./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc 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/ps4-ll_valuebound2.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68d290aa6e6a124b20d02df1a641bd7e739f143db7416cdcc7b7048aed53c326 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 14:23:55,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 14:23:55,602 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 14:23:55,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 14:23:55,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 14:23:55,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 14:23:55,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 14:23:55,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 14:23:55,623 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 14:23:55,624 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 14:23:55,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 14:23:55,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 14:23:55,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 14:23:55,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 14:23:55,624 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 14:23:55,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 14:23:55,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 14:23:55,624 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 14:23:55,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 14:23:55,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 14:23:55,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 14:23:55,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 14:23:55,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 14:23:55,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 14:23:55,626 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 14:23:55,626 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 14:23:55,626 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 14:23:55,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 14:23:55,626 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 14:23:55,626 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 14:23:55,626 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 14:23:55,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 14:23:55,626 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 14:23:55,626 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 14:23:55,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:23:55,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 14:23:55,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 14:23:55,627 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 14:23:55,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 14:23:55,627 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 14:23:55,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 14:23:55,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 14:23:55,627 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 14:23:55,627 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 14:23:55,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 14:23:55,627 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 -> 68d290aa6e6a124b20d02df1a641bd7e739f143db7416cdcc7b7048aed53c326 [2025-02-06 14:23:55,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 14:23:55,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 14:23:55,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 14:23:55,857 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 14:23:55,857 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 14:23:55,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c [2025-02-06 14:23:56,979 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f79f498c4/a56ac7886bf94f64b54263c50fbece7f/FLAG92b77f773 [2025-02-06 14:23:57,157 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 14:23:57,159 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound2.c [2025-02-06 14:23:57,165 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f79f498c4/a56ac7886bf94f64b54263c50fbece7f/FLAG92b77f773 [2025-02-06 14:23:57,198 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f79f498c4/a56ac7886bf94f64b54263c50fbece7f [2025-02-06 14:23:57,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 14:23:57,208 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 14:23:57,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 14:23:57,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 14:23:57,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 14:23:57,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:23:57" (1/1) ... [2025-02-06 14:23:57,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e3f5dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:57, skipping insertion in model container [2025-02-06 14:23:57,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:23:57" (1/1) ... [2025-02-06 14:23:57,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 14:23:57,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:23:57,351 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 14:23:57,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:23:57,376 INFO L204 MainTranslator]: Completed translation [2025-02-06 14:23:57,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:57 WrapperNode [2025-02-06 14:23:57,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 14:23:57,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 14:23:57,378 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 14:23:57,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 14:23:57,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:57" (1/1) ... [2025-02-06 14:23:57,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:57" (1/1) ... [2025-02-06 14:23:57,402 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2025-02-06 14:23:57,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 14:23:57,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 14:23:57,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 14:23:57,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 14:23:57,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:57" (1/1) ... [2025-02-06 14:23:57,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:57" (1/1) ... [2025-02-06 14:23:57,413 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:57" (1/1) ... [2025-02-06 14:23:57,420 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]. [2025-02-06 14:23:57,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:57" (1/1) ... [2025-02-06 14:23:57,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:57" (1/1) ... [2025-02-06 14:23:57,422 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:57" (1/1) ... [2025-02-06 14:23:57,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:57" (1/1) ... [2025-02-06 14:23:57,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:57" (1/1) ... [2025-02-06 14:23:57,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:57" (1/1) ... [2025-02-06 14:23:57,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 14:23:57,425 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 14:23:57,425 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 14:23:57,426 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 14:23:57,426 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:57" (1/1) ... [2025-02-06 14:23:57,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:23:57,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:57,457 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) [2025-02-06 14:23:57,460 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 [2025-02-06 14:23:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 14:23:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 14:23:57,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 14:23:57,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 14:23:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 14:23:57,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 14:23:57,521 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 14:23:57,522 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 14:23:57,867 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2025-02-06 14:23:57,867 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 14:23:57,878 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 14:23:57,880 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 14:23:57,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:23:57 BoogieIcfgContainer [2025-02-06 14:23:57,880 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 14:23:57,882 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 14:23:57,882 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 14:23:57,885 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 14:23:57,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:23:57" (1/3) ... [2025-02-06 14:23:57,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15df83ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:23:57, skipping insertion in model container [2025-02-06 14:23:57,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:23:57" (2/3) ... [2025-02-06 14:23:57,887 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15df83ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:23:57, skipping insertion in model container [2025-02-06 14:23:57,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:23:57" (3/3) ... [2025-02-06 14:23:57,887 INFO L128 eAbstractionObserver]: Analyzing ICFG ps4-ll_valuebound2.c [2025-02-06 14:23:57,896 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 14:23:57,897 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps4-ll_valuebound2.c that has 2 procedures, 139 locations, 1 initial locations, 1 loop locations, and 60 error locations. [2025-02-06 14:23:57,940 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 14:23:57,948 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;@2574a098, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 14:23:57,949 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2025-02-06 14:23:57,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 74 states have (on average 1.864864864864865) internal successors, (138), 134 states have internal predecessors, (138), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:23:57,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-06 14:23:57,957 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:57,957 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 14:23:57,957 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 14:23:57,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:57,961 INFO L85 PathProgramCache]: Analyzing trace with hash 555702558, now seen corresponding path program 1 times [2025-02-06 14:23:57,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:57,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977324603] [2025-02-06 14:23:57,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:57,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:58,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 14:23:58,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 14:23:58,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:58,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:58,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:58,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:58,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977324603] [2025-02-06 14:23:58,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977324603] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:23:58,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:23:58,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:23:58,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678652690] [2025-02-06 14:23:58,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:58,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 14:23:58,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:58,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 14:23:58,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:23:58,072 INFO L87 Difference]: Start difference. First operand