./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/ps4-ll.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/ps4-ll.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 ef01badb7f90b6597aa83d48583be40b7afc9a4c054f915d626bd89be70c7009 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:48:53,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:48:53,573 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 13:48:53,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:48:53,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:48:53,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:48:53,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:48:53,596 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:48:53,596 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:48:53,596 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:48:53,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:48:53,596 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:48:53,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:48:53,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:48:53,597 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:48:53,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:48:53,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:48:53,597 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:48:53,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:48:53,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:48:53,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:48:53,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:48:53,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:48:53,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:48:53,597 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:48:53,599 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:48:53,599 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:48:53,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:48:53,599 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:48:53,599 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:48:53,599 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:48:53,600 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:48:53,600 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:48:53,600 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:48:53,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:48:53,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:48:53,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:48:53,600 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:48:53,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:48:53,600 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:48:53,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:48:53,600 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:48:53,600 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:48:53,600 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:48:53,601 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:48:53,601 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 -> ef01badb7f90b6597aa83d48583be40b7afc9a4c054f915d626bd89be70c7009 [2025-02-06 13:48:53,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:48:53,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:48:53,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:48:53,812 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:48:53,812 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:48:53,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps4-ll.c [2025-02-06 13:48:54,908 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08ed82500/1880f1a81b514a20b2f105d2ab88e416/FLAGa5a5c4b00 [2025-02-06 13:48:55,129 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:48:55,131 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps4-ll.c [2025-02-06 13:48:55,137 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08ed82500/1880f1a81b514a20b2f105d2ab88e416/FLAGa5a5c4b00 [2025-02-06 13:48:55,156 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/08ed82500/1880f1a81b514a20b2f105d2ab88e416 [2025-02-06 13:48:55,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:48:55,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:48:55,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:48:55,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:48:55,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:48:55,175 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:48:55" (1/1) ... [2025-02-06 13:48:55,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a317b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:48:55, skipping insertion in model container [2025-02-06 13:48:55,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:48:55" (1/1) ... [2025-02-06 13:48:55,191 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:48:55,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:48:55,310 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:48:55,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:48:55,336 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:48:55,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:48:55 WrapperNode [2025-02-06 13:48:55,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:48:55,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:48:55,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:48:55,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:48:55,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:48:55" (1/1) ... [2025-02-06 13:48:55,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:48:55" (1/1) ... [2025-02-06 13:48:55,360 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 97 [2025-02-06 13:48:55,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:48:55,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:48:55,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:48:55,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:48:55,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:48:55" (1/1) ... [2025-02-06 13:48:55,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:48:55" (1/1) ... [2025-02-06 13:48:55,377 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:48:55" (1/1) ... [2025-02-06 13:48:55,391 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 13:48:55,391 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:48:55" (1/1) ... [2025-02-06 13:48:55,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:48:55" (1/1) ... [2025-02-06 13:48:55,393 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:48:55" (1/1) ... [2025-02-06 13:48:55,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:48:55" (1/1) ... [2025-02-06 13:48:55,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:48:55" (1/1) ... [2025-02-06 13:48:55,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:48:55" (1/1) ... [2025-02-06 13:48:55,400 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:48:55,400 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:48:55,401 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:48:55,401 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:48:55,401 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:48:55" (1/1) ... [2025-02-06 13:48:55,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:48:55,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:48:55,441 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 13:48:55,444 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 13:48:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 13:48:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 13:48:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:48:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:48:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 13:48:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 13:48:55,493 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:48:55,494 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:48:55,835 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2025-02-06 13:48:55,835 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:48:55,846 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:48:55,847 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:48:55,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:48:55 BoogieIcfgContainer [2025-02-06 13:48:55,847 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:48:55,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:48:55,850 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:48:55,853 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:48:55,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:48:55" (1/3) ... [2025-02-06 13:48:55,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc6cb09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:48:55, skipping insertion in model container [2025-02-06 13:48:55,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:48:55" (2/3) ... [2025-02-06 13:48:55,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc6cb09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:48:55, skipping insertion in model container [2025-02-06 13:48:55,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:48:55" (3/3) ... [2025-02-06 13:48:55,857 INFO L128 eAbstractionObserver]: Analyzing ICFG ps4-ll.c [2025-02-06 13:48:55,866 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:48:55,868 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps4-ll.c that has 2 procedures, 137 locations, 1 initial locations, 1 loop locations, and 60 error locations. [2025-02-06 13:48:55,912 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:48:55,920 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;@2fc94c67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:48:55,920 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2025-02-06 13:48:55,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 72 states have (on average 1.875) internal successors, (135), 132 states have internal predecessors, (135), 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 13:48:55,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-06 13:48:55,925 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:48:55,925 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-06 13:48:55,926 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 13:48:55,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:48:55,929 INFO L85 PathProgramCache]: Analyzing trace with hash 4955167, now seen corresponding path program 1 times [2025-02-06 13:48:55,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:48:55,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502254237] [2025-02-06 13:48:55,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:55,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:48:55,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 13:48:55,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 13:48:55,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:55,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:48:56,047 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 13:48:56,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:48:56,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502254237] [2025-02-06 13:48:56,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502254237] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:48:56,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:48:56,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:48:56,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109182522] [2025-02-06 13:48:56,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:48:56,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:48:56,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:48:56,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:48:56,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:48:56,068 INFO L87 Difference]: Start difference. First operand has 137 states, 72 states have (on average 1.875) internal successors, (135), 132 states have internal predecessors, (135), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 13:48:56,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:48:56,226 INFO L93 Difference]: Finished difference Result 360 states and 417 transitions. [2025-02-06 13:48:56,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:48:56,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2025-02-06 13:48:56,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:48:56,235 INFO L225 Difference]: With dead ends: 360 [2025-02-06 13:48:56,235 INFO L226 Difference]: Without dead ends: 215 [2025-02-06 13:48:56,237 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 13:48:56,240 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 94 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:48:56,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 192 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:48:56,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-02-06 13:48:56,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 173. [2025-02-06 13:48:56,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 118 states have (on average 1.6864406779661016) internal successors, (199), 167 states have internal predecessors, (199), 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 13:48:56,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 207 transitions. [2025-02-06 13:48:56,279 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 207 transitions. Word has length 4 [2025-02-06 13:48:56,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:48:56,281 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 207 transitions. [2025-02-06 13:48:56,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 13:48:56,281 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 207 transitions. [2025-02-06 13:48:56,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-06 13:48:56,282 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:48:56,282 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:48:56,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 13:48:56,282 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:48:56,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:48:56,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1590585309, now seen corresponding path program 1 times [2025-02-06 13:48:56,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:48:56,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842207570] [2025-02-06 13:48:56,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:56,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:48:56,286 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 13:48:56,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 13:48:56,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:56,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:48:56,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [933984994] [2025-02-06 