./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.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 4ecd26f30dcf2e00e51585057257a3ebe53fdc2d12652276addf710ad43d7dfd --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:21:01,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:21:01,171 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:21:01,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:21:01,183 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:21:01,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:21:01,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:21:01,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:21:01,215 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:21:01,215 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:21:01,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:21:01,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:21:01,215 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:21:01,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:21:01,215 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:21:01,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:21:01,216 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:21:01,216 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:21:01,216 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:21:01,216 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:21:01,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:21:01,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:21:01,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:21:01,218 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:21:01,218 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:21:01,218 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:21:01,218 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:21:01,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:21:01,218 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:21:01,219 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:21:01,219 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:21:01,219 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:21:01,219 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:21:01,219 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:21:01,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:21:01,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:21:01,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:21:01,220 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:21:01,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:21:01,220 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:21:01,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:21:01,220 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:21:01,220 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:21:01,220 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:21:01,221 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:21:01,221 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 -> 4ecd26f30dcf2e00e51585057257a3ebe53fdc2d12652276addf710ad43d7dfd [2025-02-08 09:21:01,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:21:01,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:21:01,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:21:01,507 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:21:01,507 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:21:01,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c [2025-02-08 09:21:02,837 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/929d658aa/4800dc21680141f7b577b77d54a50486/FLAG2d3dc6c37 [2025-02-08 09:21:03,070 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:21:03,071 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound100.c [2025-02-08 09:21:03,086 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/929d658aa/4800dc21680141f7b577b77d54a50486/FLAG2d3dc6c37 [2025-02-08 09:21:03,414 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/929d658aa/4800dc21680141f7b577b77d54a50486 [2025-02-08 09:21:03,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:21:03,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:21:03,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:21:03,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:21:03,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:21:03,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:21:03" (1/1) ... [2025-02-08 09:21:03,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd103d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:03, skipping insertion in model container [2025-02-08 09:21:03,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:21:03" (1/1) ... [2025-02-08 09:21:03,436 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:21:03,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:21:03,601 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:21:03,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:21:03,648 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:21:03,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:03 WrapperNode [2025-02-08 09:21:03,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:21:03,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:21:03,650 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:21:03,650 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:21:03,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:03" (1/1) ... [2025-02-08 09:21:03,666 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:03" (1/1) ... [2025-02-08 09:21:03,696 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 189 [2025-02-08 09:21:03,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:21:03,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:21:03,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:21:03,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:21:03,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:03" (1/1) ... [2025-02-08 09:21:03,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:03" (1/1) ... [2025-02-08 09:21:03,711 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:03" (1/1) ... [2025-02-08 09:21:03,727 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 09:21:03,728 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:03" (1/1) ... [2025-02-08 09:21:03,729 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:03" (1/1) ... [2025-02-08 09:21:03,736 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:03" (1/1) ... [2025-02-08 09:21:03,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:03" (1/1) ... [2025-02-08 09:21:03,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:03" (1/1) ... [2025-02-08 09:21:03,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:03" (1/1) ... [2025-02-08 09:21:03,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:21:03,746 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:21:03,746 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:21:03,746 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:21:03,748 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:03" (1/1) ... [2025-02-08 09:21:03,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:21:03,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:03,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 09:21:03,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 09:21:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:21:03,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:21:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:21:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:21:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:21:03,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:21:03,854 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:21:03,856 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:21:04,601 INFO L? ?]: Removed 238 outVars from TransFormulas that were not future-live. [2025-02-08 09:21:04,602 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:21:04,623 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:21:04,624 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:21:04,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:21:04 BoogieIcfgContainer [2025-02-08 09:21:04,624 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:21:04,627 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:21:04,627 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:21:04,631 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:21:04,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:21:03" (1/3) ... [2025-02-08 09:21:04,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26bd7969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:21:04, skipping insertion in model container [2025-02-08 09:21:04,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:03" (2/3) ... [2025-02-08 09:21:04,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26bd7969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:21:04, skipping insertion in model container [2025-02-08 09:21:04,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:21:04" (3/3) ... [2025-02-08 09:21:04,633 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound100.c [2025-02-08 09:21:04,645 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:21:04,646 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu-ll_valuebound100.c that has 2 procedures, 299 locations, 1 initial locations, 1 loop locations, and 138 error locations. [2025-02-08 09:21:04,706 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:21:04,715 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;@5cf4c257, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:21:04,715 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2025-02-08 09:21:04,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 299 states, 148 states have (on average 1.9594594594594594) internal successors, (290), 286 states have internal predecessors, (290), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:21:04,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:21:04,725 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:04,725 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:21:04,725 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:04,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:04,729 INFO L85 PathProgramCache]: Analyzing trace with hash 310086500, now seen corresponding path program 1 times [2025-02-08 09:21:04,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:04,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805731820] [2025-02-08 09:21:04,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:04,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:04,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:21:04,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:21:04,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:04,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:04,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:21:04,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:04,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805731820] [2025-02-08 09:21:04,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805731820] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:04,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:04,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:04,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548342791] [2025-02-08 09:21:04,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:04,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:21:04,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:04,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:21:04,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:21:04,868 INFO L87 Difference]: Start difference. First operand has 299 states, 148 states have (on average 1.9594594594594594) internal successors, (290), 286 states have internal predecessors, (290), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) 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) [2025-02-08 09:21:04,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:04,911 INFO L93 Difference]: Finished difference Result 589 states and 632 transitions. [2025-02-08 09:21:04,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:21:04,913 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 [2025-02-08 09:21:04,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:04,920 INFO L225 Difference]: With dead ends: 589 [2025-02-08 09:21:04,920 INFO L226 Difference]: Without dead ends: 288 [2025-02-08 09:21:04,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:21:04,937 INFO L435 NwaCegarLoop]: 302 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, 302 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:04,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:21:04,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2025-02-08 09:21:04,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2025-02-08 09:21:04,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 146 states have (on average 1.8972602739726028) internal successors, (277), 276 states have internal predecessors, (277), 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) [2025-02-08 09:21:04,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 297 transitions. [2025-02-08 09:21:04,992 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 297 transitions. Word has length 5 [2025-02-08 09:21:04,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:04,993 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 297 transitions. [2025-02-08 09:21:04,993 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) [2025-02-08 09:21:04,993 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 297 transitions. [2025-02-08 09:21:04,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:21:04,993 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:04,993 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:21:04,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:21:04,994 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:04,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:04,994 INFO L85 PathProgramCache]: Analyzing trace with hash 310116291, now seen corresponding path program 1 times [2025-02-08 09:21:04,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:04,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48194951] [2025-02-08 09:21:04,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:04,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:05,001 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:21:05,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:21:05,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:05,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:05,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:21:05,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:05,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48194951] [2025-02-08 09:21:05,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48194951] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:05,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:05,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:05,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407550541] [2025-02-08 09:21:05,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:05,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:21:05,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:05,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:21:05,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:05,086 INFO L87 Difference]: Start difference. First operand 288 states and 297 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2025-02-08 09:21:05,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:05,263 INFO L93 Difference]: Finished difference Result 557 states and 576 transitions. [2025-02-08 09:21:05,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:05,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 [2025-02-08 09:21:05,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:05,268 INFO L225 Difference]: With dead ends: 557 [2025-02-08 09:21:05,271 INFO L226 Difference]: Without dead ends: 537 [2025-02-08 09:21:05,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:05,274 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 237 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:05,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 520 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:21:05,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2025-02-08 09:21:05,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 347. [2025-02-08 09:21:05,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 200 states have (on average 1.795) internal successors, (359), 330 states have internal predecessors, (359), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:21:05,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 389 transitions. [2025-02-08 09:21:05,312 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 389 transitions. Word has length 5 [2025-02-08 09:21:05,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:05,313 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 389 transitions. [2025-02-08 09:21:05,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2025-02-08 09:21:05,313 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 389 transitions. [2025-02-08 09:21:05,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:21:05,314 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:05,314 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:05,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:21:05,314 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:05,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:05,315 INFO L85 PathProgramCache]: Analyzing trace with hash -916147448, now seen corresponding path program 1 times [2025-02-08 09:21:05,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:05,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341469138] [2025-02-08 09:21:05,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:05,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:05,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:21:05,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:21:05,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:05,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:05,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1872219922] [2025-02-08 09:21:05,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:05,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:05,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:05,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:05,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 09:21:05,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:21:05,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:21:05,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:05,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:05,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:21:05,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:05,601 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:21:05,602 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:21:05,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:05,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341469138] [2025-02-08 09:21:05,603 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:05,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872219922] [2025-02-08 09:21:05,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872219922] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:05,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:05,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:05,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720031158] [2025-02-08 09:21:05,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:05,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:21:05,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:05,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:21:05,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:05,605 INFO L87 Difference]: Start difference. First operand 347 states and 389 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:06,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:06,128 INFO L93 Difference]: Finished difference Result 507 states and 564 transitions. [2025-02-08 09:21:06,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:06,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2025-02-08 09:21:06,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:06,131 INFO L225 Difference]: With dead ends: 507 [2025-02-08 09:21:06,131 INFO L226 Difference]: Without dead ends: 452 [2025-02-08 09:21:06,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:06,133 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 134 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:06,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 267 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:21:06,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2025-02-08 09:21:06,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 432. [2025-02-08 09:21:06,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 280 states have (on average 1.65) internal successors, (462), 410 states have internal predecessors, (462), 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) [2025-02-08 09:21:06,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 502 transitions. [2025-02-08 09:21:06,176 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 502 transitions. Word has length 38 [2025-02-08 09:21:06,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:06,177 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 502 transitions. [2025-02-08 09:21:06,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:06,177 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 502 transitions. [2025-02-08 09:21:06,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 09:21:06,178 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:06,178 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:06,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 09:21:06,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:06,383 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:06,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:06,384 INFO L85 PathProgramCache]: Analyzing trace with hash 50605094, now seen corresponding path program 1 times [2025-02-08 09:21:06,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:06,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19831319] [2025-02-08 09:21:06,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:06,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:06,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:21:06,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:21:06,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:06,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:06,502 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:21:06,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:06,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19831319] [2025-02-08 09:21:06,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19831319] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:06,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:06,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:06,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130132806] [2025-02-08 09:21:06,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:06,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:21:06,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:06,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:21:06,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:06,505 INFO L87 Difference]: Start difference. First operand 432 states and 502 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:06,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:06,788 INFO L93 Difference]: Finished difference Result 465 states and 509 transitions. [2025-02-08 09:21:06,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:06,788 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2025-02-08 09:21:06,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:06,791 INFO L225 Difference]: With dead ends: 465 [2025-02-08 09:21:06,791 INFO L226 Difference]: Without dead ends: 442 [2025-02-08 09:21:06,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:06,792 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 120 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:06,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 425 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:21:06,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2025-02-08 09:21:06,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 432. [2025-02-08 09:21:06,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 280 states have (on average 1.5678571428571428) internal successors, (439), 410 states have internal predecessors, (439), 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) [2025-02-08 09:21:06,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 479 transitions. [2025-02-08 09:21:06,805 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 479 transitions. Word has length 40 [2025-02-08 09:21:06,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:06,805 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 479 transitions. [2025-02-08 09:21:06,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:06,805 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 479 transitions. [2025-02-08 09:21:06,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-08 09:21:06,806 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:06,806 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:06,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 09:21:06,806 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:06,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:06,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1386861892, now seen corresponding path program 1 times [2025-02-08 09:21:06,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:06,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674119456] [2025-02-08 