has 139 states, 74 states have (on average 1.864864864864865) internal successors, (138), 134 states have internal predecessors, (138), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:23:58,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:58,087 INFO L93 Difference]: Finished difference Result 264 states and 286 transitions. [2025-02-06 14:23:58,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 14:23:58,088 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-06 14:23:58,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:58,092 INFO L225 Difference]: With dead ends: 264 [2025-02-06 14:23:58,092 INFO L226 Difference]: Without dead ends: 122 [2025-02-06 14:23:58,094 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 [2025-02-06 14:23:58,096 INFO L435 NwaCegarLoop]: 130 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, 130 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 [2025-02-06 14:23:58,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:23:58,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-02-06 14:23:58,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2025-02-06 14:23:58,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 69 states have (on average 1.7246376811594204) internal successors, (119), 118 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:23:58,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 123 transitions. [2025-02-06 14:23:58,127 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 123 transitions. Word has length 6 [2025-02-06 14:23:58,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:58,127 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 123 transitions. [2025-02-06 14:23:58,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:23:58,128 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 123 transitions. [2025-02-06 14:23:58,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-06 14:23:58,128 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:58,128 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 14:23:58,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 14:23:58,129 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 14:23:58,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:58,129 INFO L85 PathProgramCache]: Analyzing trace with hash 555732349, now seen corresponding path program 1 times [2025-02-06 14:23:58,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:58,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982698922] [2025-02-06 14:23:58,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:58,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:58,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 14:23:58,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 14:23:58,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:58,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:58,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:58,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:58,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982698922] [2025-02-06 14:23:58,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982698922] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:23:58,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:23:58,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:23:58,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688888859] [2025-02-06 14:23:58,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:58,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:23:58,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:58,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:23:58,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:23:58,181 INFO L87 Difference]: Start difference. First operand 122 states and 123 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:23:58,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:58,292 INFO L93 Difference]: Finished difference Result 228 states and 239 transitions. [2025-02-06 14:23:58,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:23:58,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-06 14:23:58,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:58,294 INFO L225 Difference]: With dead ends: 228 [2025-02-06 14:23:58,294 INFO L226 Difference]: Without dead ends: 217 [2025-02-06 14:23:58,294 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 [2025-02-06 14:23:58,294 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 92 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:58,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 184 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:23:58,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2025-02-06 14:23:58,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 175. [2025-02-06 14:23:58,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 120 states have (on average 1.675) internal successors, (201), 169 states have internal predecessors, (201), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:23:58,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 209 transitions. [2025-02-06 14:23:58,312 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 209 transitions. Word has length 6 [2025-02-06 14:23:58,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:58,312 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 209 transitions. [2025-02-06 14:23:58,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:23:58,312 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 209 transitions. [2025-02-06 14:23:58,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-06 14:23:58,312 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:58,312 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:58,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 14:23:58,313 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 14:23:58,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:58,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1276423745, now seen corresponding path program 1 times [2025-02-06 14:23:58,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:58,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603240352] [2025-02-06 14:23:58,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:58,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:58,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 14:23:58,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 14:23:58,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:58,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:23:58,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [902179079] [2025-02-06 14:23:58,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:58,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:58,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:58,332 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) [2025-02-06 14:23:58,334 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 [2025-02-06 14:23:58,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 14:23:58,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 14:23:58,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:58,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:58,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:23:58,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:58,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:58,379 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:23:58,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:58,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603240352] [2025-02-06 14:23:58,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:23:58,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902179079] [2025-02-06 14:23:58,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902179079] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:23:58,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:23:58,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:23:58,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505531943] [2025-02-06 14:23:58,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:58,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:23:58,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:58,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:23:58,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:23:58,381 INFO L87 Difference]: Start difference. First operand 175 states and 209 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:23:58,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:58,584 INFO L93 Difference]: Finished difference Result 208 states and 217 transitions. [2025-02-06 14:23:58,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:23:58,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-02-06 14:23:58,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:58,585 INFO L225 Difference]: With dead ends: 208 [2025-02-06 14:23:58,587 INFO L226 Difference]: Without dead ends: 181 [2025-02-06 14:23:58,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:23:58,588 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 52 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:58,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 95 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:23:58,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2025-02-06 14:23:58,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 179. [2025-02-06 14:23:58,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 124 states have (on average 1.467741935483871) internal successors, (182), 173 states have internal predecessors, (182), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:23:58,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 190 transitions. [2025-02-06 14:23:58,601 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 190 transitions. Word has length 9 [2025-02-06 14:23:58,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:58,601 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 190 transitions. [2025-02-06 14:23:58,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:23:58,602 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 190 transitions. [2025-02-06 14:23:58,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-06 14:23:58,602 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:58,604 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:58,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 14:23:58,808 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 [2025-02-06 14:23:58,808 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 14:23:58,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:58,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1972543627, now seen corresponding path program 1 times [2025-02-06 14:23:58,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:58,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948829480] [2025-02-06 14:23:58,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:58,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:58,815 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 14:23:58,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 14:23:58,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:58,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:58,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:58,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:58,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948829480] [2025-02-06 14:23:58,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948829480] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:23:58,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:23:58,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:23:58,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254962303] [2025-02-06 14:23:58,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:58,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:23:58,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:58,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:23:58,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:23:58,876 INFO L87 Difference]: Start difference. First operand 179 states and 