13:48:56,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:56,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:48:56,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:48:56,303 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 13:48:56,306 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 13:48:56,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 13:48:56,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 13:48:56,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:56,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:48:56,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:48:56,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:48:56,372 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 13:48:56,373 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:48:56,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:48:56,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842207570] [2025-02-06 13:48:56,374 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:48:56,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933984994] [2025-02-06 13:48:56,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933984994] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:48:56,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:48:56,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:48:56,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142248619] [2025-02-06 13:48:56,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:48:56,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:48:56,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:48:56,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:48:56,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:48:56,376 INFO L87 Difference]: Start difference. First operand 173 states and 207 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 13:48:56,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:48:56,599 INFO L93 Difference]: Finished difference Result 206 states and 215 transitions. [2025-02-06 13:48:56,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:48:56,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2025-02-06 13:48:56,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:48:56,601 INFO L225 Difference]: With dead ends: 206 [2025-02-06 13:48:56,601 INFO L226 Difference]: Without dead ends: 179 [2025-02-06 13:48:56,601 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 13:48:56,602 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 52 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:48:56,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 92 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:48:56,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2025-02-06 13:48:56,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 177. [2025-02-06 13:48:56,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 122 states have (on average 1.4754098360655739) internal successors, (180), 171 states have internal predecessors, (180), 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 13:48:56,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 188 transitions. [2025-02-06 13:48:56,609 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 188 transitions. Word has length 7 [2025-02-06 13:48:56,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:48:56,610 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 188 transitions. [2025-02-06 13:48:56,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 13:48:56,610 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 188 transitions. [2025-02-06 13:48:56,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-06 13:48:56,610 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:48:56,610 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:48:56,616 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 13:48:56,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:48:56,814 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:48:56,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:48:56,815 INFO L85 PathProgramCache]: Analyzing trace with hash -214340585, now seen corresponding path program 1 times [2025-02-06 13:48:56,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:48:56,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680661100] [2025-02-06 13:48:56,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:56,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:48:56,818 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 13:48:56,823 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 13:48:56,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:56,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:48:56,885 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 13:48:56,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:48:56,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680661100] [2025-02-06 13:48:56,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680661100] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:48:56,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:48:56,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:48:56,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455832666] [2025-02-06 13:48:56,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:48:56,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:48:56,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:48:56,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:48:56,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:48:56,887 INFO L87 Difference]: Start difference. First operand 177 states and 188 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 13:48:57,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:48:57,107 INFO L93 Difference]: Finished difference Result 194 states and 199 transitions. [2025-02-06 13:48:57,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:48:57,108 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2025-02-06 13:48:57,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:48:57,109 INFO L225 Difference]: With dead ends: 194 [2025-02-06 13:48:57,109 INFO L226 Difference]: Without dead ends: 160 [2025-02-06 13:48:57,109 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 13:48:57,109 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 64 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:48:57,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 167 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:48:57,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-02-06 13:48:57,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 149. [2025-02-06 13:48:57,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 95 states have (on average 1.5473684210526315) internal successors, (147), 144 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 13:48:57,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 153 transitions. [2025-02-06 13:48:57,116 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 153 transitions. Word has length 12 [2025-02-06 13:48:57,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:48:57,116 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 153 transitions. [2025-02-06 13:48:57,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 13:48:57,116 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 153 transitions. [2025-02-06 13:48:57,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-06 13:48:57,116 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:48:57,117 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] [2025-02-06 13:48:57,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 13:48:57,117 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:48:57,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:48:57,117 INFO L85 PathProgramCache]: Analyzing trace with hash -604723160, now seen corresponding path program 1 times [2025-02-06 13:48:57,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:48:57,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231500304] [2025-02-06 13:48:57,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:57,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:48:57,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 13:48:57,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 13:48:57,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:57,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:48:57,193 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 13:48:57,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:48:57,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231500304] [2025-02-06 13:48:57,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231500304] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:48:57,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:48:57,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:48:57,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021720895] [2025-02-06 13:48:57,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:48:57,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:48:57,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:48:57,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:48:57,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:48:57,199 INFO L87 Difference]: Start difference. First operand 149 states and 153 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 13:48:57,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:48:57,219 INFO L93 Difference]: Finished difference Result 151 states and 153 transitions. [2025-02-06 13:48:57,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:48:57,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 32 [2025-02-06 13:48:57,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:48:57,221 INFO L225 Difference]: With dead ends: 151 [2025-02-06 13:48:57,221 INFO L226 Difference]: Without dead ends: 149 [2025-02-06 13:48:57,221 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 13:48:57,221 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 1 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:48:57,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 232 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:48:57,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2025-02-06 13:48:57,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2025-02-06 13:48:57,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 95 states have (on average 1.5263157894736843) internal successors, (145), 144 states have internal predecessors, (145), 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 13:48:57,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 151 transitions. [2025-02-06 13:48:57,229 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 151 transitions. Word has length 32 [2025-02-06 13:48:57,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:48:57,230 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 151 transitions. [2025-02-06 13:48:57,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 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 13:48:57,230 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 151 transitions. [2025-02-06 13:48:57,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-02-06 13:48:57,230 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:48:57,230 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] [2025-02-06 13:48:57,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 13:48:57,231 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:48:57,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:48:57,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1906416835, now seen corresponding path program 1 times [2025-02-06 13:48:57,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:48:57,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591922389] [2025-02-06 13:48:57,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:57,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:48:57,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 13:48:57,250 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 13:48:57,250 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:57,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:48:57,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [556598432] [2025-02-06 13:48:57,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:57,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:48:57,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:48:57,253 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 13:48:57,257 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 13:48:57,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 13:48:57,285 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 13:48:57,285 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:57,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:48:57,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:48:57,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:48:57,336 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 13:48:57,336 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:48:57,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:48:57,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591922389] [2025-02-06 13:48:57,336 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:48:57,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556598432] [2025-02-06 13:48:57,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556598432] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:48:57,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:48:57,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:48:57,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027238673] [2025-02-06 13:48:57,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:48:57,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:48:57,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:48:57,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:48:57,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:48:57,337 INFO L87 Difference]: Start difference. First operand 149 states and 151 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (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 13:48:57,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:48:57,556 INFO L93 Difference]: Finished difference Result 245 states and 267 transitions. [2025-02-06 13:48:57,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:48:57,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (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 37 [2025-02-06 13:48:57,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:48:57,557 INFO L225 Difference]: With dead ends: 245 [2025-02-06 13:48:57,557 INFO L226 Difference]: Without dead ends: 219 [2025-02-06 13:48:57,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 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 13:48:57,558 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 