09:21:06,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:06,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:06,815 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:21:06,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:21:06,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:06,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:06,921 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:21:06,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:06,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674119456] [2025-02-08 09:21:06,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674119456] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:06,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:06,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:21:06,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039243433] [2025-02-08 09:21:06,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:06,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:21:06,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:06,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:21:06,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:21:06,922 INFO L87 Difference]: Start difference. First operand 432 states and 479 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:07,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:07,274 INFO L93 Difference]: Finished difference Result 444 states and 486 transitions. [2025-02-08 09:21:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:21:07,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2025-02-08 09:21:07,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:07,277 INFO L225 Difference]: With dead ends: 444 [2025-02-08 09:21:07,277 INFO L226 Difference]: Without dead ends: 442 [2025-02-08 09:21:07,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:21:07,279 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 253 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:07,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 367 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:21:07,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2025-02-08 09:21:07,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 432. [2025-02-08 09:21:07,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 280 states have (on average 1.5607142857142857) internal successors, (437), 410 states have internal predecessors, (437), 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) [2025-02-08 09:21:07,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 477 transitions. [2025-02-08 09:21:07,297 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 477 transitions. Word has length 42 [2025-02-08 09:21:07,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:07,297 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 477 transitions. [2025-02-08 09:21:07,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:07,297 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 477 transitions. [2025-02-08 09:21:07,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:21:07,298 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:07,298 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:07,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 09:21:07,298 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:07,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:07,299 INFO L85 PathProgramCache]: Analyzing trace with hash 43045901, now seen corresponding path program 1 times [2025-02-08 09:21:07,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:07,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325930810] [2025-02-08 09:21:07,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:07,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:07,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:21:07,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:21:07,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:07,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:07,432 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:21:07,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:07,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325930810] [2025-02-08 09:21:07,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325930810] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:07,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:07,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:21:07,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622306110] [2025-02-08 09:21:07,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:07,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:21:07,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:07,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:21:07,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:21:07,434 INFO L87 Difference]: Start difference. First operand 432 states and 477 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:07,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:07,831 INFO L93 Difference]: Finished difference Result 444 states and 484 transitions. [2025-02-08 09:21:07,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:21:07,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2025-02-08 09:21:07,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:07,835 INFO L225 Difference]: With dead ends: 444 [2025-02-08 09:21:07,835 INFO L226 Difference]: Without dead ends: 442 [2025-02-08 09:21:07,835 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:21:07,836 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 252 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:07,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 369 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:21:07,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2025-02-08 09:21:07,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 432. [2025-02-08 09:21:07,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 280 states have (on average 1.5535714285714286) internal successors, (435), 410 states have internal predecessors, (435), 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) [2025-02-08 09:21:07,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 475 transitions. [2025-02-08 09:21:07,856 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 475 transitions. Word has length 43 [2025-02-08 09:21:07,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:07,856 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 475 transitions. [2025-02-08 09:21:07,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:07,856 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 475 transitions. [2025-02-08 09:21:07,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-08 09:21:07,857 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:07,857 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:07,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 09:21:07,857 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:07,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:07,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1814579328, now seen corresponding path program 1 times [2025-02-08 09:21:07,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:07,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625875891] [2025-02-08 09:21:07,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:07,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:07,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:21:07,874 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:21:07,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:07,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:07,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1813291718] [2025-02-08 09:21:07,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:07,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:07,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:07,878 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:07,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 09:21:07,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:21:07,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:21:07,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:07,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:07,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:21:07,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:08,138 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:21:08,138 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:21:08,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:08,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625875891] [2025-02-08 09:21:08,139 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:08,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813291718] [2025-02-08 09:21:08,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813291718] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:08,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:08,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:08,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049653128] [2025-02-08 09:21:08,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:08,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:21:08,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:08,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:21:08,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:08,141 INFO L87 Difference]: Start difference. First operand 432 states and 475 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:08,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:08,578 INFO L93 Difference]: Finished difference Result 449 states and 482 transitions. [2025-02-08 09:21:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:08,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2025-02-08 09:21:08,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:08,582 INFO L225 Difference]: With dead ends: 449 [2025-02-08 09:21:08,582 INFO L226 Difference]: Without dead ends: 440 [2025-02-08 09:21:08,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:08,583 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 112 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:08,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 257 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:21:08,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-02-08 09:21:08,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 435. [2025-02-08 09:21:08,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 283 states have (on average 1.5265017667844523) internal successors, (432), 413 states have internal predecessors, (432), 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) [2025-02-08 09:21:08,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 472 transitions. [2025-02-08 09:21:08,598 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 472 transitions. Word has length 46 [2025-02-08 09:21:08,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:08,598 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 472 transitions. [2025-02-08 09:21:08,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:08,598 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 472 transitions. [2025-02-08 09:21:08,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-08 09:21:08,600 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:08,601 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:08,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 09:21:08,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:08,805 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:08,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:08,806 INFO L85 PathProgramCache]: Analyzing trace with hash -417384119, now seen corresponding path program 1 times [2025-02-08 09:21:08,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:08,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194361072] [2025-02-08 09:21:08,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:08,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:08,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:21:08,821 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:21:08,821 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:08,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:08,923 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:21:08,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:08,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194361072] [2025-02-08 09:21:08,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194361072] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:08,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:08,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:21:08,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368519780] [2025-02-08 09:21:08,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:08,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:21:08,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:08,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:21:08,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:21:08,928 INFO L87 Difference]: Start difference. First operand 435 states and 472 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:09,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:09,450 INFO L93 Difference]: Finished difference Result 448 states and 473 transitions. [2025-02-08 09:21:09,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:21:09,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2025-02-08 09:21:09,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:09,452 INFO L225 Difference]: With dead ends: 448 [2025-02-08 09:21:09,452 INFO L226 Difference]: Without dead ends: 442 [2025-02-08 09:21:09,453 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:21:09,453 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 133 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:09,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 384 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:21:09,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2025-02-08 09:21:09,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 435. [2025-02-08 09:21:09,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 283 states have (on average 1.5053003533568905) internal successors, (426), 413 states have internal predecessors, (426), 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) [2025-02-08 09:21:09,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 466 transitions. [2025-02-08 09:21:09,465 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 466 transitions. Word has length 47 [2025-02-08 09:21:09,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:09,466 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 466 transitions. [2025-02-08 09:21:09,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:09,466 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 466 transitions. [2025-02-08 09:21:09,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-08 09:21:09,467 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:09,467 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:09,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 09:21:09,467 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:09,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:09,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1732042373, now seen corresponding path program 1 times [2025-02-08 09:21:09,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:09,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883607091] [2025-02-08 09:21:09,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:09,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:09,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 09:21:09,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:21:09,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:09,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:09,622 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:21:09,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:09,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883607091] [2025-02-08 09:21:09,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883607091] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:09,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:09,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:21:09,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173135629] [2025-02-08 09:21:09,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:09,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:21:09,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:09,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:21:09,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:21:09,623 INFO L87 Difference]: Start difference. First operand 435 states and 466 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:10,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:10,201 INFO L93 Difference]: Finished difference Result 446 states and 467 transitions. [2025-02-08 09:21:10,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:10,201 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2025-02-08 09:21:10,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:10,203 INFO L225 Difference]: With dead ends: 446 [2025-02-08 09:21:10,203 INFO L226 Difference]: Without dead ends: 373 [2025-02-08 09:21:10,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:21:10,204 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 119 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:10,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 348 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:21:10,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2025-02-08 09:21:10,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 369. [2025-02-08 09:21:10,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 220 states have (on average 1.6227272727272728) internal successors, (357), 350 states have internal predecessors, (357), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-08 09:21:10,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 391 transitions. [2025-02-08 09:21:10,215 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 391 transitions. Word has length 51 [2025-02-08 09:21:10,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:10,215 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 391 transitions. [2025-02-08 09:21:10,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:10,215 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 391 transitions. [2025-02-08 09:21:10,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-02-08 09:21:10,216 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:10,216 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:10,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 09:21:10,216 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:10,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:10,217 INFO L85 PathProgramCache]: Analyzing trace with hash 484079298, now seen corresponding path program 1 times [2025-02-08 09:21:10,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:10,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917218484] [2025-02-08 09:21:10,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:10,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:10,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-02-08 09:21:10,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-02-08 09:21:10,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:10,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:10,302 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:10,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:10,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917218484] [2025-02-08 09:21:10,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917218484] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:10,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:10,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:10,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173961487] [2025-02-08 09:21:10,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:10,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:21:10,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:10,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:21:10,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:10,304 INFO L87 Difference]: Start difference. First operand 369 states and 391 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:10,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:10,614 INFO L93 Difference]: Finished difference Result 369 states and 391 transitions. [2025-02-08 09:21:10,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:10,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 83 [2025-02-08 09:21:10,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:10,616 INFO L225 Difference]: With dead ends: 369 [2025-02-08 09:21:10,616 INFO L226 Difference]: Without dead ends: 362 [2025-02-08 09:21:10,616 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:10,617 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 138 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:10,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 154 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:21:10,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2025-02-08 09:21:10,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2025-02-08 09:21:10,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 220 states have (on average 1.5909090909090908) internal successors, (350), 343 states have internal predecessors, (350), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-08 09:21:10,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 384 transitions. [2025-02-08 09:21:10,629 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 384 transitions. Word has length 83 [2025-02-08 09:21:10,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:10,630 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 384 transitions. [2025-02-08 09:21:10,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:10,630 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 384 transitions. [2025-02-08 09:21:10,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-08 09:21:10,633 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:10,633 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:10,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 09:21:10,633 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:10,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:10,634 INFO L85 PathProgramCache]: Analyzing trace with hash 2121556495, now seen corresponding path program 1 times [2025-02-08 09:21:10,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:10,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342576250] [2025-02-08 09:21:10,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:10,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:10,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 09:21:10,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 09:21:10,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:10,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:10,723 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:10,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:10,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342576250] [2025-02-08 09:21:10,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342576250] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:10,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:10,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:10,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301683611] [2025-02-08 09:21:10,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:10,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:21:10,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:10,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:21:10,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:10,726 INFO L87 Difference]: Start difference. First operand 362 states and 384 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:10,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:10,988 INFO L93 Difference]: Finished difference Result 369 states and 387 transitions. [2025-02-08 09:21:10,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:10,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 84 [2025-02-08 09:21:10,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:10,991 INFO L225 Difference]: With dead ends: 369 [2025-02-08 09:21:10,991 INFO L226 Difference]: Without dead ends: 368 [2025-02-08 09:21:10,991 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:10,992 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 24 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:10,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 392 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:21:10,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2025-02-08 09:21:11,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 364. [2025-02-08 09:21:11,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 222 states have (on average 1.5855855855855856) internal successors, (352), 345 states have internal predecessors, (352), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-08 09:21:11,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 386 transitions. [2025-02-08 09:21:11,004 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 386 transitions. Word has length 84 [2025-02-08 09:21:11,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:11,005 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 386 transitions. [2025-02-08 09:21:11,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 386 transitions. [2025-02-08 09:21:11,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-02-08 09:21:11,006 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:11,006 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:11,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-08 09:21:11,007 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:11,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:11,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1386946156, now seen corresponding path program 1 times [2025-02-08 