190 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:23:59,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:59,079 INFO L93 Difference]: Finished difference Result 196 states and 201 transitions. [2025-02-06 14:23:59,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:23:59,079 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-02-06 14:23:59,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:59,080 INFO L225 Difference]: With dead ends: 196 [2025-02-06 14:23:59,081 INFO L226 Difference]: Without dead ends: 162 [2025-02-06 14:23:59,081 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 [2025-02-06 14:23:59,086 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 64 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:59,086 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 171 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:23:59,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2025-02-06 14:23:59,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 151. [2025-02-06 14:23:59,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 97 states have (on average 1.5360824742268042) internal successors, (149), 146 states have internal predecessors, (149), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:23:59,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 155 transitions. [2025-02-06 14:23:59,098 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 155 transitions. Word has length 14 [2025-02-06 14:23:59,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:59,098 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 155 transitions. [2025-02-06 14:23:59,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:23:59,098 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 155 transitions. [2025-02-06 14:23:59,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-06 14:23:59,099 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:59,099 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:59,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 14:23:59,099 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 14:23:59,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:59,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1356344073, now seen corresponding path program 1 times [2025-02-06 14:23:59,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:59,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008790907] [2025-02-06 14:23:59,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:59,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:59,105 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 14:23:59,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 14:23:59,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:59,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:59,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:59,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:59,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008790907] [2025-02-06 14:23:59,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008790907] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:23:59,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:23:59,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:23:59,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613729240] [2025-02-06 14:23:59,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:59,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:23:59,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:59,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:23:59,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:23:59,176 INFO L87 Difference]: Start difference. First operand 151 states and 155 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:59,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:59,195 INFO L93 Difference]: Finished difference Result 153 states and 155 transitions. [2025-02-06 14:23:59,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:23:59,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2025-02-06 14:23:59,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:59,197 INFO L225 Difference]: With dead ends: 153 [2025-02-06 14:23:59,197 INFO L226 Difference]: Without dead ends: 151 [2025-02-06 14:23:59,197 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 [2025-02-06 14:23:59,197 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 1 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:59,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 235 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:23:59,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2025-02-06 14:23:59,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2025-02-06 14:23:59,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 97 states have (on average 1.5154639175257731) internal successors, (147), 146 states have internal predecessors, (147), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:23:59,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 153 transitions. [2025-02-06 14:23:59,207 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 153 transitions. Word has length 34 [2025-02-06 14:23:59,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:59,211 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 153 transitions. [2025-02-06 14:23:59,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:59,212 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 153 transitions. [2025-02-06 14:23:59,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-06 14:23:59,212 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:59,212 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:59,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 14:23:59,212 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 14:23:59,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:59,214 INFO L85 PathProgramCache]: Analyzing trace with hash -393101694, now seen corresponding path program 1 times [2025-02-06 14:23:59,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:59,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186085285] [2025-02-06 14:23:59,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:59,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:59,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 14:23:59,235 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 14:23:59,235 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:59,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:23:59,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [686189785] [2025-02-06 14:23:59,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:59,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:59,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:23:59,238 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) [2025-02-06 14:23:59,238 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 [2025-02-06 14:23:59,258 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 14:23:59,267 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 14:23:59,267 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:59,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:59,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:23:59,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:23:59,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:59,332 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:23:59,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:59,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186085285] [2025-02-06 14:23:59,332 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:23:59,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686189785] [2025-02-06 14:23:59,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686189785] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:23:59,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:23:59,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:23:59,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746503536] [2025-02-06 14:23:59,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:59,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:23:59,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:59,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:23:59,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:23:59,333 INFO L87 Difference]: Start difference. First operand 151 states and 153 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:59,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:23:59,531 INFO L93 Difference]: Finished difference Result 247 states and 269 transitions. [2025-02-06 14:23:59,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:23:59,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2025-02-06 14:23:59,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:23:59,532 INFO L225 Difference]: With dead ends: 247 [2025-02-06 14:23:59,532 INFO L226 Difference]: Without dead ends: 221 [2025-02-06 14:23:59,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:23:59,533 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 66 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:23:59,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 107 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:23:59,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-02-06 14:23:59,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 213. [2025-02-06 14:23:59,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 157 states have (on average 1.464968152866242) internal successors, (230), 206 states have internal predecessors, (230), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:23:59,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 240 transitions. [2025-02-06 14:23:59,539 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 240 transitions. Word has length 39 [2025-02-06 14:23:59,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:23:59,539 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 240 transitions. [2025-02-06 14:23:59,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:23:59,539 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 240 transitions. [2025-02-06 14:23:59,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-06 14:23:59,540 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:23:59,540 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:23:59,545 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 [2025-02-06 14:23:59,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:23:59,744 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 14:23:59,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:23:59,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1483286913, now seen corresponding path program 1 times [2025-02-06 14:23:59,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:23:59,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398441448] [2025-02-06 14:23:59,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:23:59,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:23:59,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 14:23:59,759 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 14:23:59,759 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:23:59,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:23:59,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:23:59,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:23:59,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398441448] [2025-02-06 14:23:59,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398441448] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:23:59,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:23:59,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:23:59,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068833806] [2025-02-06 14:23:59,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:23:59,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:23:59,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:23:59,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:23:59,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:23:59,839 INFO L87 Difference]: Start difference. First