66 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:48:57,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 103 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:48:57,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2025-02-06 13:48:57,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 211. [2025-02-06 13:48:57,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 155 states have (on average 1.4709677419354839) internal successors, (228), 204 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 13:48:57,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 238 transitions. [2025-02-06 13:48:57,572 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 238 transitions. Word has length 37 [2025-02-06 13:48:57,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:48:57,572 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 238 transitions. [2025-02-06 13:48:57,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (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 13:48:57,572 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 238 transitions. [2025-02-06 13:48:57,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-06 13:48:57,573 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:48:57,573 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] [2025-02-06 13:48:57,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 13:48:57,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:48:57,773 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:48:57,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:48:57,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1711413152, now seen corresponding path program 1 times [2025-02-06 13:48:57,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:48:57,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656108922] [2025-02-06 13:48:57,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:57,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:48:57,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 13:48:57,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 13:48:57,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:57,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:48:57,866 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 13:48:57,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:48:57,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656108922] [2025-02-06 13:48:57,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656108922] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:48:57,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:48:57,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:48:57,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032697602] [2025-02-06 13:48:57,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:48:57,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:48:57,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:48:57,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:48:57,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:48:57,867 INFO L87 Difference]: Start difference. First operand 211 states and 238 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 13:48:58,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:48:58,073 INFO L93 Difference]: Finished difference Result 212 states and 238 transitions. [2025-02-06 13:48:58,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:48:58,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 40 [2025-02-06 13:48:58,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:48:58,074 INFO L225 Difference]: With dead ends: 212 [2025-02-06 13:48:58,074 INFO L226 Difference]: Without dead ends: 211 [2025-02-06 13:48:58,074 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 13:48:58,075 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 30 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:48:58,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 190 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:48:58,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2025-02-06 13:48:58,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2025-02-06 13:48:58,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 155 states have (on average 1.4645161290322581) internal successors, (227), 204 states have internal predecessors, (227), 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 13:48:58,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 237 transitions. [2025-02-06 13:48:58,084 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 237 transitions. Word has length 40 [2025-02-06 13:48:58,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:48:58,084 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 237 transitions. [2025-02-06 13:48:58,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 13:48:58,084 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 237 transitions. [2025-02-06 13:48:58,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-06 13:48:58,085 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:48:58,085 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] [2025-02-06 13:48:58,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 13:48:58,085 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:48:58,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:48:58,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1514200191, now seen corresponding path program 1 times [2025-02-06 13:48:58,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:48:58,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985356238] [2025-02-06 13:48:58,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:58,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:48:58,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 13:48:58,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 13:48:58,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:58,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:48:58,186 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 13:48:58,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:48:58,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985356238] [2025-02-06 13:48:58,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985356238] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:48:58,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:48:58,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:48:58,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635764938] [2025-02-06 13:48:58,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:48:58,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:48:58,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:48:58,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:48:58,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:48:58,187 INFO L87 Difference]: Start difference. First operand 211 states and 237 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (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 13:48:58,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:48:58,259 INFO L93 Difference]: Finished difference Result 212 states and 237 transitions. [2025-02-06 13:48:58,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:48:58,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (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 41 [2025-02-06 13:48:58,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:48:58,261 INFO L225 Difference]: With dead ends: 212 [2025-02-06 13:48:58,261 INFO L226 Difference]: Without dead ends: 211 [2025-02-06 13:48:58,261 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 13:48:58,262 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 27 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:48:58,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 180 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:48:58,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2025-02-06 13:48:58,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2025-02-06 13:48:58,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 155 states have (on average 1.4580645161290322) internal successors, (226), 204 states have internal predecessors, (226), 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 13:48:58,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 236 transitions. [2025-02-06 13:48:58,267 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 236 transitions. Word has length 41 [2025-02-06 13:48:58,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:48:58,267 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 236 transitions. [2025-02-06 13:48:58,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (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 13:48:58,268 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 236 transitions. [2025-02-06 13:48:58,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 13:48:58,268 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:48:58,268 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] [2025-02-06 13:48:58,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 13:48:58,269 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:48:58,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:48:58,269 INFO L85 PathProgramCache]: Analyzing trace with hash -847526659, now seen corresponding path program 1 times [2025-02-06 13:48:58,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:48:58,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829671694] [2025-02-06 13:48:58,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:58,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:48:58,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 13:48:58,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 13:48:58,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:58,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:48:58,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1449622658] [2025-02-06 13:48:58,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:58,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:48:58,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:48:58,295 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:48:58,302 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 13:48:58,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 13:48:58,330 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 13:48:58,330 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:58,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:48:58,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:48:58,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:48:58,482 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 13:48:58,482 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:48:58,595 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 13:48:58,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:48:58,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829671694] [2025-02-06 13:48:58,595 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:48:58,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449622658] [2025-02-06 13:48:58,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449622658] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:48:58,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:48:58,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-02-06 13:48:58,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527042328] [2025-02-06 13:48:58,596 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:48:58,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:48:58,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:48:58,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:48:58,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:48:58,596 INFO L87 Difference]: Start difference. First operand 211 states and 236 transitions. Second operand has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 8 states have internal predecessors, (78), 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 13:48:59,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:48:59,050 INFO L93 Difference]: Finished difference Result 236 states and 250 transitions. [2025-02-06 13:48:59,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:48:59,050 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 8 states have internal predecessors, (78), 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 43 [2025-02-06 13:48:59,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:48:59,051 INFO L225 Difference]: With dead ends: 236 [2025-02-06 13:48:59,051 INFO L226 Difference]: Without dead ends: 223 [2025-02-06 13:48:59,051 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:48:59,052 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 315 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:48:59,052 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 84 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:48:59,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2025-02-06 13:48:59,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 212. [2025-02-06 13:48:59,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 159 states have (on average 1.3773584905660377) internal successors, (219), 205 states have internal predecessors, (219), 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 13:48:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 229 transitions. [2025-02-06 13:48:59,058 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 229 transitions. Word has length 43 [2025-02-06 13:48:59,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:48:59,058 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 229 transitions. [2025-02-06 13:48:59,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.142857142857142) internal successors, (78), 8 states have internal predecessors, (78), 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 13:48:59,058 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 229 transitions. [2025-02-06 13:48:59,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-06 13:48:59,059 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:48:59,059 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] [2025-02-06 13:48:59,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 13:48:59,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:48:59,263 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:48:59,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:48:59,263 INFO L85 PathProgramCache]: Analyzing trace with hash -719726859, now seen corresponding path program 1 times [2025-02-06 13:48:59,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:48:59,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612541930] [2025-02-06 13:48:59,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:59,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:48:59,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 13:48:59,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 