09:21:11,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:11,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511648271] [2025-02-08 09:21:11,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:11,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:11,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 09:21:11,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 09:21:11,024 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:11,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:11,093 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:21:11,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:11,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511648271] [2025-02-08 09:21:11,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511648271] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:11,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:11,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:11,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694119758] [2025-02-08 09:21:11,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:11,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:21:11,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:11,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:21:11,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:11,099 INFO L87 Difference]: Start difference. First operand 364 states and 386 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-02-08 09:21:11,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:11,207 INFO L93 Difference]: Finished difference Result 364 states and 386 transitions. [2025-02-08 09:21:11,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:11,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 86 [2025-02-08 09:21:11,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:11,210 INFO L225 Difference]: With dead ends: 364 [2025-02-08 09:21:11,210 INFO L226 Difference]: Without dead ends: 362 [2025-02-08 09:21:11,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:11,211 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 192 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:11,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 261 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:21:11,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2025-02-08 09:21:11,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2025-02-08 09:21:11,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 222 states have (on average 1.5675675675675675) internal successors, (348), 343 states have internal predecessors, (348), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-08 09:21:11,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 382 transitions. [2025-02-08 09:21:11,229 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 382 transitions. Word has length 86 [2025-02-08 09:21:11,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:11,230 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 382 transitions. [2025-02-08 09:21:11,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-02-08 09:21:11,230 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 382 transitions. [2025-02-08 09:21:11,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-02-08 09:21:11,231 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:11,231 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:11,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-08 09:21:11,231 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:11,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:11,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1293665587, now seen corresponding path program 1 times [2025-02-08 09:21:11,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:11,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206827387] [2025-02-08 09:21:11,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:11,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:11,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 09:21:11,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 09:21:11,250 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:11,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:11,330 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:11,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:11,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206827387] [2025-02-08 09:21:11,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206827387] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:11,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139648037] [2025-02-08 09:21:11,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:11,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:11,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:11,333 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:11,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 09:21:11,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 09:21:11,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 09:21:11,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:11,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:11,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:21:11,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:11,495 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:11,496 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:21:11,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139648037] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:11,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:11,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-08 09:21:11,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939599593] [2025-02-08 09:21:11,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:11,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:21:11,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:11,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:21:11,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:21:11,498 INFO L87 Difference]: Start difference. First operand 362 states and 382 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:11,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:11,626 INFO L93 Difference]: Finished difference Result 366 states and 382 transitions. [2025-02-08 09:21:11,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:21:11,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 86 [2025-02-08 09:21:11,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:11,628 INFO L225 Difference]: With dead ends: 366 [2025-02-08 09:21:11,628 INFO L226 Difference]: Without dead ends: 358 [2025-02-08 09:21:11,629 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:21:11,629 INFO L435 NwaCegarLoop]: 304 mSDtfsCounter, 420 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:11,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 373 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:21:11,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2025-02-08 09:21:11,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 354. [2025-02-08 09:21:11,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 222 states have (on average 1.5315315315315314) internal successors, (340), 335 states have internal predecessors, (340), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-08 09:21:11,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 374 transitions. [2025-02-08 09:21:11,644 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 374 transitions. Word has length 86 [2025-02-08 09:21:11,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:11,644 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 374 transitions. [2025-02-08 09:21:11,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:11,645 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 374 transitions. [2025-02-08 09:21:11,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-08 09:21:11,646 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:11,646 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:11,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 09:21:11,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:11,847 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:11,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:11,847 INFO L85 PathProgramCache]: Analyzing trace with hash -45657744, now seen corresponding path program 1 times [2025-02-08 09:21:11,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:11,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677375224] [2025-02-08 09:21:11,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:11,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:11,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-08 09:21:11,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-08 09:21:11,866 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:11,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:11,945 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:21:11,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:11,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677375224] [2025-02-08 09:21:11,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677375224] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:11,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:11,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:21:11,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271902736] [2025-02-08 09:21:11,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:11,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:21:11,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:11,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:21:11,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:21:11,947 INFO L87 Difference]: Start difference. First operand 354 states and 374 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:21:12,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:12,151 INFO L93 Difference]: Finished difference Result 358 states and 374 transitions. [2025-02-08 09:21:12,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:21:12,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 87 [2025-02-08 09:21:12,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:12,153 INFO L225 Difference]: With dead ends: 358 [2025-02-08 09:21:12,153 INFO L226 Difference]: Without dead ends: 354 [2025-02-08 09:21:12,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:21:12,154 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 19 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:12,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 897 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:21:12,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2025-02-08 09:21:12,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 352. [2025-02-08 09:21:12,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 220 states have (on average 1.5272727272727273) internal successors, (336), 333 states have internal predecessors, (336), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-08 09:21:12,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 370 transitions. [2025-02-08 09:21:12,170 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 370 transitions. Word has length 87 [2025-02-08 09:21:12,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:12,170 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 370 transitions. [2025-02-08 09:21:12,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:21:12,170 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 370 transitions. [2025-02-08 09:21:12,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-08 09:21:12,171 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:12,171 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:12,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-08 09:21:12,172 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:12,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:12,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1448927277, now seen corresponding path program 1 times [2025-02-08 09:21:12,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:12,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022397428] [2025-02-08 09:21:12,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:12,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:12,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-08 09:21:12,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-08 09:21:12,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:12,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:12,256 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:12,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:12,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022397428] [2025-02-08 09:21:12,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022397428] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:12,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85599728] [2025-02-08 09:21:12,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:12,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:12,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:12,259 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:12,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 09:21:12,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-08 09:21:12,319 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-08 09:21:12,319 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:12,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:12,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:21:12,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:12,406 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:12,406 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:12,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85599728] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:12,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:21:12,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 09:21:12,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882233114] [2025-02-08 09:21:12,539 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:12,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:21:12,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:12,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:21:12,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:21:12,540 INFO L87 Difference]: Start difference. First operand 352 states and 370 transitions. Second operand has 7 states, 6 states have (on average 29.333333333333332) internal successors, (176), 7 states have internal predecessors, (176), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-02-08 09:21:12,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:12,731 INFO L93 Difference]: Finished difference Result 613 states and 651 transitions. [2025-02-08 09:21:12,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:21:12,732 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 29.333333333333332) internal successors, (176), 7 states have internal predecessors, (176), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 87 [2025-02-08 09:21:12,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:12,734 INFO L225 Difference]: With dead ends: 613 [2025-02-08 09:21:12,734 INFO L226 Difference]: Without dead ends: 605 [2025-02-08 09:21:12,734 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:21:12,735 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 648 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:12,735 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [665 Valid, 925 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:21:12,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2025-02-08 09:21:12,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 412. [2025-02-08 09:21:12,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 281 states have (on average 1.5160142348754448) internal successors, (426), 388 states have internal predecessors, (426), 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) [2025-02-08 09:21:12,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 470 transitions. [2025-02-08 09:21:12,749 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 470 transitions. Word has length 87 [2025-02-08 09:21:12,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:12,750 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 470 transitions. [2025-02-08 09:21:12,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 29.333333333333332) internal successors, (176), 7 states have internal predecessors, (176), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-02-08 09:21:12,750 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 470 transitions. [2025-02-08 09:21:12,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-08 09:21:12,751 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:12,751 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:12,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 09:21:12,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-02-08 09:21:12,952 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:12,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:12,953 INFO L85 PathProgramCache]: Analyzing trace with hash -2877981, now seen corresponding path program 1 times [2025-02-08 09:21:12,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:12,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102577376] [2025-02-08 09:21:12,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:12,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:12,961 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 09:21:12,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:21:12,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:12,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:12,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1255490782] [2025-02-08 09:21:12,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:12,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:12,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:12,977 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:12,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 09:21:13,009 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 09:21:13,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:21:13,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:13,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:13,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:21:13,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:13,124 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:21:13,124 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:21:13,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:13,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102577376] [2025-02-08 09:21:13,303 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:13,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255490782] [2025-02-08 09:21:13,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255490782] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:13,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:21:13,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-02-08 09:21:13,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001661484] [2025-02-08 09:21:13,304 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:13,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:21:13,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:13,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:21:13,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:21:13,305 INFO L87 Difference]: Start difference. First operand 412 states and 470 transitions. Second operand has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-08 09:21:13,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:13,503 INFO L93 Difference]: Finished difference Result 615 states and 647 transitions. [2025-02-08 09:21:13,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:21:13,504 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 98 [2025-02-08 09:21:13,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:13,506 INFO L225 Difference]: With dead ends: 615 [2025-02-08 09:21:13,506 INFO L226 Difference]: Without dead ends: 610 [2025-02-08 09:21:13,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:21:13,507 INFO L435 NwaCegarLoop]: 300 mSDtfsCounter, 1114 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1125 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:13,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1125 Valid, 786 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:21:13,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2025-02-08 09:21:13,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 417. [2025-02-08 09:21:13,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 289 states have (on average 1.4740484429065743) internal successors, (426), 392 states have internal predecessors, (426), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:21:13,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 472 transitions. [2025-02-08 09:21:13,522 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 472 transitions. Word has length 98 [2025-02-08 09:21:13,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:13,522 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 472 transitions. [2025-02-08 09:21:13,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-08 09:21:13,523 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 472 transitions. [2025-02-08 09:21:13,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 09:21:13,523 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:13,523 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:13,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 09:21:13,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-02-08 09:21:13,728 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:13,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:13,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1448887635, now seen corresponding path program 1 times [2025-02-08 09:21:13,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:13,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37679191] [2025-02-08 09:21:13,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:13,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:13,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 09:21:13,749 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 09:21:13,749 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:13,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:21:13,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:13,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37679191] [2025-02-08 09:21:13,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37679191] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:13,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:13,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:21:13,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886046321] [2025-02-08 09:21:13,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:13,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:21:13,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:13,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:21:13,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:21:13,891 INFO L87 Difference]: Start difference. First operand 417 states and 472 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:21:14,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:14,065 INFO L93 Difference]: Finished difference Result 423 states and 475 transitions. [2025-02-08 09:21:14,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:21:14,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 103 [2025-02-08 09:21:14,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:14,091 INFO L225 Difference]: With dead ends: 423 [2025-02-08 09:21:14,091 INFO L226 Difference]: Without dead ends: 397 [2025-02-08 09:21:14,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:21:14,092 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 458 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:14,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 400 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:21:14,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2025-02-08 09:21:14,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2025-02-08 09:21:14,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 271 states have (on average 1.4981549815498154) internal successors, (406), 374 states have internal predecessors, (406), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:21:14,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 448 transitions. [2025-02-08 09:21:14,106 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 448 transitions. Word has length 103 [2025-02-08 09:21:14,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:14,106 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 448 transitions. [2025-02-08 09:21:14,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:21:14,107 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 448 transitions. [2025-02-08 09:21:14,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-02-08 09:21:14,107 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:14,107 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:14,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-08 09:21:14,108 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:14,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:14,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1955757762, now seen corresponding path program 1 times [2025-02-08 09:21:14,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:14,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296327264] [2025-02-08 09:21:14,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:14,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:14,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-02-08 09:21:14,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-02-08 09:21:14,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:14,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:14,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [633372825] [2025-02-08 09:21:14,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:14,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:14,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:14,138 