operand 213 states and 240 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:24:00,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:24:00,051 INFO L93 Difference]: Finished difference Result 214 states and 240 transitions. [2025-02-06 14:24:00,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:24:00,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2025-02-06 14:24:00,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:24:00,053 INFO L225 Difference]: With dead ends: 214 [2025-02-06 14:24:00,053 INFO L226 Difference]: Without dead ends: 213 [2025-02-06 14:24:00,053 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 [2025-02-06 14:24:00,054 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 30 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:24:00,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 194 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:24:00,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2025-02-06 14:24:00,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2025-02-06 14:24:00,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 157 states have (on average 1.4585987261146496) internal successors, (229), 206 states have internal predecessors, (229), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:24:00,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 239 transitions. [2025-02-06 14:24:00,062 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 239 transitions. Word has length 42 [2025-02-06 14:24:00,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:24:00,062 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 239 transitions. [2025-02-06 14:24:00,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:24:00,063 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 239 transitions. [2025-02-06 14:24:00,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 14:24:00,064 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:24:00,064 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:24:00,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 14:24:00,064 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 14:24:00,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:24:00,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1262745922, now seen corresponding path program 1 times [2025-02-06 14:24:00,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:24:00,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034659928] [2025-02-06 14:24:00,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:00,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:24:00,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 14:24:00,078 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 14:24:00,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:00,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:24:00,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:24:00,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:24:00,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034659928] [2025-02-06 14:24:00,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034659928] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:24:00,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:24:00,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:24:00,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272765979] [2025-02-06 14:24:00,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:24:00,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:24:00,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:24:00,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:24:00,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:24:00,147 INFO L87 Difference]: Start difference. First operand 213 states and 239 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:24:00,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:24:00,274 INFO L93 Difference]: Finished difference Result 214 states and 239 transitions. [2025-02-06 14:24:00,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:24:00,274 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2025-02-06 14:24:00,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:24:00,275 INFO L225 Difference]: With dead ends: 214 [2025-02-06 14:24:00,276 INFO L226 Difference]: Without dead ends: 213 [2025-02-06 14:24:00,276 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 [2025-02-06 14:24:00,276 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 27 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:24:00,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 199 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:24:00,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2025-02-06 14:24:00,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2025-02-06 14:24:00,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 157 states have (on average 1.4522292993630572) internal successors, (228), 206 states have internal predecessors, (228), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:24:00,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 238 transitions. [2025-02-06 14:24:00,285 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 238 transitions. Word has length 43 [2025-02-06 14:24:00,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:24:00,285 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 238 transitions. [2025-02-06 14:24:00,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:24:00,285 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 238 transitions. [2025-02-06 14:24:00,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-06 14:24:00,286 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:24:00,286 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-06 14:24:00,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 14:24:00,286 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 14:24:00,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:24:00,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1976916860, now seen corresponding path program 1 times [2025-02-06 14:24:00,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:24:00,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106260177] [2025-02-06 14:24:00,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:00,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:24:00,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:24:00,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:24:00,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:00,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:24:00,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [799895430] [2025-02-06 14:24:00,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:00,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:24:00,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:24:00,311 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) [2025-02-06 14:24:00,313 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 [2025-02-06 14:24:00,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:24:00,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:24:00,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:00,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:24:00,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:24:00,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:24:00,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:24:00,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:24:00,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:24:00,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:24:00,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106260177] [2025-02-06 14:24:00,578 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:24:00,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799895430] [2025-02-06 14:24:00,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799895430] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:24:00,578 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:24:00,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-02-06 14:24:00,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351755874] [2025-02-06 14:24:00,579 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:24:00,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:24:00,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:24:00,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:24:00,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:24:00,580 INFO L87 Difference]: Start difference. First operand 213 states and 238 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:24:01,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:24:01,004 INFO L93 Difference]: Finished difference Result 238 states and 252 transitions. [2025-02-06 14:24:01,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:24:01,004 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2025-02-06 14:24:01,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:24:01,005 INFO L225 Difference]: With dead ends: 238 [2025-02-06 14:24:01,005 INFO L226 Difference]: Without dead ends: 225 [2025-02-06 14:24:01,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:24:01,006 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 277 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:24:01,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 88 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:24:01,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2025-02-06 14:24:01,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 214. [2025-02-06 14:24:01,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 161 states have (on average 1.3726708074534162) internal successors, (221), 207 states have internal predecessors, (221), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:24:01,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 231 transitions. [2025-02-06 14:24:01,011 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 231 transitions. Word has length 45 [2025-02-06 14:24:01,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:24:01,012 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 231 transitions. [2025-02-06 14:24:01,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:24:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 231 transitions. [2025-02-06 14:24:01,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-06 14:24:01,012 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:24:01,012 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:24:01,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 14:24:01,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:24:01,217 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 14:24:01,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:24:01,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1150255500, now seen corresponding path program 1 times [2025-02-06 14:24:01,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:24:01,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041485546] [2025-02-06 14:24:01,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:01,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:24:01,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 14:24:01,228 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 14:24:01,228 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:01,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:24:01,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [569761416] [2025-02-06 14:24:01,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:01,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:24:01,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:24:01,232 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) [2025-02-06 14:24:01,233 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 [2025-02-06 14:24:01,253 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 14:24:01,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 14:24:01,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:01,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:24:01,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:24:01,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:24:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:24:01,405 