13:48:59,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:59,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:48:59,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [451645263] [2025-02-06 13:48:59,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:59,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:48:59,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:48:59,282 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 13:48:59,287 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 13:48:59,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 13:48:59,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 13:48:59,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:59,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:48:59,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:48:59,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:48:59,474 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 13:48:59,475 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:48:59,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:48:59,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612541930] [2025-02-06 13:48:59,475 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:48:59,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451645263] [2025-02-06 13:48:59,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451645263] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:48:59,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:48:59,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:48:59,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45425402] [2025-02-06 13:48:59,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:48:59,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:48:59,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:48:59,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:48:59,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:48:59,476 INFO L87 Difference]: Start difference. First operand 212 states and 229 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 13:48:59,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:48:59,626 INFO L93 Difference]: Finished difference Result 212 states and 229 transitions. [2025-02-06 13:48:59,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:48:59,627 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 51 [2025-02-06 13:48:59,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:48:59,628 INFO L225 Difference]: With dead ends: 212 [2025-02-06 13:48:59,628 INFO L226 Difference]: Without dead ends: 163 [2025-02-06 13:48:59,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:48:59,628 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 144 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:48:59,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 41 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:48:59,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2025-02-06 13:48:59,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 156. [2025-02-06 13:48:59,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 131 states have (on average 1.183206106870229) internal successors, (155), 150 states have internal predecessors, (155), 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 13:48:59,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 163 transitions. [2025-02-06 13:48:59,633 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 163 transitions. Word has length 51 [2025-02-06 13:48:59,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:48:59,634 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 163 transitions. [2025-02-06 13:48:59,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 13:48:59,634 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 163 transitions. [2025-02-06 13:48:59,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-06 13:48:59,634 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:48:59,635 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] [2025-02-06 13:48:59,641 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 13:48:59,836 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,SelfDestructingSolverStorable8 [2025-02-06 13:48:59,837 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:48:59,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:48:59,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1344337875, now seen corresponding path program 1 times [2025-02-06 13:48:59,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:48:59,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250239251] [2025-02-06 13:48:59,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:59,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:48:59,849 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-06 13:48:59,866 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-06 13:48:59,866 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:59,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:48:59,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2040128517] [2025-02-06 13:48:59,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:59,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:48:59,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:48:59,872 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 13:48:59,874 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 13:48:59,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-06 13:48:59,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-06 13:48:59,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:59,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:48:59,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:48:59,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:49:00,059 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 13:49:00,059 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:49:00,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:00,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250239251] [2025-02-06 13:49:00,244 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:49:00,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040128517] [2025-02-06 13:49:00,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040128517] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:49:00,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:49:00,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 13:49:00,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469520735] [2025-02-06 13:49:00,244 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:49:00,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:49:00,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:00,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:49:00,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:49:00,245 INFO L87 Difference]: Start difference. First operand 156 states and 163 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 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 13:49:00,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:00,379 INFO L93 Difference]: Finished difference Result 156 states and 163 transitions. [2025-02-06 13:49:00,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:49:00,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 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 71 [2025-02-06 13:49:00,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:00,380 INFO L225 Difference]: With dead ends: 156 [2025-02-06 13:49:00,380 INFO L226 Difference]: Without dead ends: 154 [2025-02-06 13:49:00,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:49:00,380 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 74 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:00,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 41 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:49:00,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2025-02-06 13:49:00,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2025-02-06 13:49:00,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 131 states have (on average 1.1603053435114503) internal successors, (152), 148 states have internal predecessors, (152), 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 13:49:00,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 160 transitions. [2025-02-06 13:49:00,387 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 160 transitions. Word has length 71 [2025-02-06 13:49:00,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:00,387 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 160 transitions. [2025-02-06 13:49:00,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 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 13:49:00,388 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 160 transitions. [2025-02-06 13:49:00,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-06 13:49:00,390 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:00,391 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] [2025-02-06 13:49:00,396 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 13:49:00,595 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,SelfDestructingSolverStorable9 [2025-02-06 13:49:00,595 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:49:00,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:00,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1275198808, now seen corresponding path program 1 times [2025-02-06 13:49:00,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:00,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24575815] [2025-02-06 13:49:00,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:00,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:00,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 13:49:00,606 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 13:49:00,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:00,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:49:00,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1912119152] [2025-02-06 13:49:00,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:00,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:00,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:49:00,609 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 13:49:00,611 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 13:49:00,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 13:49:00,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 13:49:00,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:00,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:00,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:49:00,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:49:00,809 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 13:49:00,809 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:49:00,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:00,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24575815] [2025-02-06 13:49:00,872 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:49:00,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912119152] [2025-02-06 13:49:00,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912119152] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:49:00,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:49:00,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 13:49:00,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520042400] [2025-02-06 13:49:00,872 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:49:00,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:49:00,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:00,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:49:00,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:49:00,873 INFO L87 Difference]: Start difference. First operand 154 states and 160 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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 13:49:01,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:01,063 INFO L93 Difference]: Finished difference Result 159 states and 163 transitions. [2025-02-06 13:49:01,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:49:01,064 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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 72 [2025-02-06 13:49:01,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:01,064 INFO L225 Difference]: With dead ends: 159 [2025-02-06 13:49:01,064 INFO L226 Difference]: Without dead ends: 155 [2025-02-06 13:49:01,065 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:49:01,065 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 6 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:01,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 105 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:49:01,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2025-02-06 13:49:01,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2025-02-06 13:49:01,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 132 states have (on average 1.143939393939394) internal successors, (151), 149 states have internal predecessors, (151), 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 13:49:01,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 159 transitions. [2025-02-06 13:49:01,076 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 159 transitions. Word has length 72 [2025-02-06 13:49:01,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:01,076 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 159 transitions. [2025-02-06 13:49:01,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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 13:49:01,076 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 159 transitions. [2025-02-06 13:49:01,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-02-06 13:49:01,077 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:01,077 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] [2025-02-06 13:49:01,083 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 13:49:01,277 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,SelfDestructingSolverStorable10 [2025-02-06 13:49:01,278 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:49:01,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:01,278 INFO L85 PathProgramCache]: Analyzing trace with hash -461931249, now seen corresponding path program 1 times [2025-02-06 13:49:01,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:01,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032932393] [2025-02-06 13:49:01,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:01,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:01,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-06 13:49:01,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-06 13:49:01,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:01,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:49:01,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [247428028] [2025-02-06 