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:14,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 09:21:14,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-02-08 09:21:14,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-02-08 09:21:14,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:14,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:14,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:21:14,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:14,467 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:14,468 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:21:14,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:14,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296327264] [2025-02-08 09:21:14,468 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:14,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633372825] [2025-02-08 09:21:14,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633372825] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:14,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:14,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:21:14,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593699935] [2025-02-08 09:21:14,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:14,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:21:14,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:14,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:21:14,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:21:14,472 INFO L87 Difference]: Start difference. First operand 397 states and 448 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 09:21:15,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:15,020 INFO L93 Difference]: Finished difference Result 397 states and 448 transitions. [2025-02-08 09:21:15,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:21:15,020 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 119 [2025-02-08 09:21:15,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:15,022 INFO L225 Difference]: With dead ends: 397 [2025-02-08 09:21:15,022 INFO L226 Difference]: Without dead ends: 387 [2025-02-08 09:21:15,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:21:15,023 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 235 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:15,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 264 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:21:15,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2025-02-08 09:21:15,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2025-02-08 09:21:15,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 271 states have (on average 1.4464944649446494) internal successors, (392), 364 states have internal predecessors, (392), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:21:15,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 434 transitions. [2025-02-08 09:21:15,036 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 434 transitions. Word has length 119 [2025-02-08 09:21:15,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:15,036 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 434 transitions. [2025-02-08 09:21:15,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 09:21:15,036 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 434 transitions. [2025-02-08 09:21:15,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-08 09:21:15,037 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:15,037 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:15,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 09:21:15,237 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,SelfDestructingSolverStorable17 [2025-02-08 09:21:15,238 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:15,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:15,239 INFO L85 PathProgramCache]: Analyzing trace with hash -498948261, now seen corresponding path program 1 times [2025-02-08 09:21:15,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:15,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343361605] [2025-02-08 09:21:15,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:15,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:15,246 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-08 09:21:15,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-08 09:21:15,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:15,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:15,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2027782292] [2025-02-08 09:21:15,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:15,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:15,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:15,263 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:15,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 09:21:15,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-08 09:21:15,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-08 09:21:15,319 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:15,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:15,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:21:15,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:15,594 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:15,594 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:20,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:20,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343361605] [2025-02-08 09:21:20,048 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:20,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027782292] [2025-02-08 09:21:20,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027782292] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:20,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:20,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:21:20,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872943232] [2025-02-08 09:21:20,049 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:20,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:21:20,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:20,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:21:20,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=32, Unknown=1, NotChecked=0, Total=56 [2025-02-08 09:21:20,051 INFO L87 Difference]: Start difference. First operand 387 states and 434 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 09:21:20,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:20,781 INFO L93 Difference]: Finished difference Result 514 states and 593 transitions. [2025-02-08 09:21:20,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:21:20,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 120 [2025-02-08 09:21:20,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:20,784 INFO L225 Difference]: With dead ends: 514 [2025-02-08 09:21:20,784 INFO L226 Difference]: Without dead ends: 490 [2025-02-08 09:21:20,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=23, Invalid=32, Unknown=1, NotChecked=0, Total=56 [2025-02-08 09:21:20,785 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 131 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:20,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 383 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:21:20,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2025-02-08 09:21:20,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 472. [2025-02-08 09:21:20,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 351 states have (on average 1.452991452991453) internal successors, (510), 444 states have internal predecessors, (510), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-08 09:21:20,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 562 transitions. [2025-02-08 09:21:20,802 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 562 transitions. Word has length 120 [2025-02-08 09:21:20,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:20,802 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 562 transitions. [2025-02-08 09:21:20,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 09:21:20,802 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 562 transitions. [2025-02-08 09:21:20,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-02-08 09:21:20,803 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:20,803 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:20,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-08 09:21:21,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:21,005 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:21,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:21,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1712473308, now seen corresponding path program 1 times [2025-02-08 09:21:21,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:21,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026088653] [2025-02-08 09:21:21,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:21,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:21,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-08 09:21:21,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-08 09:21:21,026 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:21,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:21,136 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:21,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:21,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026088653] [2025-02-08 09:21:21,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026088653] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:21,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376174505] [2025-02-08 09:21:21,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:21,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:21,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:21,140 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:21,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 09:21:21,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-08 09:21:21,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-08 09:21:21,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:21,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:21,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:21:21,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:21,417 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:21,418 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:21,587 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:21,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376174505] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:21,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:21:21,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-02-08 09:21:21,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972742512] [2025-02-08 09:21:21,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:21,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:21:21,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:21,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:21:21,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:21:21,591 INFO L87 Difference]: Start difference. First operand 472 states and 562 transitions. Second operand has 8 states, 7 states have (on average 31.142857142857142) internal successors, (218), 8 states have internal predecessors, (218), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-08 09:21:22,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:22,317 INFO L93 Difference]: Finished difference Result 496 states and 569 transitions. [2025-02-08 09:21:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:21:22,318 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.142857142857142) internal successors, (218), 8 states have internal predecessors, (218), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 121 [2025-02-08 09:21:22,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:22,319 INFO L225 Difference]: With dead ends: 496 [2025-02-08 09:21:22,319 INFO L226 Difference]: Without dead ends: 491 [2025-02-08 09:21:22,320 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:21:22,320 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 334 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:22,320 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 650 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:21:22,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2025-02-08 09:21:22,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 468. [2025-02-08 09:21:22,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 351 states have (on average 1.4273504273504274) internal successors, (501), 440 states have internal predecessors, (501), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-08 09:21:22,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 553 transitions. [2025-02-08 09:21:22,336 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 553 transitions. Word has length 121 [2025-02-08 09:21:22,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:22,337 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 553 transitions. [2025-02-08 09:21:22,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.142857142857142) internal successors, (218), 8 states have internal predecessors, (218), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-08 09:21:22,337 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 553 transitions. [2025-02-08 09:21:22,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-02-08 09:21:22,338 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:22,338 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:22,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-08 09:21:22,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:22,539 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:22,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:22,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1547065209, now seen corresponding path program 1 times [2025-02-08 09:21:22,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:22,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253772353] [2025-02-08 09:21:22,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:22,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:22,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-08 09:21:22,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-08 09:21:22,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:22,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:22,652 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:22,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:22,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253772353] [2025-02-08 09:21:22,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253772353] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:22,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013427701] [2025-02-08 09:21:22,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:22,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:22,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:22,655 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:22,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 09:21:22,686 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-08 09:21:22,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-08 09:21:22,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:22,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:22,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:21:22,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:22,921 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:22,921 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:23,077 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:23,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013427701] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:23,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:21:23,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-02-08 09:21:23,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114188510] [2025-02-08 09:21:23,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:23,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:21:23,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:23,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:21:23,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:21:23,080 INFO L87 Difference]: Start difference. First operand 468 states and 553 transitions. Second operand has 8 states, 7 states have (on average 31.428571428571427) internal successors, (220), 8 states have internal predecessors, (220), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-08 09:21:23,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:23,631 INFO L93 Difference]: Finished difference Result 492 states and 560 transitions. [2025-02-08 09:21:23,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:21:23,632 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.428571428571427) internal successors, (220), 8 states have internal predecessors, (220), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 122 [2025-02-08 09:21:23,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:23,634 INFO L225 Difference]: With dead ends: 492 [2025-02-08 09:21:23,634 INFO L226 Difference]: Without dead ends: 487 [2025-02-08 09:21:23,634 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:21:23,635 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 332 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 575 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:23,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 490 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 575 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:21:23,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2025-02-08 09:21:23,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 464. [2025-02-08 09:21:23,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 351 states have (on average 1.4017094017094016) internal successors, (492), 436 states have internal predecessors, (492), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-08 09:21:23,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 544 transitions. [2025-02-08 09:21:23,649 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 544 transitions. Word has length 122 [2025-02-08 09:21:23,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:23,649 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 544 transitions. [2025-02-08 09:21:23,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.428571428571427) internal successors, (220), 8 states have internal predecessors, (220), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-08 09:21:23,649 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 544 transitions. [2025-02-08 09:21:23,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-02-08 09:21:23,650 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:23,650 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:23,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 09:21:23,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:23,851 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:23,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:23,851 INFO L85 PathProgramCache]: Analyzing trace with hash 714381434, now seen corresponding path program 1 times [2025-02-08 09:21:23,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:23,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744079982] [2025-02-08 09:21:23,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:23,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:23,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-08 09:21:23,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-08 09:21:23,872 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:23,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:23,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1219656683] [2025-02-08 09:21:23,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:23,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:23,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:23,876 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:23,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 09:21:23,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-08 09:21:23,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-08 09:21:23,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:23,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:23,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:21:23,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:24,384 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:24,384 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:21:24,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:24,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744079982] [2025-02-08 09:21:24,661 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:24,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219656683] [2025-02-08 09:21:24,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219656683] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:24,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:21:24,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-08 09:21:24,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307700755] [2025-02-08 09:21:24,661 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:24,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:21:24,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:24,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:21:24,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:21:24,664 INFO L87 Difference]: Start difference. First operand 464 states and 544 transitions. Second operand has 10 states, 9 states have (on average 18.555555555555557) internal successors, (167), 10 states have internal predecessors, (167), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:21:26,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:26,522 INFO L93 Difference]: Finished difference Result 511 states and 551 transitions. [2025-02-08 09:21:26,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:21:26,522 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.555555555555557) internal successors, (167), 10 states have internal predecessors, (167), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 123 [2025-02-08 09:21:26,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:26,524 INFO L225 Difference]: With dead ends: 511 [2025-02-08 09:21:26,524 INFO L226 Difference]: Without dead ends: 417 [2025-02-08 09:21:26,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:21:26,528 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 406 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:26,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 436 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-02-08 09:21:26,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2025-02-08 09:21:26,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 411. [2025-02-08 09:21:26,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 303 states have (on average 1.33993399339934) internal successors, (406), 386 states have internal predecessors, (406), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:21:26,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 452 transitions. [2025-02-08 09:21:26,543 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 452 transitions. Word has length 123 [2025-02-08 09:21:26,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:26,544 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 452 transitions. [2025-02-08 09:21:26,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.555555555555557) internal successors, (167), 10 states have internal predecessors, (167), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:21:26,544 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 452 transitions. [2025-02-08 09:21:26,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2025-02-08 09:21:26,545 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:26,545 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-08 09:21:26,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-08 09:21:26,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:26,746 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:26,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:26,747 INFO L85 PathProgramCache]: Analyzing trace with hash 84459973, now seen corresponding path program 1 times [2025-02-08 09:21:26,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:26,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984583681] [2025-02-08 09:21:26,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:26,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:26,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-02-08 09:21:26,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-02-08 09:21:26,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:26,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:26,810 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2025-02-08 09:21:26,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:26,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984583681] [2025-02-08 09:21:26,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984583681] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:26,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:26,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:26,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778740918] [2025-02-08 09:21:26,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:26,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:21:26,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:26,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:21:26,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:26,811 INFO L87 Difference]: Start difference. First operand 411 states and 452 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:21:27,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:27,040 INFO L93 Difference]: Finished difference Result 411 states and 452 transitions. [2025-02-08 