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:24:01,514 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:24:01,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:24:01,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041485546] [2025-02-06 14:24:01,515 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:24:01,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569761416] [2025-02-06 14:24:01,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569761416] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-06 14:24:01,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:24:01,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-02-06 14:24:01,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096204039] [2025-02-06 14:24:01,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:24:01,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:24:01,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:24:01,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:24:01,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:24:01,516 INFO L87 Difference]: Start difference. First operand 214 states and 231 transitions. Second operand has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:24:05,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:24:06,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:24:06,205 INFO L93 Difference]: Finished difference Result 214 states and 231 transitions. [2025-02-06 14:24:06,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:24:06,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2025-02-06 14:24:06,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:24:06,207 INFO L225 Difference]: With dead ends: 214 [2025-02-06 14:24:06,207 INFO L226 Difference]: Without dead ends: 212 [2025-02-06 14:24:06,208 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:24:06,208 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 93 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2025-02-06 14:24:06,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 46 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 296 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2025-02-06 14:24:06,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2025-02-06 14:24:06,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2025-02-06 14:24:06,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 161 states have (on average 1.3478260869565217) internal successors, (217), 205 states have internal predecessors, (217), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:24:06,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 227 transitions. [2025-02-06 14:24:06,215 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 227 transitions. Word has length 53 [2025-02-06 14:24:06,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:24:06,216 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 227 transitions. [2025-02-06 14:24:06,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.75) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-06 14:24:06,216 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 227 transitions. [2025-02-06 14:24:06,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-02-06 14:24:06,217 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:24:06,217 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:24:06,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 14:24:06,418 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,SelfDestructingSolverStorable9 [2025-02-06 14:24:06,418 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 14:24:06,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:24:06,418 INFO L85 PathProgramCache]: Analyzing trace with hash 107487596, now seen corresponding path program 1 times [2025-02-06 14:24:06,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:24:06,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906564130] [2025-02-06 14:24:06,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:06,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:24:06,422 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-06 14:24:06,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-06 14:24:06,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:06,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:24:06,490 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:24:06,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:24:06,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906564130] [2025-02-06 14:24:06,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906564130] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:24:06,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012812269] [2025-02-06 14:24:06,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:06,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:24:06,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:24:06,493 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) [2025-02-06 14:24:06,494 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 [2025-02-06 14:24:06,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-06 14:24:06,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-06 14:24:06,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:06,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:24:06,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:24:06,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:24:06,666 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:24:06,666 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:24:19,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012812269] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:24:19,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:24:19,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-02-06 14:24:19,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700130530] [2025-02-06 14:24:19,153 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:24:19,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:24:19,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:24:19,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:24:19,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=100, Unknown=3, NotChecked=0, Total=156 [2025-02-06 14:24:19,154 INFO L87 Difference]: Start difference. First operand 212 states and 227 transitions. Second operand has 9 states, 8 states have (on average 13.0) internal successors, (104), 9 states have internal predecessors, (104), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:24:20,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:24:20,653 INFO L93 Difference]: Finished difference Result 223 states and 232 transitions. [2025-02-06 14:24:20,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:24:20,653 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.0) internal successors, (104), 9 states have internal predecessors, (104), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 61 [2025-02-06 14:24:20,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:24:20,654 INFO L225 Difference]: With dead ends: 223 [2025-02-06 14:24:20,654 INFO L226 Difference]: Without dead ends: 197 [2025-02-06 14:24:20,655 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=77, Invalid=130, Unknown=3, NotChecked=0, Total=210 [2025-02-06 14:24:20,655 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 293 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:24:20,655 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 143 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-02-06 14:24:20,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2025-02-06 14:24:20,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 190. [2025-02-06 14:24:20,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 140 states have (on average 1.3714285714285714) internal successors, (192), 184 states have internal predecessors, (192), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:24:20,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 200 transitions. [2025-02-06 14:24:20,662 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 200 transitions. Word has length 61 [2025-02-06 14:24:20,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:24:20,663 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 200 transitions. [2025-02-06 14:24:20,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.0) internal successors, (104), 9 states have internal predecessors, (104), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:24:20,663 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 200 transitions. [2025-02-06 14:24:20,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-02-06 14:24:20,664 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:24:20,664 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:24:20,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-06 14:24:20,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-02-06 14:24:20,865 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 14:24:20,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:24:20,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1534907477, now seen corresponding path program 1 times [2025-02-06 14:24:20,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:24:20,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073444720] [2025-02-06 14:24:20,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:20,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:24:20,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-06 14:24:20,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 14:24:20,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:20,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:24:20,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [702464887] [2025-02-06 14:24:20,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:20,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:24:20,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:24:20,878 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) [2025-02-06 14:24:20,879 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 [2025-02-06 14:24:20,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-06 14:24:20,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 14:24:20,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:20,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:24:20,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:24:20,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:24:21,070 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:24:21,070 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:24:21,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:24:21,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073444720] [2025-02-06 14:24:21,452 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:24:21,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702464887] [2025-02-06 14:24:21,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702464887] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:24:21,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:24:21,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 14:24:21,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842603899] [2025-02-06 14:24:21,452 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:24:21,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:24:21,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:24:21,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:24:21,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:24:21,453 INFO L87 Difference]: Start difference. First operand 190 states and 200 transitions. Second operand has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:24:21,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:24:21,635 INFO L93 Difference]: Finished difference Result 193 states and 200 transitions. [2025-02-06 14:24:21,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:24:21,636 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 73 [2025-02-06 14:24:21,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:24:21,637 