13:49:01,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:01,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:01,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:49:01,307 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 13:49:01,308 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 13:49:01,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-06 13:49:01,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-06 13:49:01,339 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:01,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:01,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:49:01,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:49:01,528 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 13:49:01,528 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:49:01,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:01,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032932393] [2025-02-06 13:49:01,636 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:49:01,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247428028] [2025-02-06 13:49:01,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247428028] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:49:01,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:49:01,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 13:49:01,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981723735] [2025-02-06 13:49:01,637 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:49:01,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:49:01,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:01,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:49:01,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:49:01,638 INFO L87 Difference]: Start difference. First operand 155 states and 159 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 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 13:49:01,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:01,806 INFO L93 Difference]: Finished difference Result 158 states and 161 transitions. [2025-02-06 13:49:01,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:49:01,806 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 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 75 [2025-02-06 13:49:01,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:01,807 INFO L225 Difference]: With dead ends: 158 [2025-02-06 13:49:01,807 INFO L226 Difference]: Without dead ends: 152 [2025-02-06 13:49:01,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 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 13:49:01,808 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 6 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:01,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 112 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:49:01,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2025-02-06 13:49:01,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 150. [2025-02-06 13:49:01,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 127 states have (on average 1.141732283464567) internal successors, (145), 144 states have internal predecessors, (145), 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 13:49:01,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 153 transitions. [2025-02-06 13:49:01,813 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 153 transitions. Word has length 75 [2025-02-06 13:49:01,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:01,813 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 153 transitions. [2025-02-06 13:49:01,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 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 13:49:01,813 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 153 transitions. [2025-02-06 13:49:01,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-02-06 13:49:01,814 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:01,814 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] [2025-02-06 13:49:01,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-06 13:49:02,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:02,015 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:49:02,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:02,015 INFO L85 PathProgramCache]: Analyzing trace with hash 44205989, now seen corresponding path program 1 times [2025-02-06 13:49:02,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:02,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414201679] [2025-02-06 13:49:02,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:02,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:02,021 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-06 13:49:02,029 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-06 13:49:02,030 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:02,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:49:02,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [232732767] [2025-02-06 13:49:02,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:02,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:02,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:49:02,033 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 13:49:02,038 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 13:49:02,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-06 13:49:02,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-06 13:49:02,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:02,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:02,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:49:02,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:49:02,135 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 13:49:02,135 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:49:02,256 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 13:49:02,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:02,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414201679] [2025-02-06 13:49:02,256 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:49:02,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232732767] [2025-02-06 13:49:02,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232732767] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:49:02,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:49:02,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-02-06 13:49:02,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988937009] [2025-02-06 13:49:02,257 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:49:02,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:49:02,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:02,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:49:02,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:49:02,258 INFO L87 Difference]: Start difference. First operand 150 states and 153 transitions. Second operand has 8 states, 7 states have (on average 19.142857142857142) internal successors, (134), 8 states have internal predecessors, (134), 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 13:49:02,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:02,491 INFO L93 Difference]: Finished difference Result 226 states and 245 transitions. [2025-02-06 13:49:02,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:49:02,492 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.142857142857142) internal successors, (134), 8 states have internal predecessors, (134), 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 76 [2025-02-06 13:49:02,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:02,493 INFO L225 Difference]: With dead ends: 226 [2025-02-06 13:49:02,493 INFO L226 Difference]: Without dead ends: 221 [2025-02-06 13:49:02,494 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 144 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 13:49:02,494 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 264 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:02,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 123 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:49:02,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-02-06 13:49:02,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 165. [2025-02-06 13:49:02,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 144 states have (on average 1.125) internal successors, (162), 159 states have internal predecessors, (162), 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 13:49:02,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 170 transitions. [2025-02-06 13:49:02,499 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 170 transitions. Word has length 76 [2025-02-06 13:49:02,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:02,500 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 170 transitions. [2025-02-06 13:49:02,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.142857142857142) internal successors, (134), 8 states have internal predecessors, (134), 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 13:49:02,500 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 170 transitions. [2025-02-06 13:49:02,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-06 13:49:02,501 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:02,501 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] [2025-02-06 13:49:02,509 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 13:49:02,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:02,705 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:49:02,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:02,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1496155745, now seen corresponding path program 1 times [2025-02-06 13:49:02,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:02,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147316532] [2025-02-06 13:49:02,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:02,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:02,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-06 13:49:02,725 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-06 13:49:02,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:02,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:49:02,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2089638667] [2025-02-06 13:49:02,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:02,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:02,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:49:02,729 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 13:49:02,732 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 13:49:02,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-06 13:49:02,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-06 13:49:02,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:02,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:02,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 13:49:02,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:49:02,912 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:49:02,912 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:49:03,218 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:49:03,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:03,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147316532] [2025-02-06 13:49:03,219 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:49:03,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089638667] [2025-02-06 13:49:03,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089638667] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:49:03,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:49:03,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2025-02-06 13:49:03,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832191580] [2025-02-06 13:49:03,219 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:49:03,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:49:03,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:03,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:49:03,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:49:03,220 INFO L87 Difference]: Start difference. First operand 165 states and 170 transitions. Second operand has 11 states, 10 states have (on average 14.2) internal successors, (142), 11 states have internal predecessors, (142), 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 13:49:07,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:49:11,634 WARN L539 Checker$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 13:49:15,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:49:16,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:16,510 INFO L93 Difference]: Finished difference Result 224 states and 244 transitions. [2025-02-06 13:49:16,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 13:49:16,510 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 14.2) internal successors, (142), 11 states have internal predecessors, (142), 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 80 [2025-02-06 13:49:16,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:16,511 INFO L225 Difference]: With dead ends: 224 [2025-02-06 13:49:16,511 INFO L226 Difference]: Without dead ends: 223 [2025-02-06 13:49:16,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:49:16,511 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 166 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 15 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:16,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 117 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 640 Invalid, 3 Unknown, 0 Unchecked, 13.2s Time] [2025-02-06 13:49:16,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2025-02-06 13:49:16,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 164. [2025-02-06 13:49:16,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 144 states have (on average 1.1111111111111112) internal successors, (160), 158 states have internal predecessors, (160), 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 13:49:16,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 168 transitions. [2025-02-06 13:49:16,517 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 168 transitions. Word has length 80 [2025-02-06 13:49:16,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:16,517 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 168 transitions. [2025-02-06 13:49:16,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 14.2) internal successors, (142), 11 states have internal predecessors, (142), 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 13:49:16,517 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 168 transitions. [2025-02-06 13:49:16,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-02-06 13:49:16,517 