09:21:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:27,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 165 [2025-02-08 09:21:27,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:27,042 INFO L225 Difference]: With dead ends: 411 [2025-02-08 09:21:27,042 INFO L226 Difference]: Without dead ends: 408 [2025-02-08 09:21:27,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:27,043 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 127 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:27,043 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 155 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:21:27,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2025-02-08 09:21:27,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2025-02-08 09:21:27,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 303 states have (on average 1.3267326732673268) internal successors, (402), 383 states have internal predecessors, (402), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:21:27,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 448 transitions. [2025-02-08 09:21:27,058 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 448 transitions. Word has length 165 [2025-02-08 09:21:27,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:27,058 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 448 transitions. [2025-02-08 09:21:27,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:21:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 448 transitions. [2025-02-08 09:21:27,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-02-08 09:21:27,062 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:27,063 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:27,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-02-08 09:21:27,063 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:27,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:27,064 INFO L85 PathProgramCache]: Analyzing trace with hash 699747834, now seen corresponding path program 1 times [2025-02-08 09:21:27,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:27,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624142100] [2025-02-08 09:21:27,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:27,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:27,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-08 09:21:27,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-08 09:21:27,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:27,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:27,165 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:21:27,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:27,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624142100] [2025-02-08 09:21:27,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624142100] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:27,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029801652] [2025-02-08 09:21:27,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:27,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:27,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:27,168 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:27,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 09:21:27,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-08 09:21:27,232 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-08 09:21:27,232 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:27,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:27,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:21:27,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:27,374 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:21:27,375 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:27,562 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:21:27,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029801652] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:27,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:21:27,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-02-08 09:21:27,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606428326] [2025-02-08 09:21:27,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:27,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:21:27,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:27,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:21:27,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:21:27,564 INFO L87 Difference]: Start difference. First operand 408 states and 448 transitions. Second operand has 9 states, 8 states have (on average 34.75) internal successors, (278), 9 states have internal predecessors, (278), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2025-02-08 09:21:27,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:27,890 INFO L93 Difference]: Finished difference Result 431 states and 457 transitions. [2025-02-08 09:21:27,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:21:27,890 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 34.75) internal successors, (278), 9 states have internal predecessors, (278), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 168 [2025-02-08 09:21:27,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:27,892 INFO L225 Difference]: With dead ends: 431 [2025-02-08 09:21:27,892 INFO L226 Difference]: Without dead ends: 429 [2025-02-08 09:21:27,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:21:27,893 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 648 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:27,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 753 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:21:27,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2025-02-08 09:21:27,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 406. [2025-02-08 09:21:27,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 303 states have (on average 1.3135313531353134) internal successors, (398), 381 states have internal predecessors, (398), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:21:27,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 444 transitions. [2025-02-08 09:21:27,907 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 444 transitions. Word has length 168 [2025-02-08 09:21:27,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:27,907 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 444 transitions. [2025-02-08 09:21:27,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 34.75) internal successors, (278), 9 states have internal predecessors, (278), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2025-02-08 09:21:27,907 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 444 transitions. [2025-02-08 09:21:27,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-02-08 09:21:27,909 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:27,910 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:27,917 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-08 09:21:28,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-02-08 09:21:28,110 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:28,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:28,111 INFO L85 PathProgramCache]: Analyzing trace with hash 217346504, now seen corresponding path program 1 times [2025-02-08 09:21:28,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:28,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880501226] [2025-02-08 09:21:28,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:28,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:28,117 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-08 09:21:28,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-08 09:21:28,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:28,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:28,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [248808658] [2025-02-08 09:21:28,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:28,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:28,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:28,133 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:28,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 09:21:28,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-08 09:21:28,196 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-08 09:21:28,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:28,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:28,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:21:28,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:28,618 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:21:28,618 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:29,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:29,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880501226] [2025-02-08 09:21:29,429 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:29,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248808658] [2025-02-08 09:21:29,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248808658] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:29,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:29,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:21:29,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287512556] [2025-02-08 09:21:29,429 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:29,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:21:29,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:29,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:21:29,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:21:29,430 INFO L87 Difference]: Start difference. First operand 406 states and 444 transitions. Second operand has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-08 09:21:30,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:30,008 INFO L93 Difference]: Finished difference Result 407 states and 444 transitions. [2025-02-08 09:21:30,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:21:30,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 169 [2025-02-08 09:21:30,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:30,011 INFO L225 Difference]: With dead ends: 407 [2025-02-08 09:21:30,011 INFO L226 Difference]: Without dead ends: 406 [2025-02-08 09:21:30,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:21:30,012 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 34 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:30,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 435 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:21:30,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2025-02-08 09:21:30,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2025-02-08 09:21:30,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 303 states have (on average 1.3102310231023102) internal successors, (397), 381 states have internal predecessors, (397), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:21:30,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 443 transitions. [2025-02-08 09:21:30,060 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 443 transitions. Word has length 169 [2025-02-08 09:21:30,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:30,060 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 443 transitions. [2025-02-08 09:21:30,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-08 09:21:30,061 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 443 transitions. [2025-02-08 09:21:30,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-02-08 09:21:30,062 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:30,062 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:30,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-08 09:21:30,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:30,266 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:30,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:30,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1852192840, now seen corresponding path program 1 times [2025-02-08 09:21:30,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:30,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619464224] [2025-02-08 09:21:30,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:30,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:30,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-02-08 09:21:30,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-02-08 09:21:30,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:30,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:30,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1716377036] [2025-02-08 09:21:30,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:30,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:30,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:30,291 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:30,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 09:21:30,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-02-08 09:21:30,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-02-08 09:21:30,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:30,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:30,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:21:30,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:30,794 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:21:30,795 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:30,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:30,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619464224] [2025-02-08 09:21:30,950 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:30,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716377036] [2025-02-08 09:21:30,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716377036] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:30,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:30,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:21:30,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932785994] [2025-02-08 09:21:30,950 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:30,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:21:30,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:30,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:21:30,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:21:30,951 INFO L87 Difference]: Start difference. First operand 406 states and 443 transitions. Second operand has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-08 09:21:31,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:31,453 INFO L93 Difference]: Finished difference Result 417 states and 443 transitions. [2025-02-08 09:21:31,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:21:31,453 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 170 [2025-02-08 09:21:31,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:31,454 INFO L225 Difference]: With dead ends: 417 [2025-02-08 09:21:31,455 INFO L226 Difference]: Without dead ends: 416 [2025-02-08 09:21:31,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:21:31,455 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 69 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:31,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 521 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:21:31,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2025-02-08 09:21:31,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 406. [2025-02-08 09:21:31,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 303 states have (on average 1.306930693069307) internal successors, (396), 381 states have internal predecessors, (396), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:21:31,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 442 transitions. [2025-02-08 09:21:31,468 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 442 transitions. Word has length 170 [2025-02-08 09:21:31,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:31,468 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 442 transitions. [2025-02-08 09:21:31,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-08 09:21:31,468 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 442 transitions. [2025-02-08 09:21:31,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-02-08 09:21:31,469 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:31,469 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:31,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-08 09:21:31,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:31,674 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:31,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:31,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1231919676, now seen corresponding path program 1 times [2025-02-08 09:21:31,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:31,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213744019] [2025-02-08 09:21:31,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:31,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:31,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-08 09:21:31,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-08 09:21:31,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:31,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:31,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1850331273] [2025-02-08 09:21:31,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:31,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:31,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:31,716 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:31,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 09:21:31,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-08 09:21:31,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-08 09:21:31,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:31,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:31,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 09:21:31,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:33,357 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:21:33,357 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:33,971 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:21:33,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:33,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213744019] [2025-02-08 09:21:33,971 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:33,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850331273] [2025-02-08 09:21:33,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850331273] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:33,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:21:33,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2025-02-08 09:21:33,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749163043] [2025-02-08 09:21:33,971 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:33,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:21:33,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:33,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:21:33,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:21:33,972 INFO L87 Difference]: Start difference. First operand 406 states and 442 transitions. Second operand has 11 states, 10 states have (on average 23.9) internal successors, (239), 11 states have internal predecessors, (239), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-02-08 09:21:36,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:36,755 INFO L93 Difference]: Finished difference Result 414 states and 442 transitions. [2025-02-08 09:21:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:21:36,756 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 23.9) internal successors, (239), 11 states have internal predecessors, (239), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 173 [2025-02-08 09:21:36,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:36,757 INFO L225 Difference]: With dead ends: 414 [2025-02-08 09:21:36,757 INFO L226 Difference]: Without dead ends: 406 [2025-02-08 09:21:36,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:21:36,758 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 425 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 1669 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 1698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:36,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 358 Invalid, 1698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1669 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-02-08 09:21:36,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2025-02-08 09:21:36,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2025-02-08 09:21:36,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 303 states have (on average 1.2805280528052805) internal successors, (388), 381 states have internal predecessors, (388), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:21:36,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 434 transitions. [2025-02-08 09:21:36,773 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 434 transitions. Word has length 173 [2025-02-08 09:21:36,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:36,774 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 434 transitions. [2025-02-08 09:21:36,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 23.9) internal successors, (239), 11 states have internal predecessors, (239), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-02-08 09:21:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 434 transitions. [2025-02-08 09:21:36,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-02-08 09:21:36,775 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:36,775 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:36,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-08 09:21:36,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-08 09:21:36,980 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:36,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:36,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1422374485, now seen corresponding path program 1 times [2025-02-08 09:21:36,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:36,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660528052] [2025-02-08 09:21:36,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:36,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:36,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-02-08 09:21:37,007 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-02-08 09:21:37,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:37,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:37,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1229271788] [2025-02-08 09:21:37,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:37,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:37,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:37,011 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:37,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-08 09:21:37,047 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-02-08 09:21:37,086 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-02-08 09:21:37,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:37,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:37,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:21:37,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:37,769 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-08 09:21:37,769 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:38,194 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-08 09:21:38,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:38,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660528052] [2025-02-08 09:21:38,195 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:38,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229271788] [2025-02-08 09:21:38,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229271788] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:38,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:21:38,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-08 09:21:38,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260262510] [2025-02-08 09:21:38,195 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:38,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:21:38,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:38,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:21:38,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:21:38,196 INFO L87 Difference]: Start difference. First operand 406 states and 434 transitions. Second operand has 14 states, 13 states have (on average 20.384615384615383) internal successors, (265), 14 states have internal predecessors, (265), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2025-02-08 09:21:39,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:39,337 INFO L93 Difference]: Finished difference Result 480 states and 543 transitions. [2025-02-08 09:21:39,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:21:39,337 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 20.384615384615383) internal successors, (265), 14 states have internal predecessors, (265), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) Word has length 192 [2025-02-08 09:21:39,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:39,339 INFO L225 Difference]: With dead ends: 480 [2025-02-08 09:21:39,339 INFO L226 Difference]: Without dead ends: 440 [2025-02-08 09:21:39,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:21:39,340 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 158 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 1740 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 1760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:39,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 273 Invalid, 1760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1740 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:21:39,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-02-08 09:21:39,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 438. [2025-02-08 09:21:39,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 331 states have (on average 1.3474320241691844) internal successors, (446), 409 states have internal predecessors, (446), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-02-08 