INFO L225 Difference]: With dead ends: 193 [2025-02-06 14:24:21,637 INFO L226 Difference]: Without dead ends: 189 [2025-02-06 14:24:21,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:24:21,637 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 24 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:24:21,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 314 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:24:21,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2025-02-06 14:24:21,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2025-02-06 14:24:21,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 139 states have (on average 1.3525179856115108) internal successors, (188), 183 states have internal predecessors, (188), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:24:21,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 196 transitions. [2025-02-06 14:24:21,642 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 196 transitions. Word has length 73 [2025-02-06 14:24:21,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:24:21,642 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 196 transitions. [2025-02-06 14:24:21,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:24:21,642 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 196 transitions. [2025-02-06 14:24:21,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-02-06 14:24:21,643 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:24:21,643 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:24:21,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-06 14:24:21,843 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,SelfDestructingSolverStorable11 [2025-02-06 14:24:21,843 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 14:24:21,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:24:21,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1534907528, now seen corresponding path program 1 times [2025-02-06 14:24:21,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:24:21,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000384303] [2025-02-06 14:24:21,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:21,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:24:21,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-06 14:24:21,851 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 14:24:21,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:21,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:24:21,916 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:24:21,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:24:21,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000384303] [2025-02-06 14:24:21,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000384303] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:24:21,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752457302] [2025-02-06 14:24:21,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:21,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:24:21,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:24:21,918 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) [2025-02-06 14:24:21,920 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 [2025-02-06 14:24:21,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-06 14:24:21,949 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 14:24:21,949 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:21,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:24:21,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:24:21,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:24:22,010 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:24:22,010 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:24:22,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752457302] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:24:22,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:24:22,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-06 14:24:22,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057767753] [2025-02-06 14:24:22,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:24:22,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:24:22,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:24:22,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:24:22,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:24:22,012 INFO L87 Difference]: Start difference. First operand 189 states and 196 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:24:22,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:24:22,029 INFO L93 Difference]: Finished difference Result 189 states and 196 transitions. [2025-02-06 14:24:22,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:24:22,036 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 73 [2025-02-06 14:24:22,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:24:22,037 INFO L225 Difference]: With dead ends: 189 [2025-02-06 14:24:22,037 INFO L226 Difference]: Without dead ends: 188 [2025-02-06 14:24:22,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:24:22,037 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 45 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:24:22,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 217 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:24:22,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2025-02-06 14:24:22,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2025-02-06 14:24:22,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 139 states have (on average 1.3381294964028776) internal successors, (186), 182 states have internal predecessors, (186), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:24:22,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 194 transitions. [2025-02-06 14:24:22,043 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 194 transitions. Word has length 73 [2025-02-06 14:24:22,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:24:22,043 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 194 transitions. [2025-02-06 14:24:22,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:24:22,043 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 194 transitions. [2025-02-06 14:24:22,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-02-06 14:24:22,044 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:24:22,044 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:24:22,051 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 [2025-02-06 14:24:22,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:24:22,245 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 14:24:22,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:24:22,245 INFO L85 PathProgramCache]: Analyzing trace with hash 337491558, now seen corresponding path program 1 times [2025-02-06 14:24:22,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:24:22,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214721837] [2025-02-06 14:24:22,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:22,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:24:22,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-06 14:24:22,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-06 14:24:22,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:22,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:24:22,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [111920634] [2025-02-06 14:24:22,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:22,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:24:22,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:24:22,260 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) [2025-02-06 14:24:22,261 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 [2025-02-06 14:24:22,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-06 14:24:22,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-06 14:24:22,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:22,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:24:22,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:24:22,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:24:22,442 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:24:22,442 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:24:22,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:24:22,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214721837] [2025-02-06 14:24:22,777 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:24:22,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111920634] [2025-02-06 14:24:22,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111920634] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:24:22,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:24:22,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 14:24:22,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213523823] [2025-02-06 14:24:22,778 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:24:22,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:24:22,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:24:22,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:24:22,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:24:22,778 INFO L87 Difference]: Start difference. First operand 188 states and 194 transitions. Second operand has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:24:22,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:24:22,959 INFO L93 Difference]: Finished difference Result 189 states and 194 transitions. [2025-02-06 14:24:22,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:24:22,959 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2025-02-06 14:24:22,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:24:22,960 INFO L225 Difference]: With dead ends: 189 [2025-02-06 14:24:22,960 INFO L226 Difference]: Without dead ends: 188 [2025-02-06 14:24:22,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:24:22,961 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 23 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:24:22,961 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 410 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:24:22,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2025-02-06 14:24:22,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2025-02-06 14:24:22,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 139 states have (on average 1.330935251798561) internal successors, (185), 182 states have internal predecessors, (185), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:24:22,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 193 transitions. [2025-02-06 14:24:22,965 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 193 transitions. Word has length 74 [2025-02-06 14:24:22,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:24:22,965 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 193 transitions. [2025-02-06 14:24:22,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:24:22,965 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 193 transitions. [2025-02-06 14:24:22,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-06 14:24:22,966 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:24:22,966 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-06 14:24:22,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-06 14:24:23,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:24:23,166 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 14:24:23,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:24:23,167 INFO L85 PathProgramCache]: Analyzing trace with hash -307410799, now seen corresponding path program 1 times [2025-02-06 14:24:23,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:24:23,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263719609] [2025-02-06 14:24:23,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:23,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:24:23,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-06 14:24:23,177 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-06 