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:16,518 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] [2025-02-06 13:49:16,523 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 13:49:16,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:16,718 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:49:16,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:16,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1194701345, now seen corresponding path program 1 times [2025-02-06 13:49:16,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:16,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224690621] [2025-02-06 13:49:16,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:16,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:16,726 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-02-06 13:49:16,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-02-06 13:49:16,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:16,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:49:16,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [583805180] [2025-02-06 13:49:16,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:16,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:16,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:49:16,743 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 13:49:16,744 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 13:49:16,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-02-06 13:49:16,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-02-06 13:49:16,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:16,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:16,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 13:49:16,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:49:16,930 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 13:49:16,930 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:49:17,089 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 13:49:17,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:17,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224690621] [2025-02-06 13:49:17,089 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:49:17,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583805180] [2025-02-06 13:49:17,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583805180] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:49:17,090 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:49:17,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-02-06 13:49:17,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893977167] [2025-02-06 13:49:17,090 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:49:17,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 13:49:17,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:17,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 13:49:17,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:49:17,091 INFO L87 Difference]: Start difference. First operand 164 states and 168 transitions. Second operand has 12 states, 11 states have (on average 13.454545454545455) internal successors, (148), 12 states have internal predecessors, (148), 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 13:49:17,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:17,642 INFO L93 Difference]: Finished difference Result 293 states and 322 transitions. [2025-02-06 13:49:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 13:49:17,642 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 13.454545454545455) internal successors, (148), 12 states have internal predecessors, (148), 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 83 [2025-02-06 13:49:17,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:17,643 INFO L225 Difference]: With dead ends: 293 [2025-02-06 13:49:17,643 INFO L226 Difference]: Without dead ends: 215 [2025-02-06 13:49:17,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 154 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 13:49:17,644 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 345 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:17,644 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 153 Invalid, 874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:49:17,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2025-02-06 13:49:17,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 198. [2025-02-06 13:49:17,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 184 states have (on average 1.0815217391304348) internal successors, (199), 191 states have internal predecessors, (199), 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 13:49:17,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 209 transitions. [2025-02-06 13:49:17,650 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 209 transitions. Word has length 83 [2025-02-06 13:49:17,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:17,650 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 209 transitions. [2025-02-06 13:49:17,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 13.454545454545455) internal successors, (148), 12 states have internal predecessors, (148), 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 13:49:17,650 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 209 transitions. [2025-02-06 13:49:17,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-02-06 13:49:17,651 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:17,651 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:49:17,657 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 13:49:17,855 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,SelfDestructingSolverStorable14 [2025-02-06 13:49:17,855 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:49:17,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:17,855 INFO L85 PathProgramCache]: Analyzing trace with hash -329999226, now seen corresponding path program 2 times [2025-02-06 13:49:17,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:17,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124167003] [2025-02-06 13:49:17,855 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:49:17,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:17,860 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes. [2025-02-06 13:49:17,868 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 111 of 111 statements. [2025-02-06 13:49:17,870 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:49:17,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:49:17,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [188005490] [2025-02-06 13:49:17,871 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:49:17,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:17,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:49:17,873 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 13:49:17,875 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 13:49:17,894 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes. [2025-02-06 13:49:17,901 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 33 of 111 statements. [2025-02-06 13:49:17,901 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 13:49:17,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:17,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:49:17,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:49:18,150 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-02-06 13:49:18,150 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:49:18,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:18,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124167003] [2025-02-06 13:49:18,150 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:49:18,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188005490] [2025-02-06 13:49:18,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188005490] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:49:18,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:49:18,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:49:18,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268800045] [2025-02-06 13:49:18,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:49:18,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:49:18,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:18,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:49:18,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:49:18,152 INFO L87 Difference]: Start difference. First operand 198 states and 209 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 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 13:49:18,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:18,196 INFO L93 Difference]: Finished difference Result 198 states and 209 transitions. [2025-02-06 13:49:18,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:49:18,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 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 111 [2025-02-06 13:49:18,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:18,197 INFO L225 Difference]: With dead ends: 198 [2025-02-06 13:49:18,197 INFO L226 Difference]: Without dead ends: 189 [2025-02-06 13:49:18,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 108 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 13:49:18,198 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 26 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:18,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 32 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:49:18,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2025-02-06 13:49:18,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2025-02-06 13:49:18,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 178 states have (on average 1.0561797752808988) internal successors, (188), 182 states have internal predecessors, (188), 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 13:49:18,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 198 transitions. [2025-02-06 13:49:18,204 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 198 transitions. Word has length 111 [2025-02-06 13:49:18,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:18,204 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 198 transitions. [2025-02-06 13:49:18,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 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 13:49:18,205 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 198 transitions. [2025-02-06 13:49:18,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-02-06 13:49:18,205 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:18,205 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-02-06 13:49:18,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-06 13:49:18,405 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,SelfDestructingSolverStorable15 [2025-02-06 13:49:18,406 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:49:18,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:18,407 INFO L85 PathProgramCache]: Analyzing trace with hash -329997625, now seen corresponding path program 1 times [2025-02-06 13:49:18,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:18,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907577723] [2025-02-06 13:49:18,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:18,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:18,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-02-06 13:49:18,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-02-06 13:49:18,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:18,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:18,503 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2025-02-06 13:49:18,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:18,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907577723] [2025-02-06 13:49:18,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907577723] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:49:18,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446807632] [2025-02-06 13:49:18,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:18,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:18,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:49:18,505 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 13:49:18,506 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 13:49:18,524 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-02-06 13:49:18,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-02-06 13:49:18,538 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:18,538 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:18,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:49:18,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:49:18,642 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:49:18,642 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:49:18,737 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:49:18,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446807632] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:49:18,737 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:49:18,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2025-02-06 13:49:18,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114303166] [2025-02-06 13:49:18,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:49:18,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:49:18,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:18,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:49:18,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:49:18,739 INFO L87 Difference]: Start difference. First operand 189 states and 198 transitions. Second operand has 10 states, 9 states have (on average 25.77777777777778) internal successors, (232), 10 states have internal predecessors, (232), 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 13:49:18,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:18,782 INFO L93 Difference]: Finished difference Result 191 states and 198 transitions. [2025-02-06 13:49:18,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:49:18,782 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 25.77777777777778) internal successors, (232), 10 states have internal predecessors, (232), 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) Word has length 111 [2025-02-06 13:49:18,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:18,784 INFO L225 Difference]: With dead ends: 191 [2025-02-06 13:49:18,784 INFO L226 Difference]: Without dead ends: 190 [2025-02-06 13:49:18,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=88, Invalid=122, Unknown=0, NotChecked=0, Total=210 [2025-02-06 13:49:18,785 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 61 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:18,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 194 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:49:18,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2025-02-06 