2025-01-10 02:05:15,916 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 379 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:05:15,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 125 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:05:15,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2025-01-10 02:05:15,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 581. [2025-01-10 02:05:15,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 484 states have (on average 1.0020661157024793) internal successors, (485), 484 states have internal predecessors, (485), 95 states have call successors, (95), 1 states have call predecessors, (95), 1 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2025-01-10 02:05:15,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 675 transitions. [2025-01-10 02:05:15,943 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 675 transitions. Word has length 946 [2025-01-10 02:05:15,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:05:15,944 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 675 transitions. [2025-01-10 02:05:15,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 97 states have (on average 4.938144329896907) internal successors, (479), 98 states have internal predecessors, (479), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2025-01-10 02:05:15,945 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 675 transitions. [2025-01-10 02:05:15,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2025-01-10 02:05:15,957 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:05:15,958 INFO L218 NwaCegarLoop]: trace histogram [96, 95, 95, 95, 95, 95, 95, 95, 95, 95, 1, 1, 1, 1, 1] [2025-01-10 02:05:15,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-10 02:05:16,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:05:16,158 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:05:16,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:05:16,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1979683798, now seen corresponding path program 7 times [2025-01-10 02:05:16,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:05:16,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839198119] [2025-01-10 02:05:16,159 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 02:05:16,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:05:16,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 956 statements into 1 equivalence classes. [2025-01-10 02:05:16,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 956 of 956 statements. [2025-01-10 02:05:16,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:05:16,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:05:16,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [265380446] [2025-01-10 02:05:16,318 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 02:05:16,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:05:16,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:05:16,320 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 02:05:16,321 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 02:05:16,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 956 statements into 1 equivalence classes. [2025-01-10 02:05:16,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 956 of 956 statements. [2025-01-10 02:05:16,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:05:16,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:05:16,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 1550 conjuncts, 193 conjuncts are in the unsatisfiable core [2025-01-10 02:05:16,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:05:19,383 INFO L134 CoverageAnalysis]: Checked inductivity of 44840 backedges. 0 proven. 26980 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2025-01-10 02:05:19,383 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:05:30,094 INFO L134 CoverageAnalysis]: Checked inductivity of 44840 backedges. 0 proven. 26980 refuted. 0 times theorem prover too weak. 17860 trivial. 0 not checked. [2025-01-10 02:05:30,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:05:30,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839198119] [2025-01-10 02:05:30,094 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:05:30,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265380446] [2025-01-10 02:05:30,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265380446] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:05:30,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:05:30,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 97] total 193 [2025-01-10 02:05:30,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801239560] [2025-01-10 02:05:30,095 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:05:30,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 194 states [2025-01-10 02:05:30,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:05:30,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2025-01-10 02:05:30,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9601, Invalid=27841, Unknown=0, NotChecked=0, Total=37442 [2025-01-10 02:05:30,101 INFO L87 Difference]: Start difference. First operand 581 states and 675 transitions. Second operand has 194 states, 193 states have (on average 4.984455958549223) internal successors, (962), 194 states have internal predecessors, (962), 190 states have call successors, (190), 1 states have call predecessors, (190), 1 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190)