14:24:23,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:23,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:24:23,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [553460687] [2025-02-06 14:24:23,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:23,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:24:23,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:24:23,180 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) [2025-02-06 14:24:23,182 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 [2025-02-06 14:24:23,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-06 14:24:23,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-06 14:24:23,213 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:23,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:24:23,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 14:24:23,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:24:23,351 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:24:23,351 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:24:23,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:24:23,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263719609] [2025-02-06 14:24:23,462 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:24:23,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553460687] [2025-02-06 14:24:23,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [553460687] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:24:23,462 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:24:23,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 14:24:23,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837023996] [2025-02-06 14:24:23,462 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:24:23,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:24:23,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:24:23,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:24:23,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:24:23,463 INFO L87 Difference]: Start difference. First operand 188 states and 193 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:24:23,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:24:23,666 INFO L93 Difference]: Finished difference Result 189 states and 193 transitions. [2025-02-06 14:24:23,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:24:23,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 77 [2025-02-06 14:24:23,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:24:23,668 INFO L225 Difference]: With dead ends: 189 [2025-02-06 14:24:23,668 INFO L226 Difference]: Without dead ends: 183 [2025-02-06 14:24:23,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:24:23,668 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 6 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:24:23,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 143 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:24:23,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2025-02-06 14:24:23,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2025-02-06 14:24:23,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 134 states have (on average 1.335820895522388) internal successors, (179), 177 states have internal predecessors, (179), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:24:23,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 187 transitions. [2025-02-06 14:24:23,673 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 187 transitions. Word has length 77 [2025-02-06 14:24:23,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:24:23,673 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 187 transitions. [2025-02-06 14:24:23,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:24:23,673 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 187 transitions. [2025-02-06 14:24:23,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-02-06 14:24:23,673 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:24:23,674 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:24:23,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-06 14:24:23,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:24:23,878 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 14:24:23,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:24:23,879 INFO L85 PathProgramCache]: Analyzing trace with hash 539372643, now seen corresponding path program 1 times [2025-02-06 14:24:23,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:24:23,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797323358] [2025-02-06 14:24:23,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:23,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:24:23,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-06 14:24:23,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-06 14:24:23,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:23,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:24:23,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1783432120] [2025-02-06 14:24:23,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:23,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:24:23,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:24:23,896 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) [2025-02-06 14:24:23,897 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 [2025-02-06 14:24:23,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-06 14:24:23,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-06 14:24:23,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:23,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:24:23,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:24:23,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:24:23,991 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:24:23,991 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:24:24,102 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:24:24,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:24:24,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797323358] [2025-02-06 14:24:24,102 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:24:24,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783432120] [2025-02-06 14:24:24,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783432120] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:24:24,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:24:24,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-02-06 14:24:24,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029400829] [2025-02-06 14:24:24,102 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:24:24,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:24:24,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:24:24,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:24:24,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:24:24,103 INFO L87 Difference]: Start difference. First operand 183 states and 187 transitions. Second operand has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 8 states have internal predecessors, (136), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:24:24,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:24:24,385 INFO L93 Difference]: Finished difference Result 264 states and 299 transitions. [2025-02-06 14:24:24,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:24:24,386 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 8 states have internal predecessors, (136), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 78 [2025-02-06 14:24:24,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:24:24,387 INFO L225 Difference]: With dead ends: 264 [2025-02-06 14:24:24,387 INFO L226 Difference]: Without dead ends: 239 [2025-02-06 14:24:24,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:24:24,387 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 197 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:24:24,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 129 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:24:24,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2025-02-06 14:24:24,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 222. [2025-02-06 14:24:24,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 183 states have (on average 1.2513661202185793) internal successors, (229), 214 states have internal predecessors, (229), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:24:24,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 241 transitions. [2025-02-06 14:24:24,393 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 241 transitions. Word has length 78 [2025-02-06 14:24:24,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:24:24,393 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 241 transitions. [2025-02-06 14:24:24,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 8 states have internal predecessors, (136), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:24:24,393 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 241 transitions. [2025-02-06 14:24:24,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-06 14:24:24,394 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:24:24,394 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-06 14:24:24,399 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 [2025-02-06 14:24:24,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-02-06 14:24:24,594 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 14:24:24,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:24:24,595 INFO L85 PathProgramCache]: Analyzing trace with hash 246717471, now seen corresponding path program 1 times [2025-02-06 14:24:24,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:24:24,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780069766] [2025-02-06 14:24:24,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:24,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:24:24,598 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 14:24:24,606 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 14:24:24,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:24,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:24:24,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1258402214] [2025-02-06 14:24:24,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:24,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:24:24,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:24:24,610 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) [2025-02-06 14:24:24,612 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 [2025-02-06 14:24:24,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 14:24:24,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 14:24:24,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:24,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:24:24,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 14:24:24,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:24:24,805 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:24:24,805 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:24:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:24:25,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:24:25,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780069766] [2025-02-06 14:24:25,235 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:24:25,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258402214] [2025-02-06 14:24:25,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258402214] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:24:25,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:24:25,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2025-02-06 14:24:25,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246648956] [2025-02-06 14:24:25,235 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:24:25,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 14:24:25,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:24:25,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 14:24:25,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:24:25,236 INFO L87 Difference]: Start difference. First operand 222 states and 241 transitions. Second operand has 14 