13:49:18,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 188. [2025-02-06 13:49:18,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 178 states have (on average 1.0393258426966292) internal successors, (185), 181 states have internal predecessors, (185), 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 13:49:18,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 195 transitions. [2025-02-06 13:49:18,794 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 195 transitions. Word has length 111 [2025-02-06 13:49:18,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:18,794 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 195 transitions. [2025-02-06 13:49:18,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 25.77777777777778) internal successors, (232), 10 states have internal predecessors, (232), 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 13:49:18,794 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 195 transitions. [2025-02-06 13:49:18,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-02-06 13:49:18,795 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:18,795 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2025-02-06 13:49:18,805 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 13:49:18,995 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,SelfDestructingSolverStorable16 [2025-02-06 13:49:18,995 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:49:18,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:18,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1471142979, now seen corresponding path program 1 times [2025-02-06 13:49:18,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:18,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059619345] [2025-02-06 13:49:18,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:18,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:19,000 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-02-06 13:49:19,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-02-06 13:49:19,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:19,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:19,048 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2025-02-06 13:49:19,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:19,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059619345] [2025-02-06 13:49:19,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059619345] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:49:19,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:49:19,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:49:19,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143969907] [2025-02-06 13:49:19,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:49:19,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:49:19,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:19,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:49:19,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:49:19,049 INFO L87 Difference]: Start difference. First operand 188 states and 195 transitions. Second operand has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 13:49:19,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:19,098 INFO L93 Difference]: Finished difference Result 188 states and 195 transitions. [2025-02-06 13:49:19,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:49:19,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 126 [2025-02-06 13:49:19,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:19,099 INFO L225 Difference]: With dead ends: 188 [2025-02-06 13:49:19,099 INFO L226 Difference]: Without dead ends: 187 [2025-02-06 13:49:19,100 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 13:49:19,100 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 22 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:19,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 24 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:49:19,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2025-02-06 13:49:19,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2025-02-06 13:49:19,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 178 states have (on average 1.0280898876404494) internal successors, (183), 180 states have internal predecessors, (183), 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 13:49:19,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 193 transitions. [2025-02-06 13:49:19,106 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 193 transitions. Word has length 126 [2025-02-06 13:49:19,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:19,107 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 193 transitions. [2025-02-06 13:49:19,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 13:49:19,107 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 193 transitions. [2025-02-06 13:49:19,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-02-06 13:49:19,107 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:19,107 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2025-02-06 13:49:19,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-06 13:49:19,108 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:49:19,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:19,108 INFO L85 PathProgramCache]: Analyzing trace with hash -724159749, now seen corresponding path program 1 times [2025-02-06 13:49:19,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:19,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890785590] [2025-02-06 13:49:19,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:19,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:19,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-02-06 13:49:19,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-02-06 13:49:19,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:19,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:49:19,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1868456930] [2025-02-06 13:49:19,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:19,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:19,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:49:19,125 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 13:49:19,127 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 13:49:19,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-02-06 13:49:19,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-02-06 13:49:19,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:19,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:19,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:49:19,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:49:19,272 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:49:19,272 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:49:19,495 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:49:19,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:19,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890785590] [2025-02-06 13:49:19,495 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:49:19,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868456930] [2025-02-06 13:49:19,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868456930] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:49:19,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:49:19,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-06 13:49:19,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388164179] [2025-02-06 13:49:19,496 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:49:19,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:49:19,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:19,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:49:19,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:49:19,497 INFO L87 Difference]: Start difference. First operand 187 states and 193 transitions. Second operand has 10 states, 9 states have (on average 25.333333333333332) internal successors, (228), 10 states have internal predecessors, (228), 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 13:49:19,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:19,907 INFO L93 Difference]: Finished difference Result 303 states and 317 transitions. [2025-02-06 13:49:19,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:49:19,908 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 25.333333333333332) internal successors, (228), 10 states have internal predecessors, (228), 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) Word has length 128 [2025-02-06 13:49:19,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:19,909 INFO L225 Difference]: With dead ends: 303 [2025-02-06 13:49:19,909 INFO L226 Difference]: Without dead ends: 301 [2025-02-06 13:49:19,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:49:19,910 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 107 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:19,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 178 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:49:19,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2025-02-06 13:49:19,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 298. [2025-02-06 13:49:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 286 states have (on average 1.020979020979021) internal successors, (292), 288 states have internal predecessors, (292), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 13:49:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 308 transitions. [2025-02-06 13:49:19,941 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 308 transitions. Word has length 128 [2025-02-06 13:49:19,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:19,941 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 308 transitions. [2025-02-06 13:49:19,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 25.333333333333332) internal successors, (228), 10 states have internal predecessors, (228), 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 13:49:19,942 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 308 transitions. [2025-02-06 13:49:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2025-02-06 13:49:19,942 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:19,943 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1] [2025-02-06 13:49:19,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-06 13:49:20,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:20,147 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:49:20,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:20,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1357435007, now seen corresponding path program 2 times [2025-02-06 13:49:20,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:20,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171938097] [2025-02-06 13:49:20,148 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:49:20,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:20,154 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 200 statements into 2 equivalence classes. [2025-02-06 13:49:20,165 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 200 of 200 statements. [2025-02-06 13:49:20,165 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:49:20,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:49:20,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1536744353] [2025-02-06 13:49:20,166 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:49:20,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:20,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:49:20,168 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:49:20,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-06 13:49:20,190 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 200 statements into 2 equivalence classes. [2025-02-06 13:49:20,217 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 200 of 200 statements. [2025-02-06 13:49:20,218 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:49:20,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:20,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-06 13:49:20,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:49:20,657 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:49:20,657 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:49:21,115 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:49:21,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:21,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171938097] [2025-02-06 13:49:21,115 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:49:21,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536744353] [2025-02-06 13:49:21,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536744353] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:49:21,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:49:21,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2025-02-06 13:49:21,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261361937] [2025-02-06 13:49:21,115 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:49:21,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-06 13:49:21,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:21,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-06 13:49:21,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2025-02-06 13:49:21,117 INFO L87 Difference]: Start difference. First operand 298 states and 308 transitions. Second operand has 24 states, 23 states have (on average 15.304347826086957) internal successors, (352), 24 states have internal predecessors, (352), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 13:49:22,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:22,346 INFO L93 Difference]: Finished difference Result 398 states and 418 transitions. [2025-02-06 13:49:22,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-02-06 13:49:22,347 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 15.304347826086957) internal successors, (352), 24 states have internal predecessors, (352), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 200 [2025-02-06 13:49:22,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:22,348 INFO L225 Difference]: With dead ends: 398 [2025-02-06 13:49:22,349 INFO L226 Difference]: Without dead ends: 397 [2025-02-06 13:49:22,349 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=369, Invalid=753, Unknown=0, NotChecked=0, Total=1122 [2025-02-06 13:49:22,350 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 264 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 2320 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 2336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:22,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 425 Invalid, 2336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 2320 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-06 