09:21:39,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 500 transitions. [2025-02-08 09:21:39,358 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 500 transitions. Word has length 192 [2025-02-08 09:21:39,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:39,359 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 500 transitions. [2025-02-08 09:21:39,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 20.384615384615383) internal successors, (265), 14 states have internal predecessors, (265), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2025-02-08 09:21:39,359 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 500 transitions. [2025-02-08 09:21:39,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-02-08 09:21:39,360 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:39,360 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 09:21:39,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-08 09:21:39,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-08 09:21:39,561 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:39,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:39,561 INFO L85 PathProgramCache]: Analyzing trace with hash -402616835, now seen corresponding path program 1 times [2025-02-08 09:21:39,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:39,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902086764] [2025-02-08 09:21:39,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:39,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:39,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-08 09:21:39,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-08 09:21:39,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:39,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:39,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [742482226] [2025-02-08 09:21:39,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:39,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:39,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:39,598 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:39,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-08 09:21:39,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-08 09:21:39,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-08 09:21:39,665 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:39,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:39,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:21:39,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:39,792 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-08 09:21:39,793 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:39,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:39,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902086764] [2025-02-08 09:21:39,853 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:39,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742482226] [2025-02-08 09:21:39,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742482226] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:39,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:39,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:21:39,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829768410] [2025-02-08 09:21:39,853 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:39,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:21:39,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:39,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:21:39,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:21:39,854 INFO L87 Difference]: Start difference. First operand 438 states and 500 transitions. Second operand has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-08 09:21:39,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:39,956 INFO L93 Difference]: Finished difference Result 576 states and 605 transitions. [2025-02-08 09:21:39,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:21:39,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 194 [2025-02-08 09:21:39,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:39,959 INFO L225 Difference]: With dead ends: 576 [2025-02-08 09:21:39,959 INFO L226 Difference]: Without dead ends: 575 [2025-02-08 09:21:39,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:21:39,959 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 188 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:39,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 674 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:21:39,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2025-02-08 09:21:39,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 438. [2025-02-08 09:21:39,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 331 states have (on average 1.3444108761329305) internal successors, (445), 409 states have internal predecessors, (445), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-02-08 09:21:39,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 499 transitions. [2025-02-08 09:21:39,978 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 499 transitions. Word has length 194 [2025-02-08 09:21:39,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:39,979 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 499 transitions. [2025-02-08 09:21:39,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-08 09:21:39,979 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 499 transitions. [2025-02-08 09:21:39,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2025-02-08 09:21:39,980 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:39,980 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 09:21:39,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-08 09:21:40,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-08 09:21:40,182 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:40,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:40,183 INFO L85 PathProgramCache]: Analyzing trace with hash -274471919, now seen corresponding path program 2 times [2025-02-08 09:21:40,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:40,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801064419] [2025-02-08 09:21:40,183 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:40,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:40,192 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 201 statements into 2 equivalence classes. [2025-02-08 09:21:40,206 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 201 of 201 statements. [2025-02-08 09:21:40,207 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:40,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:40,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [41907482] [2025-02-08 09:21:40,210 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:40,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:40,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:40,213 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:40,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-08 09:21:40,249 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 201 statements into 2 equivalence classes. [2025-02-08 09:21:40,286 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 201 of 201 statements. [2025-02-08 09:21:40,287 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:40,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:40,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:21:40,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:40,654 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:40,654 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:40,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:40,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801064419] [2025-02-08 09:21:40,904 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:40,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41907482] [2025-02-08 09:21:40,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41907482] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:40,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:40,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:21:40,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858029749] [2025-02-08 09:21:40,904 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:40,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:21:40,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:40,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:21:40,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:21:40,905 INFO L87 Difference]: Start difference. First operand 438 states and 499 transitions. Second operand has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-08 09:21:41,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:41,513 INFO L93 Difference]: Finished difference Result 531 states and 611 transitions. [2025-02-08 09:21:41,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:21:41,513 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 201 [2025-02-08 09:21:41,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:41,515 INFO L225 Difference]: With dead ends: 531 [2025-02-08 09:21:41,516 INFO L226 Difference]: Without dead ends: 510 [2025-02-08 09:21:41,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:21:41,517 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 121 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 1217 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:41,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 629 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1217 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:21:41,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2025-02-08 09:21:41,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 498. [2025-02-08 09:21:41,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 388 states have (on average 1.3324742268041236) internal successors, (517), 466 states have internal predecessors, (517), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 09:21:41,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 577 transitions. [2025-02-08 09:21:41,538 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 577 transitions. Word has length 201 [2025-02-08 09:21:41,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:41,539 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 577 transitions. [2025-02-08 09:21:41,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-08 09:21:41,539 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 577 transitions. [2025-02-08 09:21:41,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-02-08 09:21:41,540 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:41,540 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 09:21:41,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-08 09:21:41,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:41,741 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:41,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:41,741 INFO L85 PathProgramCache]: Analyzing trace with hash 81305318, now seen corresponding path program 2 times [2025-02-08 09:21:41,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:41,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42166511] [2025-02-08 09:21:41,742 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:41,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:41,749 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 202 statements into 2 equivalence classes. [2025-02-08 09:21:41,757 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 202 of 202 statements. [2025-02-08 09:21:41,757 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:41,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:41,917 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:41,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:41,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42166511] [2025-02-08 09:21:41,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42166511] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:41,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862596906] [2025-02-08 09:21:41,918 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:41,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:41,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:41,920 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:41,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-08 09:21:41,955 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 202 statements into 2 equivalence classes. [2025-02-08 09:21:41,989 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 202 of 202 statements. [2025-02-08 09:21:41,989 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:41,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:41,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:21:41,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:42,411 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:42,412 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:42,615 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:42,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862596906] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:42,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:21:42,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-08 09:21:42,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086050297] [2025-02-08 09:21:42,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:42,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:21:42,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:42,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:21:42,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:21:42,617 INFO L87 Difference]: Start difference. First operand 498 states and 577 transitions. Second operand has 13 states, 12 states have (on average 32.0) internal successors, (384), 13 states have internal predecessors, (384), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-02-08 09:21:43,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:43,703 INFO L93 Difference]: Finished difference Result 498 states and 577 transitions. [2025-02-08 09:21:43,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:21:43,704 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 32.0) internal successors, (384), 13 states have internal predecessors, (384), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 202 [2025-02-08 09:21:43,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:43,705 INFO L225 Difference]: With dead ends: 498 [2025-02-08 09:21:43,705 INFO L226 Difference]: Without dead ends: 494 [2025-02-08 09:21:43,706 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:21:43,706 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 513 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:43,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 588 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1344 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:21:43,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2025-02-08 09:21:43,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494. [2025-02-08 09:21:43,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 388 states have (on average 1.3118556701030928) internal successors, (509), 462 states have internal predecessors, (509), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 09:21:43,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 569 transitions. [2025-02-08 09:21:43,727 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 569 transitions. Word has length 202 [2025-02-08 09:21:43,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:43,727 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 569 transitions. [2025-02-08 09:21:43,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 32.0) internal successors, (384), 13 states have internal predecessors, (384), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-02-08 09:21:43,727 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 569 transitions. [2025-02-08 09:21:43,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2025-02-08 09:21:43,728 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:43,728 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 09:21:43,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-08 09:21:43,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:43,929 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:43,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:43,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1774502225, now seen corresponding path program 2 times [2025-02-08 09:21:43,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:43,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596064675] [2025-02-08 09:21:43,930 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:43,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:43,938 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 203 statements into 2 equivalence classes. [2025-02-08 09:21:43,946 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 203 of 203 statements. [2025-02-08 09:21:43,946 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:43,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:44,115 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:44,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:44,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596064675] [2025-02-08 09:21:44,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596064675] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:44,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483332193] [2025-02-08 09:21:44,116 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:44,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:44,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:44,118 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:44,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-08 09:21:44,157 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 203 statements into 2 equivalence classes. [2025-02-08 09:21:44,192 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 203 of 203 statements. [2025-02-08 09:21:44,192 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:44,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:44,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:21:44,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:44,650 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:44,651 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:44,884 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:44,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483332193] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:44,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:21:44,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-08 09:21:44,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081754035] [2025-02-08 09:21:44,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:44,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:21:44,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:44,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:21:44,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:21:44,886 INFO L87 Difference]: Start difference. First operand 494 states and 569 transitions. Second operand has 13 states, 12 states have (on average 32.166666666666664) internal successors, (386), 13 states have internal predecessors, (386), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-02-08 09:21:45,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:45,607 INFO L93 Difference]: Finished difference Result 552 states and 617 transitions. [2025-02-08 09:21:45,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:21:45,608 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 32.166666666666664) internal successors, (386), 13 states have internal predecessors, (386), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 203 [2025-02-08 09:21:45,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:45,609 INFO L225 Difference]: With dead ends: 552 [2025-02-08 09:21:45,609 INFO L226 Difference]: Without dead ends: 550 [2025-02-08 09:21:45,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:21:45,610 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 520 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 527 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:45,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [527 Valid, 542 Invalid, 1017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 990 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:21:45,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2025-02-08 09:21:45,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 522. [2025-02-08 09:21:45,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 413 states have (on average 1.2953995157384988) internal successors, (535), 487 states have internal predecessors, (535), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 09:21:45,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 601 transitions. [2025-02-08 09:21:45,634 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 601 transitions. Word has length 203 [2025-02-08 09:21:45,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:45,634 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 601 transitions. [2025-02-08 09:21:45,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 32.166666666666664) internal successors, (386), 13 states have internal predecessors, (386), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-02-08 09:21:45,635 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 601 transitions. [2025-02-08 09:21:45,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-02-08 09:21:45,636 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:45,636 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 09:21:45,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-02-08 09:21:45,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:45,840 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:45,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:45,840 INFO L85 PathProgramCache]: Analyzing trace with hash -194614963, now seen corresponding path program 1 times [2025-02-08 09:21:45,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:45,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52262934] [2025-02-08 09:21:45,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:45,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:45,849 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-02-08 09:21:45,858 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-02-08 09:21:45,858 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:45,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:46,037 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:46,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:46,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52262934] [2025-02-08 09:21:46,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52262934] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:46,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162040848] [2025-02-08 09:21:46,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:46,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:46,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:46,041 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:46,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-08 09:21:46,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-02-08 09:21:46,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-02-08 09:21:46,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:46,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:46,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:21:46,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:46,565 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:46,566 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:46,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162040848] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:46,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:21:46,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-08 09:21:46,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096138580] [2025-02-08 09:21:46,632 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:46,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:21:46,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:46,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:21:46,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:21:46,633 INFO L87 Difference]: Start difference. First operand 522 states and 601 transitions. Second operand has 11 states, 10 states have (on average 25.7) internal successors, (257), 11 states have internal predecessors, (257), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2025-02-08 09:21:48,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:48,158 INFO L93 Difference]: Finished difference Result 522 states and 601 transitions. [2025-02-08 09:21:48,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:21:48,158 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.7) internal successors, (257), 11 states have internal predecessors, (257), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 205 [2025-02-08 09:21:48,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:48,160 INFO L225 Difference]: With dead ends: 522 [2025-02-08 09:21:48,160 INFO L226 Difference]: Without dead ends: 510 [2025-02-08 09:21:48,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:21:48,160 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 690 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:48,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 561 Invalid, 1273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1212 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-08 09:21:48,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2025-02-08 09:21:48,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2025-02-08 09:21:48,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 413 states have (on average 1.2590799031476998) internal successors, (520), 475 states have internal predecessors, (520), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 09:21:48,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 586 transitions. [2025-02-08 09:21:48,178 