states, 13 states have (on average 11.461538461538462) internal successors, (149), 14 states have internal predecessors, (149), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:24:31,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:24:37,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:24:41,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:24:45,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:24:49,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:24:49,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:24:49,922 INFO L93 Difference]: Finished difference Result 224 states and 243 transitions. [2025-02-06 14:24:49,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:24:49,922 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.461538461538462) internal successors, (149), 14 states have internal predecessors, (149), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 82 [2025-02-06 14:24:49,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:24:49,923 INFO L225 Difference]: With dead ends: 224 [2025-02-06 14:24:49,923 INFO L226 Difference]: Without dead ends: 223 [2025-02-06 14:24:49,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:24:49,924 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 158 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 735 mSolverCounterSat, 23 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 735 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:24:49,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 93 Invalid, 762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 735 Invalid, 4 Unknown, 0 Unchecked, 24.6s Time] [2025-02-06 14:24:49,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2025-02-06 14:24:49,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 221. [2025-02-06 14:24:49,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 183 states have (on average 1.2404371584699454) internal successors, (227), 213 states have internal predecessors, (227), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:24:49,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 239 transitions. [2025-02-06 14:24:49,935 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 239 transitions. Word has length 82 [2025-02-06 14:24:49,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:24:49,935 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 239 transitions. [2025-02-06 14:24:49,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.461538461538462) internal successors, (149), 14 states have internal predecessors, (149), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:24:49,936 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 239 transitions. [2025-02-06 14:24:49,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-06 14:24:49,936 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:24:49,937 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2025-02-06 14:24:49,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-06 14:24:50,141 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,SelfDestructingSolverStorable16 [2025-02-06 14:24:50,141 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 14:24:50,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:24:50,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1271232353, now seen corresponding path program 1 times [2025-02-06 14:24:50,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:24:50,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054947771] [2025-02-06 14:24:50,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:50,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:24:50,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-06 14:24:50,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-06 14:24:50,161 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:50,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:24:50,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1776126014] [2025-02-06 14:24:50,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:24:50,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:24:50,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:24:50,163 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) [2025-02-06 14:24:50,165 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 [2025-02-06 14:24:50,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-06 14:24:50,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-06 14:24:50,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:24:50,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:24:50,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 14:24:50,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:24:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:24:50,367 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:24:50,518 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:24:50,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:24:50,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054947771] [2025-02-06 14:24:50,519 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:24:50,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776126014] [2025-02-06 14:24:50,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776126014] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:24:50,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:24:50,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-02-06 14:24:50,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354634405] [2025-02-06 14:24:50,520 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:24:50,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:24:50,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:24:50,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:24:50,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:24:50,521 INFO L87 Difference]: Start difference. First operand 221 states and 239 transitions. Second operand has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 12 states have internal predecessors, (150), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:24:51,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:24:51,212 INFO L93 Difference]: Finished difference Result 313 states and 362 transitions. [2025-02-06 14:24:51,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:24:51,212 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 12 states have internal predecessors, (150), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 85 [2025-02-06 14:24:51,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:24:51,213 INFO L225 Difference]: With dead ends: 313 [2025-02-06 14:24:51,213 INFO L226 Difference]: Without dead ends: 301 [2025-02-06 14:24:51,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:24:51,214 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 436 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:24:51,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 143 Invalid, 995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 14:24:51,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2025-02-06 14:24:51,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 261. [2025-02-06 14:24:51,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 229 states have (on average 1.1965065502183405) internal successors, (274), 252 states have internal predecessors, (274), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 14:24:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 288 transitions. [2025-02-06 14:24:51,223 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 288 transitions. Word has length 85 [2025-02-06 14:24:51,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:24:51,223 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 288 transitions. [2025-02-06 14:24:51,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 12 states have internal predecessors, (150), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:24:51,223 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 288 transitions. [2025-02-06 14:24:51,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-06 14:24:51,224 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:24:51,224 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2025-02-06 14:24:51,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-06 14:24:51,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-06 14:24:51,428 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 14:24:51,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:24:51,428 INFO L85 PathProgramCache]: Analyzing trace with hash -355172211, now seen corresponding path program 2 times [2025-02-06 14:24:51,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:24:51,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376175175] [2025-02-06 14:24:51,428 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:24:51,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:24:51,433 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 100 statements into 2 equivalence classes. [2025-02-06 14:24:51,448 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 100 of 100 statements. [2025-02-06 14:24:51,449 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:24:51,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:24:51,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1039062390] [2025-02-06 14:24:51,449 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:24:51,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:24:51,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:24:51,451 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) [2025-02-06 14:24:51,453 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 [2025-02-06 14:24:51,479 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 100 statements into 2 equivalence classes. [2025-02-06 14:24:51,495 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 100 of 100 statements. [2025-02-06 14:24:51,495 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:24:51,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:24:51,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 14:24:51,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:24:51,938 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:24:51,938 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:25:04,647 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-02-06 14:25:04,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:25:04,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376175175] [2025-02-06 14:25:04,647 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:25:04,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039062390] [2025-02-06 14:25:04,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039062390] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-06 14:25:04,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:25:04,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2025-02-06 14:25:04,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004239255] [2025-02-06 14:25:04,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:25:04,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:25:04,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:25:04,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:25:04,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=161, Unknown=2, NotChecked=0, Total=210 [2025-02-06 14:25:04,648 INFO L87 Difference]: Start difference. First operand 261 states and 288 transitions. Second operand has 8 states, 7 states have (on average 10.428571428571429) internal successors, (73), 8 states have internal predecessors, (73), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:25:09,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:25:13,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:25:14,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:25:18,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:25:22,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:25:26,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:25:31,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:25:35,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:25:37,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1]