13:49:22,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2025-02-06 13:49:22,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2025-02-06 13:49:22,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 382 states have (on average 1.0209424083769634) internal successors, (390), 384 states have internal predecessors, (390), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-06 13:49:22,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 412 transitions. [2025-02-06 13:49:22,371 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 412 transitions. Word has length 200 [2025-02-06 13:49:22,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:22,371 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 412 transitions. [2025-02-06 13:49:22,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 15.304347826086957) internal successors, (352), 24 states have internal predecessors, (352), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 13:49:22,372 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 412 transitions. [2025-02-06 13:49:22,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2025-02-06 13:49:22,373 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:22,373 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 1, 1, 1] [2025-02-06 13:49:22,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-06 13:49:22,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:22,578 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:49:22,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:22,579 INFO L85 PathProgramCache]: Analyzing trace with hash 961322435, now seen corresponding path program 1 times [2025-02-06 13:49:22,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:22,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53398319] [2025-02-06 13:49:22,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:22,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:22,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 312 statements into 1 equivalence classes. [2025-02-06 13:49:22,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 312 of 312 statements. [2025-02-06 13:49:22,609 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:22,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:49:22,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [613799960] [2025-02-06 13:49:22,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:49:22,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:22,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:49:22,613 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:49:22,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-06 13:49:22,637 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 312 statements into 1 equivalence classes. [2025-02-06 13:49:22,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 312 of 312 statements. [2025-02-06 13:49:22,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:49:22,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:22,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:49:22,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:49:22,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 0 proven. 966 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:49:22,952 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:49:23,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:23,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53398319] [2025-02-06 13:49:23,005 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:49:23,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613799960] [2025-02-06 13:49:23,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613799960] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:49:23,005 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:49:23,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-06 13:49:23,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389624905] [2025-02-06 13:49:23,006 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:49:23,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:49:23,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:23,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:49:23,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:49:23,007 INFO L87 Difference]: Start difference. First operand 397 states and 412 transitions. Second operand has 11 states, 10 states have (on average 27.5) internal successors, (275), 11 states have internal predecessors, (275), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 13:49:23,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:23,230 INFO L93 Difference]: Finished difference Result 398 states and 412 transitions. [2025-02-06 13:49:23,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 13:49:23,230 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.5) internal successors, (275), 11 states have internal predecessors, (275), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 312 [2025-02-06 13:49:23,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:23,232 INFO L225 Difference]: With dead ends: 398 [2025-02-06 13:49:23,232 INFO L226 Difference]: Without dead ends: 397 [2025-02-06 13:49:23,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:49:23,232 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 30 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:23,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 94 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:49:23,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2025-02-06 13:49:23,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2025-02-06 13:49:23,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 382 states have (on average 1.0183246073298429) internal successors, (389), 384 states have internal predecessors, (389), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-06 13:49:23,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 411 transitions. [2025-02-06 13:49:23,245 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 411 transitions. Word has length 312 [2025-02-06 13:49:23,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:23,245 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 411 transitions. [2025-02-06 13:49:23,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.5) internal successors, (275), 11 states have internal predecessors, (275), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 13:49:23,246 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 411 transitions. [2025-02-06 13:49:23,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2025-02-06 13:49:23,247 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:23,247 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1] [2025-02-06 13:49:23,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-02-06 13:49:23,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:23,451 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:49:23,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:23,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1718061479, now seen corresponding path program 2 times [2025-02-06 13:49:23,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:23,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105836282] [2025-02-06 13:49:23,452 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:49:23,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:23,465 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 323 statements into 2 equivalence classes. [2025-02-06 13:49:23,493 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 323 of 323 statements. [2025-02-06 13:49:23,493 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:49:23,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:49:23,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2001326123] [2025-02-06 13:49:23,496 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:49:23,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:23,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:49:23,498 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:49:23,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-06 13:49:23,524 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 323 statements into 2 equivalence classes. [2025-02-06 13:49:23,568 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 323 of 323 statements. [2025-02-06 13:49:23,568 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:49:23,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:23,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-06 13:49:23,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:49:23,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 0 proven. 1052 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:49:23,843 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:49:24,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 0 proven. 1052 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:49:24,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:49:24,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105836282] [2025-02-06 13:49:24,527 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:49:24,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001326123] [2025-02-06 13:49:24,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001326123] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:49:24,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:49:24,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-02-06 13:49:24,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084921089] [2025-02-06 13:49:24,527 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:49:24,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-06 13:49:24,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:49:24,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-06 13:49:24,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2025-02-06 13:49:24,528 INFO L87 Difference]: Start difference. First operand 397 states and 411 transitions. Second operand has 20 states, 19 states have (on average 29.894736842105264) internal successors, (568), 20 states have internal predecessors, (568), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-06 13:49:26,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:49:26,095 INFO L93 Difference]: Finished difference Result 657 states and 691 transitions. [2025-02-06 13:49:26,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-06 13:49:26,095 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 29.894736842105264) internal successors, (568), 20 states have internal predecessors, (568), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Word has length 323 [2025-02-06 13:49:26,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:49:26,097 INFO L225 Difference]: With dead ends: 657 [2025-02-06 13:49:26,097 INFO L226 Difference]: Without dead ends: 655 [2025-02-06 13:49:26,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 626 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=278, Invalid=478, Unknown=0, NotChecked=0, Total=756 [2025-02-06 13:49:26,098 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 243 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 2567 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 2587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:49:26,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 759 Invalid, 2587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 2567 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-06 13:49:26,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2025-02-06 13:49:26,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 648. [2025-02-06 13:49:26,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 648 states, 626 states have (on average 1.0159744408945688) internal successors, (636), 628 states have internal predecessors, (636), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 13:49:26,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 672 transitions. [2025-02-06 13:49:26,127 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 672 transitions. Word has length 323 [2025-02-06 13:49:26,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:49:26,127 INFO L471 AbstractCegarLoop]: Abstraction has 648 states and 672 transitions. [2025-02-06 13:49:26,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 29.894736842105264) internal successors, (568), 20 states have internal predecessors, (568), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-06 13:49:26,128 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 672 transitions. [2025-02-06 13:49:26,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2025-02-06 13:49:26,130 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:49:26,130 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1] [2025-02-06 13:49:26,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-02-06 13:49:26,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:26,331 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2025-02-06 13:49:26,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:49:26,331 INFO L85 PathProgramCache]: Analyzing trace with hash -220420543, now seen corresponding path program 3 times [2025-02-06 13:49:26,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:49:26,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213097162] [2025-02-06 13:49:26,331 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:49:26,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:49:26,342 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 434 statements into 12 equivalence classes. [2025-02-06 13:49:26,389 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 434 of 434 statements. [2025-02-06 13:49:26,389 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-02-06 13:49:26,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:49:26,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1220035927] [2025-02-06 13:49:26,391 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:49:26,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:49:26,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:49:26,394 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:49:26,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-06 13:49:26,425 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 434 statements into 12 equivalence classes. [2025-02-06 13:49:28,532 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 434 of 434 statements. [2025-02-06 13:49:28,532 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-02-06 13:49:28,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:49:28,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 67 conjuncts are in the unsatisfiable core [2025-02-06 13:49:28,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:49:29,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2178 backedges. 90 proven. 1958 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-02-06 13:49:29,347 INFO L312 TraceCheckSpWp]: Computing backward predicates...