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 586 transitions. Word has length 205 [2025-02-08 09:21:48,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:48,179 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 586 transitions. [2025-02-08 09:21:48,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.7) internal successors, (257), 11 states have internal predecessors, (257), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2025-02-08 09:21:48,179 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 586 transitions. [2025-02-08 09:21:48,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2025-02-08 09:21:48,179 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:48,180 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 09:21:48,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-08 09:21:48,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:48,380 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:48,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:48,381 INFO L85 PathProgramCache]: Analyzing trace with hash 431692352, now seen corresponding path program 1 times [2025-02-08 09:21:48,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:48,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82748417] [2025-02-08 09:21:48,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:48,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:48,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 208 statements into 1 equivalence classes. [2025-02-08 09:21:48,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 208 of 208 statements. [2025-02-08 09:21:48,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:48,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:48,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [243160529] [2025-02-08 09:21:48,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:48,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:48,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:48,409 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:48,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-08 09:21:48,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 208 statements into 1 equivalence classes. [2025-02-08 09:21:48,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 208 of 208 statements. [2025-02-08 09:21:48,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:48,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:48,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:21:48,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:49,097 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:49,097 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:49,509 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:21:49,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:49,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82748417] [2025-02-08 09:21:49,509 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:49,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243160529] [2025-02-08 09:21:49,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243160529] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:49,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:21:49,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-08 09:21:49,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896798549] [2025-02-08 09:21:49,510 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:49,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:21:49,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:49,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:21:49,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:21:49,511 INFO L87 Difference]: Start difference. First operand 510 states and 586 transitions. Second operand has 16 states, 15 states have (on average 19.133333333333333) internal successors, (287), 16 states have internal predecessors, (287), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-02-08 09:21:52,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:52,504 INFO L93 Difference]: Finished difference Result 814 states and 991 transitions. [2025-02-08 09:21:52,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:21:52,505 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 19.133333333333333) internal successors, (287), 16 states have internal predecessors, (287), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 208 [2025-02-08 09:21:52,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:52,509 INFO L225 Difference]: With dead ends: 814 [2025-02-08 09:21:52,509 INFO L226 Difference]: Without dead ends: 729 [2025-02-08 09:21:52,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:21:52,510 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 887 mSDsluCounter, 953 mSDsCounter, 0 mSdLazyCounter, 2876 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 901 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 2980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 2876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:52,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [901 Valid, 1077 Invalid, 2980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 2876 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2025-02-08 09:21:52,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2025-02-08 09:21:52,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 528. [2025-02-08 09:21:52,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 430 states have (on average 1.2325581395348837) internal successors, (530), 491 states have internal predecessors, (530), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:21:52,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 600 transitions. [2025-02-08 09:21:52,537 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 600 transitions. Word has length 208 [2025-02-08 09:21:52,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:52,537 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 600 transitions. [2025-02-08 09:21:52,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 19.133333333333333) internal successors, (287), 16 states have internal predecessors, (287), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-02-08 09:21:52,537 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 600 transitions. [2025-02-08 09:21:52,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2025-02-08 09:21:52,538 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:52,538 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:52,544 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-08 09:21:52,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-02-08 09:21:52,739 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:52,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:52,739 INFO L85 PathProgramCache]: Analyzing trace with hash 591318994, now seen corresponding path program 2 times [2025-02-08 09:21:52,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:52,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504465083] [2025-02-08 09:21:52,739 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:52,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:52,749 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 250 statements into 2 equivalence classes. [2025-02-08 09:21:52,765 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 250 of 250 statements. [2025-02-08 09:21:52,765 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:52,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:52,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1535083267] [2025-02-08 09:21:52,766 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:52,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:52,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:52,769 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:52,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-08 09:21:52,808 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 250 statements into 2 equivalence classes. [2025-02-08 09:21:52,853 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 250 of 250 statements. [2025-02-08 09:21:52,853 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:52,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:52,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:21:52,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:21:53,598 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:54,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:54,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504465083] [2025-02-08 09:21:54,105 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:54,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535083267] [2025-02-08 09:21:54,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535083267] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:54,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:54,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-08 09:21:54,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378257785] [2025-02-08 09:21:54,105 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:54,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:21:54,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:54,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:21:54,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:21:54,106 INFO L87 Difference]: Start difference. First operand 528 states and 600 transitions. Second operand has 10 states, 9 states have (on average 19.22222222222222) internal successors, (173), 10 states have internal predecessors, (173), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:21:55,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:55,224 INFO L93 Difference]: Finished difference Result 529 states and 600 transitions. [2025-02-08 09:21:55,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:21:55,225 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.22222222222222) internal successors, (173), 10 states have internal predecessors, (173), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 250 [2025-02-08 09:21:55,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:55,227 INFO L225 Difference]: With dead ends: 529 [2025-02-08 09:21:55,227 INFO L226 Difference]: Without dead ends: 528 [2025-02-08 09:21:55,227 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:21:55,227 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 110 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 2095 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 2106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:55,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 552 Invalid, 2106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2095 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:21:55,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2025-02-08 09:21:55,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2025-02-08 09:21:55,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 430 states have (on average 1.2302325581395348) internal successors, (529), 491 states have internal predecessors, (529), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:21:55,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 599 transitions. [2025-02-08 09:21:55,252 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 599 transitions. Word has length 250 [2025-02-08 09:21:55,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:55,253 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 599 transitions. [2025-02-08 09:21:55,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.22222222222222) internal successors, (173), 10 states have internal predecessors, (173), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:21:55,253 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 599 transitions. [2025-02-08 09:21:55,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2025-02-08 09:21:55,255 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:55,256 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:55,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-08 09:21:55,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-08 09:21:55,456 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:55,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:55,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1151019758, now seen corresponding path program 2 times [2025-02-08 09:21:55,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:55,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9770695] [2025-02-08 09:21:55,457 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:55,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:55,464 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 251 statements into 2 equivalence classes. [2025-02-08 09:21:55,477 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 251 of 251 statements. [2025-02-08 09:21:55,477 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:55,477 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:55,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [670820356] [2025-02-08 09:21:55,478 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:55,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:55,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:55,481 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:55,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-08 09:21:55,517 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 251 statements into 2 equivalence classes. [2025-02-08 09:21:55,563 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 251 of 251 statements. [2025-02-08 09:21:55,563 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:55,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:55,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:21:55,568 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:56,288 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:21:56,288 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:56,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:56,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9770695] [2025-02-08 09:21:56,873 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:56,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670820356] [2025-02-08 09:21:56,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670820356] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:56,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:56,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-08 09:21:56,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103575855] [2025-02-08 09:21:56,873 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:56,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:21:56,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:56,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:21:56,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:21:56,874 INFO L87 Difference]: Start difference. First operand 528 states and 599 transitions. Second operand has 10 states, 9 states have (on average 19.333333333333332) internal successors, (174), 10 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:21:57,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:57,653 INFO L93 Difference]: Finished difference Result 529 states and 599 transitions. [2025-02-08 09:21:57,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:21:57,654 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.333333333333332) internal successors, (174), 10 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 251 [2025-02-08 09:21:57,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:57,655 INFO L225 Difference]: With dead ends: 529 [2025-02-08 09:21:57,655 INFO L226 Difference]: Without dead ends: 528 [2025-02-08 09:21:57,655 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:21:57,656 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 58 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 1571 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 1574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:57,656 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 540 Invalid, 1574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1571 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:21:57,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2025-02-08 09:21:57,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2025-02-08 09:21:57,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 430 states have (on average 1.2279069767441861) internal successors, (528), 491 states have internal predecessors, (528), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:21:57,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 598 transitions. [2025-02-08 09:21:57,676 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 598 transitions. Word has length 251 [2025-02-08 09:21:57,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:57,676 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 598 transitions. [2025-02-08 09:21:57,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.333333333333332) internal successors, (174), 10 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:21:57,676 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 598 transitions. [2025-02-08 09:21:57,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2025-02-08 09:21:57,677 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:57,677 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:57,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-08 09:21:57,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-02-08 09:21:57,878 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:57,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:57,878 INFO L85 PathProgramCache]: Analyzing trace with hash -989155634, now seen corresponding path program 2 times [2025-02-08 09:21:57,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:57,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134648871] [2025-02-08 09:21:57,878 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:57,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:57,885 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 254 statements into 2 equivalence classes. [2025-02-08 09:21:57,901 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 254 of 254 statements. [2025-02-08 09:21:57,901 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:57,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:57,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1355992331] [2025-02-08 09:21:57,902 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:21:57,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:57,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:57,906 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:57,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-08 09:21:57,953 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 254 statements into 2 equivalence classes. [2025-02-08 09:21:58,051 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 254 of 254 statements. [2025-02-08 09:21:58,051 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:21:58,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:58,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:21:58,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:58,672 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:21:58,672 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:58,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:58,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134648871] [2025-02-08 09:21:58,878 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:58,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355992331] [2025-02-08 09:21:58,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355992331] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:58,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:58,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:21:58,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362194976] [2025-02-08 09:21:58,878 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:58,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:21:58,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:58,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:21:58,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:21:58,879 INFO L87 Difference]: Start difference. First operand 528 states and 598 transitions. Second operand has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 8 states have internal predecessors, (177), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-02-08 09:22:00,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:00,337 INFO L93 Difference]: Finished difference Result 528 states and 598 transitions. [2025-02-08 09:22:00,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:22:00,337 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 8 states have internal predecessors, (177), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 254 [2025-02-08 09:22:00,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:00,339 INFO L225 Difference]: With dead ends: 528 [2025-02-08 09:22:00,339 INFO L226 Difference]: Without dead ends: 523 [2025-02-08 09:22:00,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:22:00,339 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 489 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:00,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 152 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-08 09:22:00,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2025-02-08 09:22:00,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2025-02-08 09:22:00,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 430 states have (on average 1.2069767441860466) internal successors, (519), 486 states have internal predecessors, (519), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:22:00,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 589 transitions. [2025-02-08 09:22:00,364 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 589 transitions. Word has length 254 [2025-02-08 09:22:00,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:00,364 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 589 transitions. [2025-02-08 09:22:00,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 8 states have internal predecessors, (177), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-02-08 09:22:00,364 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 589 transitions. [2025-02-08 09:22:00,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2025-02-08 09:22:00,366 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:00,366 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:00,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-02-08 09:22:00,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-02-08 09:22:00,567 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:00,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:00,568 INFO L85 PathProgramCache]: Analyzing trace with hash -599053462, now seen corresponding path program 1 times [2025-02-08 09:22:00,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:00,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949430983] [2025-02-08 09:22:00,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:00,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:00,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 255 statements into 1 equivalence classes. [2025-02-08 09:22:00,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 255 of 255 statements. [2025-02-08 09:22:00,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:00,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:00,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1190817632] [2025-02-08 09:22:00,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:00,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:00,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:00,594 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:00,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-08 09:22:00,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 255 statements into 1 equivalence classes. [2025-02-08 09:22:00,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 255 of 255 statements. [2025-02-08 09:22:00,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:00,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:00,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:22:00,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:01,507 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:22:01,507 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:01,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:01,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949430983] [2025-02-08 09:22:01,667 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:01,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190817632] [2025-02-08 09:22:01,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190817632] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:01,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:22:01,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:22:01,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359056934] [2025-02-08 09:22:01,667 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:01,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:22:01,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:01,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:22:01,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:22:01,668 INFO L87 Difference]: Start difference. First operand 523 states and 589 transitions. Second operand has 11 states, 10 states have (on average 17.8) internal successors, (178), 11 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:22:02,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:02,636 INFO L93 Difference]: Finished difference Result 527 states and 589 transitions. [2025-02-08 09:22:02,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:22:02,636 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.8) internal successors, (178), 11 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 255 [2025-02-08 09:22:02,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:02,638 INFO L225 Difference]: With dead ends: 527 [2025-02-08 09:22:02,638 INFO L226 Difference]: Without dead ends: 523 [2025-02-08 09:22:02,638 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:22:02,639 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 54 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 2440 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 2446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:02,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 471 Invalid, 2446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2440 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-08 09:22:02,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2025-02-08 09:22:02,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2025-02-08 09:22:02,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 430 states have (on average 1.197674418604651) internal successors, (515), 486 states have internal predecessors, (515), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:22:02,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 585 transitions. [2025-02-08 09:22:02,664 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 585 transitions. Word has length 255 [2025-02-08 09:22:02,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:02,664 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 585 transitions. [2025-02-08 09:22:02,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.8) internal successors, (178), 11 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:22:02,664 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 585 transitions. [2025-02-08 09:22:02,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2025-02-08 09:22:02,666 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:02,666 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2025-02-08 09:22:02,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-02-08 09:22:02,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-02-08 09:22:02,867 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:02,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:02,867 INFO L85 PathProgramCache]: Analyzing trace with hash -2045920417, now seen corresponding path program 1 times [2025-02-08 09:22:02,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:02,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959148070] [2025-02-08 09:22:02,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:02,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:02,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 264 statements into 1 equivalence classes. [2025-02-08 09:22:02,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 264 of 264 statements. [2025-02-08 09:22:02,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:02,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:02,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [515338871] [2025-02-08 09:22:02,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:02,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:02,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:02,902 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:02,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-08 09:22:02,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 264 statements into 1 equivalence classes. [2025-02-08 09:22:02,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 264 of 264 statements. [2025-02-08 09:22:02,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:02,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:02,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:22:02,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:03,216 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:22:03,216 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:03,514 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:22:03,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:03,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959148070] [2025-02-08 09:22:03,514 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:03,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515338871] [2025-02-08 09:22:03,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515338871] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:22:03,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:22:03,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-08 09:22:03,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522120473] [2025-02-08 09:22:03,515 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:03,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:22:03,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:03,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:22:03,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:22:03,516 INFO L87 Difference]: Start difference. First operand 523 states and 585 transitions. Second operand has 10 states, 9 states have (on average 41.0) internal successors, (369), 10 states have internal predecessors, (369), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-02-08 09:22:03,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:03,807 INFO L93 Difference]: Finished difference Result 671 states and 716 transitions. [2025-02-08 09:22:03,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:22:03,808 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 41.0) internal successors, (369), 10 states have internal predecessors, (369), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) Word has length 264 [2025-02-08 09:22:03,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:03,810 INFO L225 Difference]: With dead ends: 671 [2025-02-08 09:22:03,810 INFO L226 Difference]: Without dead ends: 669 [2025-02-08 09:22:03,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 518 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:22:03,810 INFO L435 NwaCegarLoop]: 360 mSDtfsCounter, 819 mSDsluCounter, 1196 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 830 SdHoareTripleChecker+Valid, 1556 SdHoareTripleChecker+Invalid, 525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:03,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [830 Valid, 1556 Invalid, 525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:22:03,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2025-02-08 09:22:03,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 522. [2025-02-08 09:22:03,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 430 states have (on average 1.1883720930232557) internal successors, (511), 485 states have internal predecessors, (511), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:22:03,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 581 transitions. [2025-02-08 09:22:03,841 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 581 transitions. Word has length 264 [2025-02-08 09:22:03,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:03,842 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 581 transitions. [2025-02-08 09:22:03,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 41.0) internal successors, (369), 10 states have internal predecessors, (369), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-02-08 09:22:03,843 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 581 transitions. [2025-02-08 09:22:03,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2025-02-08 09:22:03,844 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:03,844 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:03,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-08 09:22:04,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-02-08 09:22:04,045 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:04,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:04,045 INFO L85 PathProgramCache]: Analyzing trace with hash -2103282512, now seen corresponding path program 1 times [2025-02-08 09:22:04,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:04,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213813462] [2025-02-08 09:22:04,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:04,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:04,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 274 statements into 1 equivalence classes. [2025-02-08 09:22:04,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 274 of 274 statements. [2025-02-08 09:22:04,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:04,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:04,299 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:22:04,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:04,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213813462] [2025-02-08 09:22:04,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213813462] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:04,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460693169] [2025-02-08 09:22:04,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:04,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:04,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:04,302 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:04,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-08 09:22:04,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 274 statements into 1 equivalence classes. [2025-02-08 09:22:04,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 274 of 274 statements. [2025-02-08 09:22:04,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:04,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:04,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:22:04,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:04,961 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 53 proven. 114 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:22:04,961 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:05,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460693169] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:05,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:22:05,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-08 09:22:05,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756592399] [2025-02-08 09:22:05,032 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:05,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:22:05,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:05,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:22:05,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:22:05,034 INFO L87 Difference]: Start difference. First operand 522 states and 581 transitions. Second operand has 16 states, 15 states have (on average 25.266666666666666) internal successors, (379), 16 states have internal predecessors, (379), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-02-08 09:22:06,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:06,375 INFO L93 Difference]: Finished difference Result 522 states and 581 transitions. [2025-02-08 09:22:06,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:22:06,375 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 25.266666666666666) internal successors, (379), 16 states have internal predecessors, (379), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 274 [2025-02-08 09:22:06,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:06,377 INFO L225 Difference]: With dead ends: 522 [2025-02-08 09:22:06,377 INFO L226 Difference]: Without dead ends: 520 [2025-02-08 09:22:06,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2025-02-08 09:22:06,378 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 652 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 1721 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 1768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:06,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 262 Invalid, 1768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1721 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-08 09:22:06,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2025-02-08 09:22:06,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 520. [2025-02-08 09:22:06,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 430 states have (on average 1.1813953488372093) internal successors, (508), 483 states have internal predecessors, (508), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:22:06,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 578 transitions. [2025-02-08 09:22:06,408 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 578 transitions. Word has length 274 [2025-02-08 09:22:06,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:06,408 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 578 transitions. [2025-02-08 09:22:06,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 25.266666666666666) internal successors, (379), 16 states have internal predecessors, (379), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-02-08 09:22:06,409 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 578 transitions. [2025-02-08 09:22:06,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2025-02-08 09:22:06,413 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:06,414 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:06,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-02-08 09:22:06,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-02-08 09:22:06,614 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:06,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:06,615 INFO L85 PathProgramCache]: Analyzing trace with hash 388654663, now seen corresponding path program 1 times [2025-02-08 09:22:06,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:06,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724084691] [2025-02-08 09:22:06,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:06,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:06,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 277 statements into 1 equivalence classes. [2025-02-08 09:22:06,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 277 of 277 statements. [2025-02-08 09:22:06,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:06,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:06,744 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:22:06,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:06,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724084691] [2025-02-08 09:22:06,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724084691] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:06,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:06,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:22:06,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704779165] [2025-02-08 09:22:06,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:06,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:22:06,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:06,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:22:06,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:22:06,747 INFO L87 Difference]: Start difference. First operand 520 states and 578 transitions. Second operand has 6 states, 5 states have (on average 39.0) internal successors, (195), 6 states have internal predecessors, (195), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-02-08 09:22:07,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:07,151 INFO L93 Difference]: Finished difference Result 520 states and 578 transitions. [2025-02-08 09:22:07,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:22:07,152 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 39.0) internal successors, (195), 6 states have internal predecessors, (195), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 277 [2025-02-08 09:22:07,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:07,153 INFO L225 Difference]: With dead ends: 520 [2025-02-08 09:22:07,153 INFO L226 Difference]: Without dead ends: 518 [2025-02-08 09:22:07,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:22:07,154 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 185 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:07,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 382 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:22:07,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2025-02-08 09:22:07,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 518. [2025-02-08 09:22:07,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 430 states have (on average 1.172093023255814) internal successors, (504), 481 states have internal predecessors, (504), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:22:07,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 574 transitions. [2025-02-08 09:22:07,175 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 574 transitions. Word has length 277 [2025-02-08 09:22:07,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:07,175 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 574 transitions. [2025-02-08 09:22:07,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 39.0) internal successors, (195), 6 states have internal predecessors, (195), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-02-08 09:22:07,175 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 574 transitions. [2025-02-08 09:22:07,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2025-02-08 09:22:07,176 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:07,176 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:07,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2025-02-08 09:22:07,176 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:07,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:07,177 INFO L85 PathProgramCache]: Analyzing trace with hash -836607252, now seen corresponding path program 1 times [2025-02-08 09:22:07,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:07,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514076896] [2025-02-08 09:22:07,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:07,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:07,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 278 statements into 1 equivalence classes. [2025-02-08 09:22:07,197 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 278 of 278 statements. [2025-02-08 09:22:07,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:07,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:07,413 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:22:07,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:07,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514076896] [2025-02-08 09:22:07,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514076896] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:07,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870056440] [2025-02-08 09:22:07,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:07,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:07,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:07,415 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:07,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-08 09:22:07,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 278 statements into 1 equivalence classes. [2025-02-08 09:22:07,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 278 of 278 statements. [2025-02-08 09:22:07,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:07,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:07,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:22:07,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:08,076 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:22:08,076 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:14,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870056440] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:14,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:22:14,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-08 09:22:14,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520401242] [2025-02-08 09:22:14,210 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:14,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:22:14,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:14,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:22:14,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:22:14,211 INFO L87 Difference]: Start difference. First operand 518 states and 574 transitions. Second operand has 16 states, 15 states have (on average 25.8) internal successors, (387), 16 states have internal predecessors, (387), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-02-08 09:22:16,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:16,273 INFO L93 Difference]: Finished difference Result 518 states and 574 transitions. [2025-02-08 09:22:16,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:22:16,274 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 25.8) internal successors, (387), 16 states have internal predecessors, (387), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 278 [2025-02-08 09:22:16,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:16,275 INFO L225 Difference]: With dead ends: 518 [2025-02-08 09:22:16,275 INFO L226 Difference]: Without dead ends: 482 [2025-02-08 09:22:16,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=188, Invalid=742, Unknown=0, NotChecked=0, Total=930 [2025-02-08 09:22:16,276 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 869 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 2074 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 2145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 2074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:16,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 370 Invalid, 2145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 2074 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-02-08 09:22:16,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2025-02-08 09:22:16,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 482. [2025-02-08 09:22:16,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 398 states have (on average 1.1758793969849246) internal successors, (468), 447 states have internal predecessors, (468), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 09:22:16,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 534 transitions. [2025-02-08 09:22:16,294 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 534 transitions. Word has length 278 [2025-02-08 09:22:16,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:16,294 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 534 transitions. [2025-02-08 09:22:16,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 25.8) internal successors, (387), 16 states have internal predecessors, (387), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-02-08 09:22:16,295 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 534 transitions. [2025-02-08 09:22:16,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2025-02-08 09:22:16,296 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:16,296 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2025-02-08 09:22:16,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-02-08 09:22:16,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:16,497 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:16,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:16,497 INFO L85 PathProgramCache]: Analyzing trace with hash 2137233947, now seen corresponding path program 3 times [2025-02-08 09:22:16,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:16,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169198505] [2025-02-08 09:22:16,497 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:22:16,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:16,506 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 282 statements into 8 equivalence classes. [2025-02-08 09:22:16,533 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 282 of 282 statements. [2025-02-08 09:22:16,533 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-02-08 09:22:16,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:16,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [471469195] [2025-02-08 09:22:16,534 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:22:16,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:16,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:16,536 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:16,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-08 09:22:16,575 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 282 statements into 8 equivalence classes. [2025-02-08 09:22:16,610 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 94 of 282 statements. [2025-02-08 09:22:16,611 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-08 09:22:16,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:16,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-08 09:22:16,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:17,141 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 90 proven. 94 refuted. 0 times theorem prover too weak. 683 trivial. 0 not checked. [2025-02-08 09:22:17,141 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:17,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:17,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169198505] [2025-02-08 09:22:17,590 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:17,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471469195] [2025-02-08 09:22:17,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471469195] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:17,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:22:17,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-08 09:22:17,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504009653] [2025-02-08 09:22:17,590 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:17,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:22:17,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:17,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:22:17,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:22:17,591 INFO L87 Difference]: Start difference. First operand 482 states and 534 transitions. Second operand has 10 states, 9 states have (on average 10.555555555555555) internal successors, (95), 10 states have internal predecessors, (95), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-08 09:22:18,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:22:23,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:22:24,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []