./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/egcd2-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/egcd2-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 ed6536c9cb0e4b2be9a327fc4a25c6bfba6e98b1dfb78e314dd25bca8cbdb087 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:46:31,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:46:32,051 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 13:46:32,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:46:32,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:46:32,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:46:32,068 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:46:32,069 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:46:32,069 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:46:32,069 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:46:32,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:46:32,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:46:32,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:46:32,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:46:32,069 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:46:32,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:46:32,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:46:32,070 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:46:32,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:46:32,070 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:46:32,070 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:46:32,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:46:32,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:46:32,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:46:32,070 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:46:32,071 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:46:32,071 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:46:32,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:46:32,071 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:46:32,071 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:46:32,071 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:46:32,071 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:46:32,071 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:46:32,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:46:32,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:46:32,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:46:32,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:46:32,071 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:46:32,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:46:32,072 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:46:32,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:46:32,072 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:46:32,072 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:46:32,072 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:46:32,072 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:46:32,072 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 -> ed6536c9cb0e4b2be9a327fc4a25c6bfba6e98b1dfb78e314dd25bca8cbdb087 [2025-02-06 13:46:32,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:46:32,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:46:32,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:46:32,267 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:46:32,267 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:46:32,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/egcd2-ll.c [2025-02-06 13:46:33,498 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/54abfd13b/2a68f8636bb84c25b5aaf6e16e60a3c2/FLAG42b370374 [2025-02-06 13:46:33,787 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:46:33,787 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench/egcd2-ll.c [2025-02-06 13:46:33,813 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/54abfd13b/2a68f8636bb84c25b5aaf6e16e60a3c2/FLAG42b370374 [2025-02-06 13:46:34,093 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/54abfd13b/2a68f8636bb84c25b5aaf6e16e60a3c2 [2025-02-06 13:46:34,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:46:34,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:46:34,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:46:34,100 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:46:34,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:46:34,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:46:34" (1/1) ... [2025-02-06 13:46:34,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:46:34, skipping insertion in model container [2025-02-06 13:46:34,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:46:34" (1/1) ... [2025-02-06 13:46:34,119 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:46:34,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:46:34,252 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:46:34,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:46:34,284 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:46:34,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:46:34 WrapperNode [2025-02-06 13:46:34,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:46:34,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:46:34,285 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:46:34,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:46:34,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:46:34" (1/1) ... [2025-02-06 13:46:34,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:46:34" (1/1) ... [2025-02-06 13:46:34,314 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 141 [2025-02-06 13:46:34,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:46:34,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:46:34,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:46:34,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:46:34,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:46:34" (1/1) ... [2025-02-06 13:46:34,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:46:34" (1/1) ... [2025-02-06 13:46:34,322 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:46:34" (1/1) ... [2025-02-06 13:46:34,328 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 13:46:34,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:46:34" (1/1) ... [2025-02-06 13:46:34,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:46:34" (1/1) ... [2025-02-06 13:46:34,330 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:46:34" (1/1) ... [2025-02-06 13:46:34,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:46:34" (1/1) ... [2025-02-06 13:46:34,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:46:34" (1/1) ... [2025-02-06 13:46:34,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:46:34" (1/1) ... [2025-02-06 13:46:34,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:46:34,333 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:46:34,333 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:46:34,333 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:46:34,334 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:46:34" (1/1) ... [2025-02-06 13:46:34,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:46:34,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:34,358 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 13:46:34,360 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 13:46:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 13:46:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 13:46:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 13:46:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 13:46:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:46:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:46:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 13:46:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 13:46:34,411 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:46:34,413 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:46:34,799 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2025-02-06 13:46:34,799 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:46:34,807 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:46:34,807 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:46:34,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:46:34 BoogieIcfgContainer [2025-02-06 13:46:34,807 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:46:34,809 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:46:34,809 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:46:34,812 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:46:34,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:46:34" (1/3) ... [2025-02-06 13:46:34,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b226d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:46:34, skipping insertion in model container [2025-02-06 13:46:34,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:46:34" (2/3) ... [2025-02-06 13:46:34,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b226d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:46:34, skipping insertion in model container [2025-02-06 13:46:34,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:46:34" (3/3) ... [2025-02-06 13:46:34,813 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd2-ll.c [2025-02-06 13:46:34,822 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:46:34,823 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd2-ll.c that has 3 procedures, 160 locations, 1 initial locations, 2 loop locations, and 64 error locations. [2025-02-06 13:46:34,856 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:46:34,863 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;@5f299de0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:46:34,863 INFO L334 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2025-02-06 13:46:34,865 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 83 states have (on average 1.8433734939759037) internal successors, (153), 148 states have internal predecessors, (153), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 13:46:34,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-06 13:46:34,869 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:34,869 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:46:34,870 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:34,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:34,873 INFO L85 PathProgramCache]: Analyzing trace with hash -376225349, now seen corresponding path program 1 times [2025-02-06 13:46:34,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:34,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157718648] [2025-02-06 13:46:34,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:34,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:34,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 13:46:34,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 13:46:34,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:34,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:34,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 13:46:34,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:34,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157718648] [2025-02-06 13:46:34,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157718648] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:46:34,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359254877] [2025-02-06 13:46:34,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:34,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:34,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:34,964 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 13:46:34,964 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 13:46:34,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 13:46:34,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 13:46:34,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:34,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:34,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 13:46:34,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:35,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 13:46:35,004 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:35,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359254877] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:35,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:46:35,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 13:46:35,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462384205] [2025-02-06 13:46:35,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:35,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 13:46:35,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:35,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 13:46:35,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 13:46:35,021 INFO L87 Difference]: Start difference. First operand has 160 states, 83 states have (on average 1.8433734939759037) internal successors, (153), 148 states have internal predecessors, (153), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:46:35,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:35,038 INFO L93 Difference]: Finished difference Result 315 states and 351 transitions. [2025-02-06 13:46:35,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 13:46:35,039 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2025-02-06 13:46:35,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:35,043 INFO L225 Difference]: With dead ends: 315 [2025-02-06 13:46:35,043 INFO L226 Difference]: Without dead ends: 152 [2025-02-06 13:46:35,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 13:46:35,047 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:35,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:46:35,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2025-02-06 13:46:35,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2025-02-06 13:46:35,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 78 states have (on average 1.8205128205128205) internal successors, (142), 141 states have internal predecessors, (142), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 13:46:35,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 160 transitions. [2025-02-06 13:46:35,073 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 160 transitions. Word has length 14 [2025-02-06 13:46:35,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:35,074 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 160 transitions. [2025-02-06 13:46:35,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:46:35,074 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 160 transitions. [2025-02-06 13:46:35,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-06 13:46:35,075 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:35,075 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:46:35,082 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 13:46:35,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 13:46:35,279 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:35,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:35,280 INFO L85 PathProgramCache]: Analyzing trace with hash -571815333, now seen corresponding path program 1 times [2025-02-06 13:46:35,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:35,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121361203] [2025-02-06 13:46:35,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:35,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:35,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 13:46:35,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 13:46:35,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:35,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:46:35,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1550490525] [2025-02-06 13:46:35,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:35,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:35,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:35,299 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 13:46:35,303 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 13:46:35,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-06 13:46:35,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-06 13:46:35,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:35,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:35,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 13:46:35,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:35,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:46:35,445 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:35,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:35,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121361203] [2025-02-06 13:46:35,446 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:46:35,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550490525] [2025-02-06 13:46:35,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550490525] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:35,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:46:35,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 13:46:35,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132524719] [2025-02-06 13:46:35,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:35,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:46:35,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:35,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:46:35,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:46:35,448 INFO L87 Difference]: Start difference. First operand 152 states and 160 transitions. Second operand has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 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 13:46:35,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:35,665 INFO L93 Difference]: Finished difference Result 152 states and 160 transitions. [2025-02-06 13:46:35,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:46:35,665 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 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 14 [2025-02-06 13:46:35,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:35,666 INFO L225 Difference]: With dead ends: 152 [2025-02-06 13:46:35,666 INFO L226 Difference]: Without dead ends: 151 [2025-02-06 13:46:35,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:46:35,667 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 210 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:35,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 220 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:46:35,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2025-02-06 13:46:35,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2025-02-06 13:46:35,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 78 states have (on average 1.8076923076923077) internal successors, (141), 140 states have internal predecessors, (141), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 13:46:35,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 159 transitions. [2025-02-06 13:46:35,675 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 159 transitions. Word has length 14 [2025-02-06 13:46:35,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:35,676 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 159 transitions. [2025-02-06 13:46:35,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 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 13:46:35,676 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 159 transitions. [2025-02-06 13:46:35,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 13:46:35,676 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:35,676 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:46:35,685 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 13:46:35,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:35,877 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:35,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:35,878 INFO L85 PathProgramCache]: Analyzing trace with hash -546406023, now seen corresponding path program 1 times [2025-02-06 13:46:35,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:35,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667046526] [2025-02-06 13:46:35,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:35,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:35,882 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 13:46:35,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 13:46:35,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:35,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:46:35,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1128457032] [2025-02-06 13:46:35,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:35,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:35,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:35,890 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 13:46:35,891 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 13:46:35,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 13:46:35,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 13:46:35,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:35,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:35,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:46:35,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:35,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:46:35,963 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:46:36,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:46:36,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:36,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667046526] [2025-02-06 13:46:36,121 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:46:36,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128457032] [2025-02-06 13:46:36,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128457032] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:46:36,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:46:36,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-02-06 13:46:36,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019710909] [2025-02-06 13:46:36,121 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:46:36,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:46:36,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:36,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:46:36,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:46:36,122 INFO L87 Difference]: Start difference. First operand 151 states and 159 transitions. Second operand has 9 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 9 states have internal predecessors, (17), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 13:46:36,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:36,491 INFO L93 Difference]: Finished difference Result 151 states and 159 transitions. [2025-02-06 13:46:36,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:46:36,492 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 9 states have internal predecessors, (17), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) Word has length 15 [2025-02-06 13:46:36,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:36,492 INFO L225 Difference]: With dead ends: 151 [2025-02-06 13:46:36,492 INFO L226 Difference]: Without dead ends: 150 [2025-02-06 13:46:36,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:46:36,493 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 273 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:36,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 316 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:46:36,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2025-02-06 13:46:36,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2025-02-06 13:46:36,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 78 states have (on average 1.794871794871795) internal successors, (140), 139 states have internal predecessors, (140), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 13:46:36,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 158 transitions. [2025-02-06 13:46:36,500 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 158 transitions. Word has length 15 [2025-02-06 13:46:36,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:36,501 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 158 transitions. [2025-02-06 13:46:36,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 9 states have internal predecessors, (17), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 13:46:36,501 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 158 transitions. [2025-02-06 13:46:36,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-06 13:46:36,501 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:36,501 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:46:36,510 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 13:46:36,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:36,702 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:36,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:36,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1110174345, now seen corresponding path program 1 times [2025-02-06 13:46:36,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:36,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433928545] [2025-02-06 13:46:36,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:36,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:36,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 13:46:36,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 13:46:36,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:36,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:46:36,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [819993886] [2025-02-06 13:46:36,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:36,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:36,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:36,715 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 13:46:36,716 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 13:46:36,740 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 13:46:36,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 13:46:36,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:36,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:36,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:46:36,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:36,788 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:46:36,788 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:36,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:36,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433928545] [2025-02-06 13:46:36,788 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:46:36,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819993886] [2025-02-06 13:46:36,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819993886] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:36,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:46:36,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:46:36,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493105691] [2025-02-06 13:46:36,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:36,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:46:36,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:36,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:46:36,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:46:36,789 INFO L87 Difference]: Start difference. First operand 150 states and 158 transitions. Second operand has 6 states, 4 states have (on average 3.25) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:46:37,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:37,065 INFO L93 Difference]: Finished difference Result 150 states and 158 transitions. [2025-02-06 13:46:37,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:46:37,065 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 3.25) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2025-02-06 13:46:37,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:37,070 INFO L225 Difference]: With dead ends: 150 [2025-02-06 13:46:37,070 INFO L226 Difference]: Without dead ends: 149 [2025-02-06 13:46:37,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:46:37,071 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 202 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:37,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 292 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:46:37,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2025-02-06 13:46:37,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2025-02-06 13:46:37,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 138 states have internal predecessors, (139), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 13:46:37,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 157 transitions. [2025-02-06 13:46:37,083 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 157 transitions. Word has length 17 [2025-02-06 13:46:37,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:37,083 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 157 transitions. [2025-02-06 13:46:37,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 3.25) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:46:37,083 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 157 transitions. [2025-02-06 13:46:37,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-06 13:46:37,084 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:37,084 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:46:37,090 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 13:46:37,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:37,285 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:37,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:37,285 INFO L85 PathProgramCache]: Analyzing trace with hash -266491731, now seen corresponding path program 1 times [2025-02-06 13:46:37,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:37,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173188359] [2025-02-06 13:46:37,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:37,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:37,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 13:46:37,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 13:46:37,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:37,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:37,426 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 13:46:37,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:37,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173188359] [2025-02-06 13:46:37,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173188359] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:46:37,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752456806] [2025-02-06 13:46:37,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:37,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:37,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:37,430 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 13:46:37,431 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 13:46:37,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 13:46:37,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 13:46:37,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:37,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:37,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:46:37,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:37,481 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:46:37,481 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:37,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752456806] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:37,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:46:37,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2025-02-06 13:46:37,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331629283] [2025-02-06 13:46:37,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:37,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:46:37,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:37,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:46:37,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:46:37,483 INFO L87 Difference]: Start difference. First operand 149 states and 157 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:46:37,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:37,629 INFO L93 Difference]: Finished difference Result 255 states and 285 transitions. [2025-02-06 13:46:37,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:46:37,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 30 [2025-02-06 13:46:37,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:37,631 INFO L225 Difference]: With dead ends: 255 [2025-02-06 13:46:37,631 INFO L226 Difference]: Without dead ends: 245 [2025-02-06 13:46:37,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:46:37,632 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 89 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:37,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 210 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:46:37,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2025-02-06 13:46:37,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 202. [2025-02-06 13:46:37,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 127 states have (on average 1.763779527559055) internal successors, (224), 186 states have internal predecessors, (224), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 13:46:37,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 250 transitions. [2025-02-06 13:46:37,641 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 250 transitions. Word has length 30 [2025-02-06 13:46:37,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:37,641 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 250 transitions. [2025-02-06 13:46:37,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:46:37,641 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 250 transitions. [2025-02-06 13:46:37,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-06 13:46:37,642 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:37,642 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:46:37,648 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 13:46:37,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:37,846 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:37,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:37,847 INFO L85 PathProgramCache]: Analyzing trace with hash 328696208, now seen corresponding path program 1 times [2025-02-06 13:46:37,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:37,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415874776] [2025-02-06 13:46:37,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:37,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:37,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 13:46:37,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 13:46:37,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:37,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:46:37,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [365872386] [2025-02-06 13:46:37,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:37,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:37,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:37,865 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 13:46:37,866 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 13:46:37,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 13:46:37,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 13:46:37,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:37,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:37,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:46:37,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:46:37,898 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:37,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:37,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415874776] [2025-02-06 13:46:37,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:46:37,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365872386] [2025-02-06 13:46:37,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365872386] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:37,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:46:37,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:46:37,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516383774] [2025-02-06 13:46:37,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:37,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:46:37,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:37,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:46:37,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:46:37,899 INFO L87 Difference]: Start difference. First operand 202 states and 250 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 13:46:37,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:37,977 INFO L93 Difference]: Finished difference Result 348 states and 446 transitions. [2025-02-06 13:46:37,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:46:37,978 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2025-02-06 13:46:37,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:37,979 INFO L225 Difference]: With dead ends: 348 [2025-02-06 13:46:37,979 INFO L226 Difference]: Without dead ends: 340 [2025-02-06 13:46:37,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 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 13:46:37,980 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 83 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:37,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 264 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:46:37,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-02-06 13:46:37,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 301. [2025-02-06 13:46:37,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 218 states have (on average 1.7660550458715596) internal successors, (385), 277 states have internal predecessors, (385), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:46:37,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 427 transitions. [2025-02-06 13:46:37,991 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 427 transitions. Word has length 31 [2025-02-06 13:46:37,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:37,991 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 427 transitions. [2025-02-06 13:46:37,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 13:46:37,992 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 427 transitions. [2025-02-06 13:46:37,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-06 13:46:37,992 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:37,992 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:46:37,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 13:46:38,192 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,SelfDestructingSolverStorable5 [2025-02-06 13:46:38,193 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:38,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:38,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1599484107, now seen corresponding path program 1 times [2025-02-06 13:46:38,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:38,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874003493] [2025-02-06 13:46:38,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:38,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:38,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 13:46:38,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 13:46:38,207 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:38,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:38,292 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 13:46:38,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:38,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874003493] [2025-02-06 13:46:38,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874003493] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:46:38,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104553119] [2025-02-06 13:46:38,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:38,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:38,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:38,294 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 13:46:38,302 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 13:46:38,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 13:46:38,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 13:46:38,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:38,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:38,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:46:38,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:38,374 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:46:38,374 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:38,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104553119] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:38,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:46:38,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-06 13:46:38,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106115883] [2025-02-06 13:46:38,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:38,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:46:38,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:38,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:46:38,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:46:38,376 INFO L87 Difference]: Start difference. First operand 301 states and 427 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:46:38,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:38,572 INFO L93 Difference]: Finished difference Result 342 states and 469 transitions. [2025-02-06 13:46:38,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:46:38,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2025-02-06 13:46:38,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:38,573 INFO L225 Difference]: With dead ends: 342 [2025-02-06 13:46:38,574 INFO L226 Difference]: Without dead ends: 339 [2025-02-06 13:46:38,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:46:38,574 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 186 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:38,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 166 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:46:38,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-02-06 13:46:38,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 302. [2025-02-06 13:46:38,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 219 states have (on average 1.7442922374429224) internal successors, (382), 278 states have internal predecessors, (382), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:46:38,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 424 transitions. [2025-02-06 13:46:38,587 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 424 transitions. Word has length 32 [2025-02-06 13:46:38,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:38,587 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 424 transitions. [2025-02-06 13:46:38,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:46:38,587 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 424 transitions. [2025-02-06 13:46:38,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-06 13:46:38,588 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:38,588 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:46:38,593 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 13:46:38,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:38,789 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:38,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:38,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1955600244, now seen corresponding path program 1 times [2025-02-06 13:46:38,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:38,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731934776] [2025-02-06 13:46:38,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:38,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:38,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 13:46:38,797 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 13:46:38,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:38,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:38,860 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 13:46:38,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:38,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731934776] [2025-02-06 13:46:38,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731934776] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:46:38,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523442723] [2025-02-06 13:46:38,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:38,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:38,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:38,863 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 13:46:38,864 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 13:46:38,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 13:46:38,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 13:46:38,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:38,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:38,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:46:38,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:38,944 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:46:38,945 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:38,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523442723] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:38,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:46:38,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-06 13:46:38,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430295583] [2025-02-06 13:46:38,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:38,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:46:38,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:38,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:46:38,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:46:38,946 INFO L87 Difference]: Start difference. First operand 302 states and 424 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:46:39,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:39,295 INFO L93 Difference]: Finished difference Result 320 states and 444 transitions. [2025-02-06 13:46:39,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:46:39,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 33 [2025-02-06 13:46:39,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:39,300 INFO L225 Difference]: With dead ends: 320 [2025-02-06 13:46:39,300 INFO L226 Difference]: Without dead ends: 319 [2025-02-06 13:46:39,300 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:46:39,300 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 58 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:39,301 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 193 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:46:39,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2025-02-06 13:46:39,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 303. [2025-02-06 13:46:39,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 220 states have (on average 1.740909090909091) internal successors, (383), 279 states have internal predecessors, (383), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:46:39,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 425 transitions. [2025-02-06 13:46:39,310 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 425 transitions. Word has length 33 [2025-02-06 13:46:39,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:39,310 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 425 transitions. [2025-02-06 13:46:39,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:46:39,310 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 425 transitions. [2025-02-06 13:46:39,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-06 13:46:39,311 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:39,311 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:46:39,317 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 13:46:39,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:39,512 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:39,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:39,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1950520882, now seen corresponding path program 1 times [2025-02-06 13:46:39,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:39,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875732982] [2025-02-06 13:46:39,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:39,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:39,516 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 13:46:39,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 13:46:39,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:39,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:39,656 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 13:46:39,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:39,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875732982] [2025-02-06 13:46:39,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875732982] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:46:39,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775044667] [2025-02-06 13:46:39,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:39,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:39,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:39,659 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 13:46:39,663 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 13:46:39,686 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 13:46:39,697 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 13:46:39,697 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:39,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:39,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:46:39,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:39,780 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:46:39,780 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:39,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775044667] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:39,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:46:39,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2025-02-06 13:46:39,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516412731] [2025-02-06 13:46:39,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:39,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:46:39,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:39,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:46:39,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:46:39,782 INFO L87 Difference]: Start difference. First operand 303 states and 425 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:46:40,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:40,152 INFO L93 Difference]: Finished difference Result 378 states and 443 transitions. [2025-02-06 13:46:40,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:46:40,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 33 [2025-02-06 13:46:40,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:40,154 INFO L225 Difference]: With dead ends: 378 [2025-02-06 13:46:40,154 INFO L226 Difference]: Without dead ends: 377 [2025-02-06 13:46:40,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:46:40,154 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 448 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:40,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 277 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:46:40,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2025-02-06 13:46:40,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 303. [2025-02-06 13:46:40,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 220 states have (on average 1.7363636363636363) internal successors, (382), 279 states have internal predecessors, (382), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:46:40,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 424 transitions. [2025-02-06 13:46:40,163 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 424 transitions. Word has length 33 [2025-02-06 13:46:40,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:40,163 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 424 transitions. [2025-02-06 13:46:40,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:46:40,164 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 424 transitions. [2025-02-06 13:46:40,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-06 13:46:40,164 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:40,164 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 13:46:40,174 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 13:46:40,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:40,365 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:40,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:40,365 INFO L85 PathProgramCache]: Analyzing trace with hash -494065431, now seen corresponding path program 1 times [2025-02-06 13:46:40,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:40,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417924641] [2025-02-06 13:46:40,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:40,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:40,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 13:46:40,371 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 13:46:40,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:40,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:40,453 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 13:46:40,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:40,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417924641] [2025-02-06 13:46:40,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417924641] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:46:40,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237893537] [2025-02-06 13:46:40,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:40,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:40,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:40,456 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 13:46:40,460 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 13:46:40,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 13:46:40,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 13:46:40,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:40,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:40,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:46:40,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:40,544 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:46:40,544 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:40,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237893537] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:40,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:46:40,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-06 13:46:40,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929108884] [2025-02-06 13:46:40,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:40,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:46:40,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:40,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:46:40,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:46:40,546 INFO L87 Difference]: Start difference. First operand 303 states and 424 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:46:41,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:41,059 INFO L93 Difference]: Finished difference Result 350 states and 452 transitions. [2025-02-06 13:46:41,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:46:41,059 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2025-02-06 13:46:41,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:41,061 INFO L225 Difference]: With dead ends: 350 [2025-02-06 13:46:41,061 INFO L226 Difference]: Without dead ends: 348 [2025-02-06 13:46:41,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:46:41,061 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 96 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:41,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 260 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:46:41,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2025-02-06 13:46:41,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 304. [2025-02-06 13:46:41,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 221 states have (on average 1.7239819004524888) internal successors, (381), 280 states have internal predecessors, (381), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:46:41,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 423 transitions. [2025-02-06 13:46:41,077 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 423 transitions. Word has length 34 [2025-02-06 13:46:41,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:41,077 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 423 transitions. [2025-02-06 13:46:41,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:46:41,077 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 423 transitions. [2025-02-06 13:46:41,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-06 13:46:41,078 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:41,078 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 13:46:41,091 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 13:46:41,278 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,SelfDestructingSolverStorable9 [2025-02-06 13:46:41,283 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:41,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:41,283 INFO L85 PathProgramCache]: Analyzing trace with hash -336605104, now seen corresponding path program 1 times [2025-02-06 13:46:41,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:41,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781203837] [2025-02-06 13:46:41,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:41,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:41,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 13:46:41,295 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 13:46:41,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:41,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:46:41,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [458670138] [2025-02-06 13:46:41,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:41,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:41,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:41,303 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 13:46:41,307 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 13:46:41,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 13:46:41,342 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 13:46:41,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:41,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:41,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:46:41,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:41,387 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:46:41,388 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:41,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:41,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781203837] [2025-02-06 13:46:41,388 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:46:41,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458670138] [2025-02-06 13:46:41,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [458670138] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:41,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:46:41,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:46:41,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507710252] [2025-02-06 13:46:41,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:41,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:46:41,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:41,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:46:41,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:46:41,389 INFO L87 Difference]: Start difference. First operand 304 states and 423 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:46:41,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:41,659 INFO L93 Difference]: Finished difference Result 375 states and 439 transitions. [2025-02-06 13:46:41,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:46:41,660 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2025-02-06 13:46:41,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:41,662 INFO L225 Difference]: With dead ends: 375 [2025-02-06 13:46:41,662 INFO L226 Difference]: Without dead ends: 374 [2025-02-06 13:46:41,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:46:41,662 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 442 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:41,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 274 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:46:41,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2025-02-06 13:46:41,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 304. [2025-02-06 13:46:41,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 221 states have (on average 1.7194570135746607) internal successors, (380), 280 states have internal predecessors, (380), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:46:41,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 422 transitions. [2025-02-06 13:46:41,676 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 422 transitions. Word has length 34 [2025-02-06 13:46:41,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:41,676 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 422 transitions. [2025-02-06 13:46:41,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:46:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 422 transitions. [2025-02-06 13:46:41,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-06 13:46:41,677 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:41,677 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 13:46:41,683 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 13:46:41,882 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,SelfDestructingSolverStorable10 [2025-02-06 13:46:41,882 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:41,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:41,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1863840810, now seen corresponding path program 1 times [2025-02-06 13:46:41,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:41,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586899345] [2025-02-06 13:46:41,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:41,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:41,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 13:46:41,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 13:46:41,893 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:41,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:41,953 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 13:46:41,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:41,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586899345] [2025-02-06 13:46:41,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586899345] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:46:41,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564011569] [2025-02-06 13:46:41,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:41,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:41,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:41,956 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 13:46:41,961 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 13:46:41,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 13:46:41,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 13:46:41,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:41,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:41,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:46:42,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:42,061 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:46:42,062 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:42,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564011569] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:42,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:46:42,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-06 13:46:42,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972203197] [2025-02-06 13:46:42,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:42,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:46:42,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:42,062 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:46:42,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:46:42,063 INFO L87 Difference]: Start difference. First operand 304 states and 422 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:46:42,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:42,435 INFO L93 Difference]: Finished difference Result 350 states and 448 transitions. [2025-02-06 13:46:42,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:46:42,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2025-02-06 13:46:42,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:42,439 INFO L225 Difference]: With dead ends: 350 [2025-02-06 13:46:42,439 INFO L226 Difference]: Without dead ends: 346 [2025-02-06 13:46:42,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:46:42,440 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 143 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:42,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 224 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:46:42,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2025-02-06 13:46:42,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 305. [2025-02-06 13:46:42,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 222 states have (on average 1.6936936936936937) internal successors, (376), 281 states have internal predecessors, (376), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:46:42,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 418 transitions. [2025-02-06 13:46:42,472 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 418 transitions. Word has length 35 [2025-02-06 13:46:42,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:42,473 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 418 transitions. [2025-02-06 13:46:42,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:46:42,473 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 418 transitions. [2025-02-06 13:46:42,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-06 13:46:42,479 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:42,479 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 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 13:46:42,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-06 13:46:42,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:42,680 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:42,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:42,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1786204466, now seen corresponding path program 1 times [2025-02-06 13:46:42,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:42,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355886106] [2025-02-06 13:46:42,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:42,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:42,687 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 13:46:42,695 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 13:46:42,695 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:42,695 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:46:42,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1674690173] [2025-02-06 13:46:42,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:42,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:42,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:42,702 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 13:46:42,707 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 13:46:42,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 13:46:42,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 13:46:42,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:42,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:42,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:46:42,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:42,761 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:46:42,761 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:42,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:42,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355886106] [2025-02-06 13:46:42,762 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:46:42,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674690173] [2025-02-06 13:46:42,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674690173] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:42,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:46:42,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:46:42,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224411347] [2025-02-06 13:46:42,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:42,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:46:42,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:42,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:46:42,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:46:42,763 INFO L87 Difference]: Start difference. First operand 305 states and 418 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:46:42,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:42,823 INFO L93 Difference]: Finished difference Result 352 states and 442 transitions. [2025-02-06 13:46:42,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:46:42,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2025-02-06 13:46:42,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:42,825 INFO L225 Difference]: With dead ends: 352 [2025-02-06 13:46:42,825 INFO L226 Difference]: Without dead ends: 348 [2025-02-06 13:46:42,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 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 13:46:42,826 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 83 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:42,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 278 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:46:42,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2025-02-06 13:46:42,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 310. [2025-02-06 13:46:42,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 226 states have (on average 1.6725663716814159) internal successors, (378), 285 states have internal predecessors, (378), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-06 13:46:42,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 422 transitions. [2025-02-06 13:46:42,838 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 422 transitions. Word has length 40 [2025-02-06 13:46:42,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:42,838 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 422 transitions. [2025-02-06 13:46:42,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:46:42,839 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 422 transitions. [2025-02-06 13:46:42,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-06 13:46:42,839 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:42,839 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 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 13:46:42,845 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 13:46:43,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:43,040 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:43,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:43,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1825423155, now seen corresponding path program 1 times [2025-02-06 13:46:43,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:43,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692653582] [2025-02-06 13:46:43,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:43,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:43,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 13:46:43,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 13:46:43,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:43,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:43,093 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 13:46:43,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:43,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692653582] [2025-02-06 13:46:43,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692653582] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:46:43,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125150729] [2025-02-06 13:46:43,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:43,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:43,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:43,097 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 13:46:43,098 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 13:46:43,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 13:46:43,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 13:46:43,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:43,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:43,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:46:43,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:43,189 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:46:43,190 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:43,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125150729] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:43,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:46:43,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-06 13:46:43,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406750043] [2025-02-06 13:46:43,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:43,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:46:43,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:43,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:46:43,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:46:43,191 INFO L87 Difference]: Start difference. First operand 310 states and 422 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:46:43,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:43,338 INFO L93 Difference]: Finished difference Result 330 states and 426 transitions. [2025-02-06 13:46:43,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:46:43,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2025-02-06 13:46:43,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:43,339 INFO L225 Difference]: With dead ends: 330 [2025-02-06 13:46:43,339 INFO L226 Difference]: Without dead ends: 328 [2025-02-06 13:46:43,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:46:43,340 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 229 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:43,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 192 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:46:43,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2025-02-06 13:46:43,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 310. [2025-02-06 13:46:43,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 226 states have (on average 1.6592920353982301) internal successors, (375), 285 states have internal predecessors, (375), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-06 13:46:43,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 419 transitions. [2025-02-06 13:46:43,374 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 419 transitions. Word has length 41 [2025-02-06 13:46:43,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:43,374 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 419 transitions. [2025-02-06 13:46:43,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:46:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 419 transitions. [2025-02-06 13:46:43,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-06 13:46:43,374 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:43,375 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 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 13:46:43,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-02-06 13:46:43,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-02-06 13:46:43,575 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:43,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:43,576 INFO L85 PathProgramCache]: Analyzing trace with hash -753542975, now seen corresponding path program 1 times [2025-02-06 13:46:43,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:43,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420139186] [2025-02-06 13:46:43,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:43,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:43,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 13:46:43,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 13:46:43,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:43,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:43,627 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 13:46:43,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:43,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420139186] [2025-02-06 13:46:43,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420139186] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:46:43,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808850593] [2025-02-06 13:46:43,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:43,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:43,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:43,629 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 13:46:43,635 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 13:46:43,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 13:46:43,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 13:46:43,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:43,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:43,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:46:43,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:43,732 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:46:43,733 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:43,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808850593] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:43,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:46:43,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-06 13:46:43,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052500845] [2025-02-06 13:46:43,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:43,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:46:43,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:43,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:46:43,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:46:43,734 INFO L87 Difference]: Start difference. First operand 310 states and 419 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:46:43,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:43,882 INFO L93 Difference]: Finished difference Result 330 states and 423 transitions. [2025-02-06 13:46:43,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:46:43,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2025-02-06 13:46:43,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:43,884 INFO L225 Difference]: With dead ends: 330 [2025-02-06 13:46:43,884 INFO L226 Difference]: Without dead ends: 328 [2025-02-06 13:46:43,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:46:43,885 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 227 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:43,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 192 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:46:43,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2025-02-06 13:46:43,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 310. [2025-02-06 13:46:43,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 226 states have (on average 1.6460176991150441) internal successors, (372), 285 states have internal predecessors, (372), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-06 13:46:43,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 416 transitions. [2025-02-06 13:46:43,895 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 416 transitions. Word has length 42 [2025-02-06 13:46:43,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:43,896 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 416 transitions. [2025-02-06 13:46:43,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:46:43,896 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 416 transitions. [2025-02-06 13:46:43,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 13:46:43,897 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:43,897 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:46:43,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-06 13:46:44,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-02-06 13:46:44,098 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:44,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:44,099 INFO L85 PathProgramCache]: Analyzing trace with hash 822238730, now seen corresponding path program 1 times [2025-02-06 13:46:44,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:44,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899514915] [2025-02-06 13:46:44,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:44,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:44,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 13:46:44,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 13:46:44,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:44,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:46:44,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [72152148] [2025-02-06 13:46:44,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:44,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:44,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:44,111 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 13:46:44,115 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 13:46:44,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 13:46:44,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 13:46:44,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:44,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:44,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:46:44,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:44,175 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:46:44,175 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:44,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:44,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899514915] [2025-02-06 13:46:44,175 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:46:44,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72152148] [2025-02-06 13:46:44,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72152148] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:44,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:46:44,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:46:44,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708030584] [2025-02-06 13:46:44,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:44,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:46:44,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:44,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:46:44,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:46:44,176 INFO L87 Difference]: Start difference. First operand 310 states and 416 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:46:44,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:44,327 INFO L93 Difference]: Finished difference Result 346 states and 430 transitions. [2025-02-06 13:46:44,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:46:44,328 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2025-02-06 13:46:44,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:44,329 INFO L225 Difference]: With dead ends: 346 [2025-02-06 13:46:44,329 INFO L226 Difference]: Without dead ends: 344 [2025-02-06 13:46:44,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 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 13:46:44,330 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 81 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:44,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 352 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:46:44,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2025-02-06 13:46:44,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 311. [2025-02-06 13:46:44,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 227 states have (on average 1.6343612334801763) internal successors, (371), 286 states have internal predecessors, (371), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-06 13:46:44,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 415 transitions. [2025-02-06 13:46:44,340 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 415 transitions. Word has length 44 [2025-02-06 13:46:44,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:44,340 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 415 transitions. [2025-02-06 13:46:44,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:46:44,340 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 415 transitions. [2025-02-06 13:46:44,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-06 13:46:44,340 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:44,341 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:46:44,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-06 13:46:44,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:44,541 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:44,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:44,542 INFO L85 PathProgramCache]: Analyzing trace with hash -280403065, now seen corresponding path program 1 times [2025-02-06 13:46:44,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:44,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9233919] [2025-02-06 13:46:44,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:44,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:44,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 13:46:44,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 13:46:44,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:44,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:46:44,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [405398010] [2025-02-06 13:46:44,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:44,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:44,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:44,555 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 13:46:44,560 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 13:46:44,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 13:46:44,600 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 13:46:44,600 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:44,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:44,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:46:44,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:44,661 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:46:44,661 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:44,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:44,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9233919] [2025-02-06 13:46:44,661 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:46:44,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405398010] [2025-02-06 13:46:44,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405398010] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:44,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:46:44,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:46:44,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449697405] [2025-02-06 13:46:44,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:44,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:46:44,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:44,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:46:44,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:46:44,662 INFO L87 Difference]: Start difference. First operand 311 states and 415 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:46:45,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:45,127 INFO L93 Difference]: Finished difference Result 346 states and 427 transitions. [2025-02-06 13:46:45,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:46:45,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2025-02-06 13:46:45,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:45,129 INFO L225 Difference]: With dead ends: 346 [2025-02-06 13:46:45,129 INFO L226 Difference]: Without dead ends: 331 [2025-02-06 13:46:45,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 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 13:46:45,130 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 81 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:45,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 356 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:46:45,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2025-02-06 13:46:45,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 299. [2025-02-06 13:46:45,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 216 states have (on average 1.6527777777777777) internal successors, (357), 275 states have internal predecessors, (357), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:46:45,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 399 transitions. [2025-02-06 13:46:45,138 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 399 transitions. Word has length 45 [2025-02-06 13:46:45,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:45,138 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 399 transitions. [2025-02-06 13:46:45,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:46:45,138 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 399 transitions. [2025-02-06 13:46:45,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-06 13:46:45,138 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:45,139 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:46:45,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-02-06 13:46:45,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-06 13:46:45,339 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:45,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:45,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1664646706, now seen corresponding path program 1 times [2025-02-06 13:46:45,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:45,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116022535] [2025-02-06 13:46:45,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:45,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:45,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-06 13:46:45,354 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-06 13:46:45,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:45,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:46:45,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1876526818] [2025-02-06 13:46:45,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:45,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:45,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:45,360 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:46:45,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-06 13:46:45,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-06 13:46:45,417 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-06 13:46:45,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:45,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:45,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:46:45,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:45,521 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 13:46:45,521 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:45,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:45,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116022535] [2025-02-06 13:46:45,521 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:46:45,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876526818] [2025-02-06 13:46:45,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876526818] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:45,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:46:45,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:46:45,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065878065] [2025-02-06 13:46:45,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:45,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:46:45,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:45,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:46:45,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:46:45,522 INFO L87 Difference]: Start difference. First operand 299 states and 399 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 13:46:45,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:45,880 INFO L93 Difference]: Finished difference Result 323 states and 420 transitions. [2025-02-06 13:46:45,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:46:45,881 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 54 [2025-02-06 13:46:45,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:45,882 INFO L225 Difference]: With dead ends: 323 [2025-02-06 13:46:45,882 INFO L226 Difference]: Without dead ends: 322 [2025-02-06 13:46:45,882 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 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 13:46:45,882 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 158 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:45,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 166 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:46:45,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2025-02-06 13:46:45,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 299. [2025-02-06 13:46:45,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 216 states have (on average 1.6481481481481481) internal successors, (356), 275 states have internal predecessors, (356), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:46:45,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 398 transitions. [2025-02-06 13:46:45,892 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 398 transitions. Word has length 54 [2025-02-06 13:46:45,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:45,892 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 398 transitions. [2025-02-06 13:46:45,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 13:46:45,892 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 398 transitions. [2025-02-06 13:46:45,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-06 13:46:45,892 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:45,893 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:46:45,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-06 13:46:46,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-06 13:46:46,097 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:46,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:46,097 INFO L85 PathProgramCache]: Analyzing trace with hash 108222294, now seen corresponding path program 1 times [2025-02-06 13:46:46,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:46,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439107327] [2025-02-06 13:46:46,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:46,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:46,101 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-06 13:46:46,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-06 13:46:46,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:46,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:46:46,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1257352153] [2025-02-06 13:46:46,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:46,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:46,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:46,113 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:46:46,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-06 13:46:46,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-06 13:46:46,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-06 13:46:46,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:46,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:46,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:46:46,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:46,337 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 13:46:46,337 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:46,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:46,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439107327] [2025-02-06 13:46:46,338 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:46:46,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257352153] [2025-02-06 13:46:46,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257352153] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:46,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:46:46,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:46:46,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307404999] [2025-02-06 13:46:46,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:46,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:46:46,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:46,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:46:46,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:46:46,339 INFO L87 Difference]: Start difference. First operand 299 states and 398 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:46:46,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:46,481 INFO L93 Difference]: Finished difference Result 325 states and 419 transitions. [2025-02-06 13:46:46,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:46:46,481 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), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 64 [2025-02-06 13:46:46,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:46,482 INFO L225 Difference]: With dead ends: 325 [2025-02-06 13:46:46,482 INFO L226 Difference]: Without dead ends: 324 [2025-02-06 13:46:46,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 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 13:46:46,483 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 88 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:46,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 218 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:46:46,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2025-02-06 13:46:46,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 299. [2025-02-06 13:46:46,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 216 states have (on average 1.6388888888888888) internal successors, (354), 275 states have internal predecessors, (354), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:46:46,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2025-02-06 13:46:46,493 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 64 [2025-02-06 13:46:46,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:46,493 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2025-02-06 13:46:46,493 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), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:46:46,493 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2025-02-06 13:46:46,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-06 13:46:46,494 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:46,494 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:46:46,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-02-06 13:46:46,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:46,694 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:46,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:46,698 INFO L85 PathProgramCache]: Analyzing trace with hash -940076123, now seen corresponding path program 1 times [2025-02-06 13:46:46,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:46,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096276719] [2025-02-06 13:46:46,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:46,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:46,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-06 13:46:46,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-06 13:46:46,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:46,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:46:46,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [472171341] [2025-02-06 13:46:46,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:46,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:46,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:46,731 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:46:46,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-06 13:46:46,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-06 13:46:46,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-06 13:46:46,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:46,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:46,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:46:46,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:47,909 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 13:46:47,909 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:47,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:47,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096276719] [2025-02-06 13:46:47,910 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:46:47,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472171341] [2025-02-06 13:46:47,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472171341] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:47,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:46:47,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:46:47,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153688270] [2025-02-06 13:46:47,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:47,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:46:47,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:47,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:46:47,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2025-02-06 13:46:47,910 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:46:51,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:51,879 INFO L93 Difference]: Finished difference Result 325 states and 417 transitions. [2025-02-06 13:46:51,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:46:51,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 65 [2025-02-06 13:46:51,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:51,881 INFO L225 Difference]: With dead ends: 325 [2025-02-06 13:46:51,881 INFO L226 Difference]: Without dead ends: 324 [2025-02-06 13:46:51,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2025-02-06 13:46:51,881 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 86 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:51,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 216 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 4 Unknown, 0 Unchecked, 4.0s Time] [2025-02-06 13:46:51,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2025-02-06 13:46:51,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 299. [2025-02-06 13:46:51,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 216 states have (on average 1.6296296296296295) internal successors, (352), 275 states have internal predecessors, (352), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:46:51,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 394 transitions. [2025-02-06 13:46:51,904 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 394 transitions. Word has length 65 [2025-02-06 13:46:51,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:51,904 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 394 transitions. [2025-02-06 13:46:51,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:46:51,904 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 394 transitions. [2025-02-06 13:46:51,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-02-06 13:46:51,905 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:51,906 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:46:51,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-06 13:46:52,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:52,106 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:52,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:52,110 INFO L85 PathProgramCache]: Analyzing trace with hash 922411316, now seen corresponding path program 1 times [2025-02-06 13:46:52,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:52,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045969965] [2025-02-06 13:46:52,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:52,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:52,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-02-06 13:46:52,127 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-02-06 13:46:52,128 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:52,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:46:52,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1482616392] [2025-02-06 13:46:52,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:52,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:52,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:52,133 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:46:52,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-06 13:46:52,159 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-02-06 13:46:52,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-02-06 13:46:52,171 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:52,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:52,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:46:52,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:52,238 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 13:46:52,238 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:52,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:52,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045969965] [2025-02-06 13:46:52,239 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:46:52,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482616392] [2025-02-06 13:46:52,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482616392] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:52,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:46:52,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:46:52,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334233432] [2025-02-06 13:46:52,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:52,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:46:52,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:52,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:46:52,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:46:52,239 INFO L87 Difference]: Start difference. First operand 299 states and 394 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:46:52,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:52,556 INFO L93 Difference]: Finished difference Result 318 states and 405 transitions. [2025-02-06 13:46:52,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:46:52,556 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2025-02-06 13:46:52,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:52,557 INFO L225 Difference]: With dead ends: 318 [2025-02-06 13:46:52,557 INFO L226 Difference]: Without dead ends: 316 [2025-02-06 13:46:52,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 63 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 13:46:52,558 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 91 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:52,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 253 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:46:52,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2025-02-06 13:46:52,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 299. [2025-02-06 13:46:52,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 216 states have (on average 1.6111111111111112) internal successors, (348), 275 states have internal predecessors, (348), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:46:52,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 390 transitions. [2025-02-06 13:46:52,575 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 390 transitions. Word has length 66 [2025-02-06 13:46:52,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:52,575 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 390 transitions. [2025-02-06 13:46:52,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:46:52,575 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 390 transitions. [2025-02-06 13:46:52,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-02-06 13:46:52,579 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:52,579 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:46:52,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-02-06 13:46:52,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2025-02-06 13:46:52,780 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:52,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:52,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1470020221, now seen corresponding path program 1 times [2025-02-06 13:46:52,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:52,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774171814] [2025-02-06 13:46:52,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:52,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:52,784 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-06 13:46:52,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-06 13:46:52,792 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:52,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:46:52,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1415584093] [2025-02-06 13:46:52,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:52,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:52,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:52,800 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:46:52,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-06 13:46:52,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-06 13:46:52,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-06 13:46:52,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:52,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:52,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:46:52,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:52,916 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 13:46:52,917 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:46:52,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:52,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774171814] [2025-02-06 13:46:52,917 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:46:52,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415584093] [2025-02-06 13:46:52,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415584093] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:46:52,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:46:52,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:46:52,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268839066] [2025-02-06 13:46:52,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:46:52,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:46:52,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:52,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:46:52,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:46:52,918 INFO L87 Difference]: Start difference. First operand 299 states and 390 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:46:53,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:53,150 INFO L93 Difference]: Finished difference Result 318 states and 401 transitions. [2025-02-06 13:46:53,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:46:53,153 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), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 67 [2025-02-06 13:46:53,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:53,154 INFO L225 Difference]: With dead ends: 318 [2025-02-06 13:46:53,154 INFO L226 Difference]: Without dead ends: 316 [2025-02-06 13:46:53,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 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 13:46:53,155 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 90 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:53,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 256 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:46:53,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2025-02-06 13:46:53,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 299. [2025-02-06 13:46:53,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 216 states have (on average 1.5925925925925926) internal successors, (344), 275 states have internal predecessors, (344), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:46:53,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 386 transitions. [2025-02-06 13:46:53,166 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 386 transitions. Word has length 67 [2025-02-06 13:46:53,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:53,166 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 386 transitions. [2025-02-06 13:46:53,166 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), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:46:53,166 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 386 transitions. [2025-02-06 13:46:53,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-06 13:46:53,166 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:53,166 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:46:53,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-06 13:46:53,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-02-06 13:46:53,368 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:53,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:53,368 INFO L85 PathProgramCache]: Analyzing trace with hash 221216462, now seen corresponding path program 1 times [2025-02-06 13:46:53,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:53,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185585845] [2025-02-06 13:46:53,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:53,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:53,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 13:46:53,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 13:46:53,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:53,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:46:53,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1902002484] [2025-02-06 13:46:53,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:53,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:53,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:53,387 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:46:53,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-06 13:46:53,418 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 13:46:53,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 13:46:53,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:53,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:53,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:46:53,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:53,545 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-06 13:46:53,545 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:46:53,680 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-06 13:46:53,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:53,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185585845] [2025-02-06 13:46:53,680 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:46:53,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902002484] [2025-02-06 13:46:53,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902002484] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:46:53,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:46:53,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-02-06 13:46:53,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322485362] [2025-02-06 13:46:53,680 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:46:53,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:46:53,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:53,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:46:53,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:46:53,681 INFO L87 Difference]: Start difference. First operand 299 states and 386 transitions. Second operand has 9 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-06 13:46:54,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:54,099 INFO L93 Difference]: Finished difference Result 317 states and 387 transitions. [2025-02-06 13:46:54,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:46:54,099 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) Word has length 72 [2025-02-06 13:46:54,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:54,101 INFO L225 Difference]: With dead ends: 317 [2025-02-06 13:46:54,101 INFO L226 Difference]: Without dead ends: 316 [2025-02-06 13:46:54,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 134 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:46:54,102 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 299 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:54,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 354 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:46:54,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2025-02-06 13:46:54,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 299. [2025-02-06 13:46:54,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 216 states have (on average 1.5787037037037037) internal successors, (341), 275 states have internal predecessors, (341), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:46:54,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 383 transitions. [2025-02-06 13:46:54,114 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 383 transitions. Word has length 72 [2025-02-06 13:46:54,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:54,114 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 383 transitions. [2025-02-06 13:46:54,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.375) internal successors, (83), 7 states have internal predecessors, (83), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-06 13:46:54,114 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 383 transitions. [2025-02-06 13:46:54,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-02-06 13:46:54,114 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:54,114 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:46:54,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-06 13:46:54,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-02-06 13:46:54,315 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:54,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:54,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1732224227, now seen corresponding path program 1 times [2025-02-06 13:46:54,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:54,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430204699] [2025-02-06 13:46:54,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:54,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:54,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-06 13:46:54,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 13:46:54,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:54,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:46:54,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1269245987] [2025-02-06 13:46:54,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:54,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:54,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:54,334 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:46:54,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-06 13:46:54,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-06 13:46:54,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 13:46:54,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:54,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:54,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:46:54,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:54,544 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-06 13:46:54,544 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:46:54,934 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-06 13:46:54,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:46:54,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430204699] [2025-02-06 13:46:54,935 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:46:54,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269245987] [2025-02-06 13:46:54,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269245987] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:46:54,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:46:54,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-06 13:46:54,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196250219] [2025-02-06 13:46:54,936 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:46:54,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:46:54,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:46:54,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:46:54,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:46:54,937 INFO L87 Difference]: Start difference. First operand 299 states and 383 transitions. Second operand has 11 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2025-02-06 13:46:55,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:46:55,722 INFO L93 Difference]: Finished difference Result 317 states and 384 transitions. [2025-02-06 13:46:55,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:46:55,723 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 73 [2025-02-06 13:46:55,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:46:55,724 INFO L225 Difference]: With dead ends: 317 [2025-02-06 13:46:55,724 INFO L226 Difference]: Without dead ends: 316 [2025-02-06 13:46:55,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 134 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:46:55,725 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 368 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 13:46:55,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 487 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 13:46:55,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2025-02-06 13:46:55,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 299. [2025-02-06 13:46:55,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 216 states have (on average 1.5648148148148149) internal successors, (338), 275 states have internal predecessors, (338), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:46:55,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 380 transitions. [2025-02-06 13:46:55,735 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 380 transitions. Word has length 73 [2025-02-06 13:46:55,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:46:55,735 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 380 transitions. [2025-02-06 13:46:55,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2025-02-06 13:46:55,735 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 380 transitions. [2025-02-06 13:46:55,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-02-06 13:46:55,736 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:46:55,736 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:46:55,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-06 13:46:55,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-02-06 13:46:55,937 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:46:55,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:46:55,937 INFO L85 PathProgramCache]: Analyzing trace with hash 2135623852, now seen corresponding path program 1 times [2025-02-06 13:46:55,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:46:55,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449281754] [2025-02-06 13:46:55,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:55,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:46:55,941 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-06 13:46:55,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-06 13:46:55,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:55,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:46:55,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [60158639] [2025-02-06 13:46:55,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:46:55,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:46:55,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:46:55,953 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:46:55,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-06 13:46:55,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-06 13:46:55,989 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-06 13:46:55,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:46:55,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:46:55,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 13:46:55,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:46:56,462 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-06 13:46:56,463 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:47:00,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:00,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449281754] [2025-02-06 13:47:00,801 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:47:00,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60158639] [2025-02-06 13:47:00,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60158639] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:47:00,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:47:00,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:47:00,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511466056] [2025-02-06 13:47:00,802 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:47:00,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:47:00,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:00,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:47:00,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2025-02-06 13:47:00,802 INFO L87 Difference]: Start difference. First operand 299 states and 380 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:47:01,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:01,244 INFO L93 Difference]: Finished difference Result 317 states and 391 transitions. [2025-02-06 13:47:01,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:47:01,245 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 74 [2025-02-06 13:47:01,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:01,246 INFO L225 Difference]: With dead ends: 317 [2025-02-06 13:47:01,246 INFO L226 Difference]: Without dead ends: 314 [2025-02-06 13:47:01,246 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2025-02-06 13:47:01,246 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 173 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:01,247 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 317 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:47:01,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2025-02-06 13:47:01,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 299. [2025-02-06 13:47:01,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 216 states have (on average 1.537037037037037) internal successors, (332), 275 states have internal predecessors, (332), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:47:01,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 374 transitions. [2025-02-06 13:47:01,255 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 374 transitions. Word has length 74 [2025-02-06 13:47:01,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:01,255 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 374 transitions. [2025-02-06 13:47:01,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:47:01,255 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 374 transitions. [2025-02-06 13:47:01,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-02-06 13:47:01,256 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:01,256 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:47:01,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-02-06 13:47:01,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-02-06 13:47:01,456 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:01,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:01,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1779830011, now seen corresponding path program 1 times [2025-02-06 13:47:01,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:01,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87109096] [2025-02-06 13:47:01,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:01,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:01,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-06 13:47:01,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-06 13:47:01,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:01,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:47:01,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2034882424] [2025-02-06 13:47:01,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:01,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:01,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:47:01,474 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:47:01,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-06 13:47:01,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-06 13:47:01,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-06 13:47:01,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:01,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:01,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-06 13:47:01,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:47:01,975 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-02-06 13:47:01,975 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:47:02,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:02,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87109096] [2025-02-06 13:47:02,050 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:47:02,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034882424] [2025-02-06 13:47:02,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034882424] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:47:02,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:47:02,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 13:47:02,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405833994] [2025-02-06 13:47:02,051 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:47:02,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:47:02,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:02,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:47:02,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:47:02,053 INFO L87 Difference]: Start difference. First operand 299 states and 374 transitions. Second operand has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:47:02,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:02,542 INFO L93 Difference]: Finished difference Result 305 states and 375 transitions. [2025-02-06 13:47:02,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:47:02,542 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 75 [2025-02-06 13:47:02,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:02,543 INFO L225 Difference]: With dead ends: 305 [2025-02-06 13:47:02,543 INFO L226 Difference]: Without dead ends: 302 [2025-02-06 13:47:02,544 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:47:02,544 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 122 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:02,544 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 251 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:47:02,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2025-02-06 13:47:02,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 299. [2025-02-06 13:47:02,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 216 states have (on average 1.5092592592592593) internal successors, (326), 275 states have internal predecessors, (326), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:47:02,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 368 transitions. [2025-02-06 13:47:02,552 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 368 transitions. Word has length 75 [2025-02-06 13:47:02,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:02,552 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 368 transitions. [2025-02-06 13:47:02,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:47:02,552 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 368 transitions. [2025-02-06 13:47:02,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-06 13:47:02,553 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:02,553 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:02,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-06 13:47:02,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-02-06 13:47:02,753 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:02,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:02,754 INFO L85 PathProgramCache]: Analyzing trace with hash -355520743, now seen corresponding path program 1 times [2025-02-06 13:47:02,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:02,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167783586] [2025-02-06 13:47:02,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:02,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:02,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 13:47:02,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 13:47:02,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:02,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:02,784 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 13:47:02,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:02,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167783586] [2025-02-06 13:47:02,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167783586] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:47:02,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:47:02,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:47:02,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59933974] [2025-02-06 13:47:02,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:47:02,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:47:02,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:02,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:47:02,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:47:02,785 INFO L87 Difference]: Start difference. First operand 299 states and 368 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-02-06 13:47:02,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:02,820 INFO L93 Difference]: Finished difference Result 299 states and 368 transitions. [2025-02-06 13:47:02,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:47:02,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 88 [2025-02-06 13:47:02,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:02,821 INFO L225 Difference]: With dead ends: 299 [2025-02-06 13:47:02,821 INFO L226 Difference]: Without dead ends: 298 [2025-02-06 13:47:02,821 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 13:47:02,822 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 1 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:02,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 275 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:47:02,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2025-02-06 13:47:02,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2025-02-06 13:47:02,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 216 states have (on average 1.4907407407407407) internal successors, (322), 274 states have internal predecessors, (322), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:47:02,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 364 transitions. [2025-02-06 13:47:02,830 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 364 transitions. Word has length 88 [2025-02-06 13:47:02,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:02,830 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 364 transitions. [2025-02-06 13:47:02,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-02-06 13:47:02,830 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 364 transitions. [2025-02-06 13:47:02,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-02-06 13:47:02,831 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:02,831 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:02,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-02-06 13:47:02,832 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:02,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:02,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1863758875, now seen corresponding path program 1 times [2025-02-06 13:47:02,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:02,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114513422] [2025-02-06 13:47:02,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:02,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:02,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-06 13:47:02,839 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-06 13:47:02,839 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:02,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:02,904 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 13:47:02,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:02,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114513422] [2025-02-06 13:47:02,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114513422] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:47:02,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:47:02,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:47:02,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706735114] [2025-02-06 13:47:02,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:47:02,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:47:02,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:02,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:47:02,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:47:02,905 INFO L87 Difference]: Start difference. First operand 298 states and 364 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 13:47:03,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:03,347 INFO L93 Difference]: Finished difference Result 302 states and 365 transitions. [2025-02-06 13:47:03,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:47:03,347 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 89 [2025-02-06 13:47:03,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:03,348 INFO L225 Difference]: With dead ends: 302 [2025-02-06 13:47:03,348 INFO L226 Difference]: Without dead ends: 301 [2025-02-06 13:47:03,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:47:03,349 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 248 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:03,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 195 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:47:03,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2025-02-06 13:47:03,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 298. [2025-02-06 13:47:03,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 216 states have (on average 1.4861111111111112) internal successors, (321), 274 states have internal predecessors, (321), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:47:03,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 363 transitions. [2025-02-06 13:47:03,357 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 363 transitions. Word has length 89 [2025-02-06 13:47:03,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:03,357 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 363 transitions. [2025-02-06 13:47:03,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 13:47:03,357 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 363 transitions. [2025-02-06 13:47:03,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-06 13:47:03,358 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:03,358 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:03,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-02-06 13:47:03,358 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:03,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:03,358 INFO L85 PathProgramCache]: Analyzing trace with hash 69778008, now seen corresponding path program 1 times [2025-02-06 13:47:03,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:03,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101405698] [2025-02-06 13:47:03,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:03,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:03,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-06 13:47:03,365 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-06 13:47:03,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:03,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:03,427 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 13:47:03,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:03,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101405698] [2025-02-06 13:47:03,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101405698] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:47:03,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:47:03,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:47:03,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740314520] [2025-02-06 13:47:03,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:47:03,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:47:03,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:03,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:47:03,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:47:03,428 INFO L87 Difference]: Start difference. First operand 298 states and 363 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 13:47:03,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:03,467 INFO L93 Difference]: Finished difference Result 313 states and 374 transitions. [2025-02-06 13:47:03,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:47:03,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 91 [2025-02-06 13:47:03,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:03,469 INFO L225 Difference]: With dead ends: 313 [2025-02-06 13:47:03,469 INFO L226 Difference]: Without dead ends: 312 [2025-02-06 13:47:03,469 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:47:03,469 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 14 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:03,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 421 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:47:03,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2025-02-06 13:47:03,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 303. [2025-02-06 13:47:03,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 221 states have (on average 1.4751131221719458) internal successors, (326), 279 states have internal predecessors, (326), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:47:03,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 368 transitions. [2025-02-06 13:47:03,478 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 368 transitions. Word has length 91 [2025-02-06 13:47:03,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:03,478 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 368 transitions. [2025-02-06 13:47:03,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 13:47:03,478 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 368 transitions. [2025-02-06 13:47:03,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-02-06 13:47:03,479 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:03,479 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:03,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-02-06 13:47:03,479 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:03,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:03,479 INFO L85 PathProgramCache]: Analyzing trace with hash -2131849041, now seen corresponding path program 1 times [2025-02-06 13:47:03,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:03,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64363505] [2025-02-06 13:47:03,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:03,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:03,483 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-02-06 13:47:03,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-02-06 13:47:03,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:03,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:47:03,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1602334527] [2025-02-06 13:47:03,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:03,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:03,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:47:03,491 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:47:03,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-06 13:47:03,517 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-02-06 13:47:03,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-02-06 13:47:03,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:03,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:03,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:47:03,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:47:03,661 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 13:47:03,661 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:47:03,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:03,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64363505] [2025-02-06 13:47:03,661 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:47:03,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602334527] [2025-02-06 13:47:03,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602334527] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:47:03,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:47:03,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:47:03,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609591982] [2025-02-06 13:47:03,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:47:03,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:47:03,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:03,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:47:03,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:47:03,662 INFO L87 Difference]: Start difference. First operand 303 states and 368 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 13:47:03,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:03,836 INFO L93 Difference]: Finished difference Result 313 states and 372 transitions. [2025-02-06 13:47:03,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:47:03,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 92 [2025-02-06 13:47:03,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:03,837 INFO L225 Difference]: With dead ends: 313 [2025-02-06 13:47:03,837 INFO L226 Difference]: Without dead ends: 312 [2025-02-06 13:47:03,837 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:47:03,838 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 15 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:03,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 296 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:47:03,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2025-02-06 13:47:03,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 305. [2025-02-06 13:47:03,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 223 states have (on average 1.4708520179372198) internal successors, (328), 281 states have internal predecessors, (328), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:47:03,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 370 transitions. [2025-02-06 13:47:03,852 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 370 transitions. Word has length 92 [2025-02-06 13:47:03,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:03,852 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 370 transitions. [2025-02-06 13:47:03,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 13:47:03,852 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 370 transitions. [2025-02-06 13:47:03,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-02-06 13:47:03,852 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:03,853 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:47:03,861 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-02-06 13:47:04,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:04,053 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:04,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:04,054 INFO L85 PathProgramCache]: Analyzing trace with hash -568220137, now seen corresponding path program 1 times [2025-02-06 13:47:04,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:04,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142243006] [2025-02-06 13:47:04,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:04,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:04,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-06 13:47:04,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-06 13:47:04,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:04,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:47:04,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [607589031] [2025-02-06 13:47:04,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:04,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:04,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:47:04,071 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:47:04,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-06 13:47:04,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-06 13:47:04,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-06 13:47:04,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:04,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:04,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:47:04,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:47:04,282 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-06 13:47:04,282 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:47:04,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:04,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142243006] [2025-02-06 13:47:04,333 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:47:04,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607589031] [2025-02-06 13:47:04,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607589031] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:47:04,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:47:04,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:47:04,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352619828] [2025-02-06 13:47:04,333 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:47:04,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:47:04,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:04,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:47:04,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:47:04,334 INFO L87 Difference]: Start difference. First operand 305 states and 370 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 13:47:04,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:04,684 INFO L93 Difference]: Finished difference Result 308 states and 370 transitions. [2025-02-06 13:47:04,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:47:04,685 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 93 [2025-02-06 13:47:04,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:04,686 INFO L225 Difference]: With dead ends: 308 [2025-02-06 13:47:04,686 INFO L226 Difference]: Without dead ends: 306 [2025-02-06 13:47:04,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:47:04,686 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 198 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:04,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 513 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:47:04,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2025-02-06 13:47:04,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 305. [2025-02-06 13:47:04,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 223 states have (on average 1.4618834080717489) internal successors, (326), 281 states have internal predecessors, (326), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:47:04,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 368 transitions. [2025-02-06 13:47:04,695 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 368 transitions. Word has length 93 [2025-02-06 13:47:04,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:04,695 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 368 transitions. [2025-02-06 13:47:04,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 13:47:04,695 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 368 transitions. [2025-02-06 13:47:04,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-02-06 13:47:04,695 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:04,696 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:47:04,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-02-06 13:47:04,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:04,896 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:04,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:04,897 INFO L85 PathProgramCache]: Analyzing trace with hash -434954965, now seen corresponding path program 1 times [2025-02-06 13:47:04,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:04,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670178053] [2025-02-06 13:47:04,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:04,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:04,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-06 13:47:04,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-06 13:47:04,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:04,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:47:04,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1659814802] [2025-02-06 13:47:04,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:04,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:04,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:47:04,908 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:47:04,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-06 13:47:04,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-06 13:47:04,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-06 13:47:04,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:04,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:04,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 13:47:04,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:47:05,171 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-06 13:47:05,172 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:47:05,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:05,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670178053] [2025-02-06 13:47:05,310 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:47:05,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659814802] [2025-02-06 13:47:05,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659814802] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:47:05,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:47:05,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 13:47:05,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661726501] [2025-02-06 13:47:05,311 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:47:05,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:47:05,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:05,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:47:05,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:47:05,311 INFO L87 Difference]: Start difference. First operand 305 states and 368 transitions. Second operand has 9 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 13:47:05,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:05,675 INFO L93 Difference]: Finished difference Result 355 states and 425 transitions. [2025-02-06 13:47:05,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:47:05,676 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 94 [2025-02-06 13:47:05,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:05,677 INFO L225 Difference]: With dead ends: 355 [2025-02-06 13:47:05,677 INFO L226 Difference]: Without dead ends: 353 [2025-02-06 13:47:05,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:47:05,677 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 467 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:05,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [472 Valid, 357 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:47:05,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2025-02-06 13:47:05,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 351. [2025-02-06 13:47:05,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 265 states have (on average 1.4037735849056603) internal successors, (372), 323 states have internal predecessors, (372), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:47:05,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 422 transitions. [2025-02-06 13:47:05,717 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 422 transitions. Word has length 94 [2025-02-06 13:47:05,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:05,717 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 422 transitions. [2025-02-06 13:47:05,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 13:47:05,721 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 422 transitions. [2025-02-06 13:47:05,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-06 13:47:05,722 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:05,722 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:05,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-02-06 13:47:05,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:05,923 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:05,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:05,923 INFO L85 PathProgramCache]: Analyzing trace with hash -233369580, now seen corresponding path program 1 times [2025-02-06 13:47:05,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:05,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518091424] [2025-02-06 13:47:05,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:05,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:05,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-06 13:47:05,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-06 13:47:05,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:05,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:06,020 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 13:47:06,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:06,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518091424] [2025-02-06 13:47:06,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518091424] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:47:06,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:47:06,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:47:06,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481279751] [2025-02-06 13:47:06,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:47:06,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:47:06,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:06,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:47:06,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:47:06,026 INFO L87 Difference]: Start difference. First operand 351 states and 422 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 13:47:06,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:06,167 INFO L93 Difference]: Finished difference Result 365 states and 432 transitions. [2025-02-06 13:47:06,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:47:06,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 95 [2025-02-06 13:47:06,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:06,169 INFO L225 Difference]: With dead ends: 365 [2025-02-06 13:47:06,169 INFO L226 Difference]: Without dead ends: 364 [2025-02-06 13:47:06,169 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:47:06,169 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 14 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:06,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 419 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:47:06,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2025-02-06 13:47:06,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 356. [2025-02-06 13:47:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 270 states have (on average 1.4037037037037037) internal successors, (379), 328 states have internal predecessors, (379), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:47:06,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 429 transitions. [2025-02-06 13:47:06,191 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 429 transitions. Word has length 95 [2025-02-06 13:47:06,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:06,192 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 429 transitions. [2025-02-06 13:47:06,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 13:47:06,192 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 429 transitions. [2025-02-06 13:47:06,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-06 13:47:06,196 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:06,196 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:47:06,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-02-06 13:47:06,196 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:06,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:06,196 INFO L85 PathProgramCache]: Analyzing trace with hash -598701931, now seen corresponding path program 1 times [2025-02-06 13:47:06,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:06,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107506021] [2025-02-06 13:47:06,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:06,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:06,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-06 13:47:06,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-06 13:47:06,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:06,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:06,255 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 13:47:06,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:06,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107506021] [2025-02-06 13:47:06,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107506021] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:47:06,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:47:06,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:47:06,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5925133] [2025-02-06 13:47:06,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:47:06,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:47:06,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:06,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:47:06,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:47:06,256 INFO L87 Difference]: Start difference. First operand 356 states and 429 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-02-06 13:47:06,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:06,528 INFO L93 Difference]: Finished difference Result 387 states and 429 transitions. [2025-02-06 13:47:06,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:47:06,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 95 [2025-02-06 13:47:06,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:06,530 INFO L225 Difference]: With dead ends: 387 [2025-02-06 13:47:06,530 INFO L226 Difference]: Without dead ends: 386 [2025-02-06 13:47:06,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:47:06,530 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 133 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:06,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 537 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:47:06,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2025-02-06 13:47:06,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 356. [2025-02-06 13:47:06,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 270 states have (on average 1.3925925925925926) internal successors, (376), 328 states have internal predecessors, (376), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:47:06,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 426 transitions. [2025-02-06 13:47:06,554 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 426 transitions. Word has length 95 [2025-02-06 13:47:06,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:06,554 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 426 transitions. [2025-02-06 13:47:06,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-02-06 13:47:06,554 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 426 transitions. [2025-02-06 13:47:06,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-06 13:47:06,555 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:06,555 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:47:06,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-02-06 13:47:06,555 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:06,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:06,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1355477611, now seen corresponding path program 1 times [2025-02-06 13:47:06,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:06,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981717882] [2025-02-06 13:47:06,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:06,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:06,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 13:47:06,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 13:47:06,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:06,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:47:06,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [352577565] [2025-02-06 13:47:06,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:06,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:06,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:47:06,570 INFO L229 MonitoredProcess]: Starting monitored process 31 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 13:47:06,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-06 13:47:06,596 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 13:47:06,611 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 13:47:06,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:06,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:06,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:47:06,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:47:06,731 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 13:47:06,731 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:47:06,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:06,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981717882] [2025-02-06 13:47:06,731 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:47:06,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352577565] [2025-02-06 13:47:06,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352577565] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:47:06,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:47:06,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:47:06,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106542049] [2025-02-06 13:47:06,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:47:06,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:47:06,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:06,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:47:06,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:47:06,733 INFO L87 Difference]: Start difference. First operand 356 states and 426 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 13:47:06,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:06,870 INFO L93 Difference]: Finished difference Result 363 states and 429 transitions. [2025-02-06 13:47:06,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:47:06,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 96 [2025-02-06 13:47:06,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:06,871 INFO L225 Difference]: With dead ends: 363 [2025-02-06 13:47:06,871 INFO L226 Difference]: Without dead ends: 362 [2025-02-06 13:47:06,872 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:47:06,872 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 56 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:06,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 495 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:47:06,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2025-02-06 13:47:06,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 358. [2025-02-06 13:47:06,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 272 states have (on average 1.3897058823529411) internal successors, (378), 330 states have internal predecessors, (378), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:47:06,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 428 transitions. [2025-02-06 13:47:06,885 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 428 transitions. Word has length 96 [2025-02-06 13:47:06,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:06,885 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 428 transitions. [2025-02-06 13:47:06,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 13:47:06,885 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 428 transitions. [2025-02-06 13:47:06,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-06 13:47:06,886 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:06,886 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:47:06,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-02-06 13:47:07,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-06 13:47:07,087 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:07,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:07,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1379890583, now seen corresponding path program 1 times [2025-02-06 13:47:07,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:07,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745884238] [2025-02-06 13:47:07,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:07,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:07,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 13:47:07,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 13:47:07,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:07,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:47:07,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1306041784] [2025-02-06 13:47:07,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:07,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:07,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:47:07,101 INFO L229 MonitoredProcess]: Starting monitored process 32 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 13:47:07,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-06 13:47:07,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 13:47:07,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 13:47:07,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:07,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:07,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-06 13:47:07,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:47:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 13:47:07,287 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:47:07,411 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2025-02-06 13:47:07,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:07,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745884238] [2025-02-06 13:47:07,411 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:47:07,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306041784] [2025-02-06 13:47:07,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306041784] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-06 13:47:07,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:47:07,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2025-02-06 13:47:07,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107321710] [2025-02-06 13:47:07,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:47:07,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:47:07,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:07,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:47:07,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:47:07,413 INFO L87 Difference]: Start difference. First operand 358 states and 428 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 13:47:07,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:07,952 INFO L93 Difference]: Finished difference Result 362 states and 428 transitions. [2025-02-06 13:47:07,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:47:07,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 96 [2025-02-06 13:47:07,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:07,953 INFO L225 Difference]: With dead ends: 362 [2025-02-06 13:47:07,953 INFO L226 Difference]: Without dead ends: 361 [2025-02-06 13:47:07,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:47:07,954 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 225 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:07,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 268 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:47:07,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-02-06 13:47:07,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 358. [2025-02-06 13:47:07,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 272 states have (on average 1.3786764705882353) internal successors, (375), 330 states have internal predecessors, (375), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:47:07,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 425 transitions. [2025-02-06 13:47:07,966 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 425 transitions. Word has length 96 [2025-02-06 13:47:07,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:07,966 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 425 transitions. [2025-02-06 13:47:07,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 13:47:07,966 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 425 transitions. [2025-02-06 13:47:07,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-06 13:47:07,967 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:07,967 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:47:07,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-02-06 13:47:08,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-02-06 13:47:08,171 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:08,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:08,172 INFO L85 PathProgramCache]: Analyzing trace with hash -248900651, now seen corresponding path program 1 times [2025-02-06 13:47:08,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:08,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774774391] [2025-02-06 13:47:08,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:08,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:08,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-06 13:47:08,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 13:47:08,185 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:08,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:08,287 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-06 13:47:08,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:08,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774774391] [2025-02-06 13:47:08,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774774391] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:47:08,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739928433] [2025-02-06 13:47:08,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:08,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:08,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:47:08,289 INFO L229 MonitoredProcess]: Starting monitored process 33 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 13:47:08,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-02-06 13:47:08,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-06 13:47:08,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 13:47:08,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:08,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:08,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:47:08,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:47:08,406 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-06 13:47:08,407 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:47:08,508 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-06 13:47:08,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739928433] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:47:08,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:47:08,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2025-02-06 13:47:08,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922305788] [2025-02-06 13:47:08,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:47:08,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:47:08,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:08,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:47:08,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:47:08,509 INFO L87 Difference]: Start difference. First operand 358 states and 425 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-06 13:47:09,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:09,060 INFO L93 Difference]: Finished difference Result 750 states and 859 transitions. [2025-02-06 13:47:09,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 13:47:09,061 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 99 [2025-02-06 13:47:09,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:09,063 INFO L225 Difference]: With dead ends: 750 [2025-02-06 13:47:09,063 INFO L226 Difference]: Without dead ends: 721 [2025-02-06 13:47:09,063 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 193 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:47:09,063 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 715 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 720 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:09,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [720 Valid, 710 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:47:09,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2025-02-06 13:47:09,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 514. [2025-02-06 13:47:09,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 416 states have (on average 1.5360576923076923) internal successors, (639), 474 states have internal predecessors, (639), 37 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2025-02-06 13:47:09,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 713 transitions. [2025-02-06 13:47:09,080 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 713 transitions. Word has length 99 [2025-02-06 13:47:09,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:09,080 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 713 transitions. [2025-02-06 13:47:09,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 8 states have internal predecessors, (70), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-06 13:47:09,081 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 713 transitions. [2025-02-06 13:47:09,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-02-06 13:47:09,081 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:09,081 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:47:09,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-02-06 13:47:09,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-02-06 13:47:09,282 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:09,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:09,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1880666714, now seen corresponding path program 1 times [2025-02-06 13:47:09,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:09,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159144628] [2025-02-06 13:47:09,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:09,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:09,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-06 13:47:09,295 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-06 13:47:09,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:09,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:09,460 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-06 13:47:09,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:09,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159144628] [2025-02-06 13:47:09,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159144628] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:47:09,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921394149] [2025-02-06 13:47:09,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:09,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:09,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:47:09,463 INFO L229 MonitoredProcess]: Starting monitored process 34 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 13:47:09,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-02-06 13:47:09,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-02-06 13:47:09,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-02-06 13:47:09,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:09,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:09,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:47:09,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:47:09,621 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 13:47:09,621 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:47:09,758 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 13:47:09,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921394149] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:47:09,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:47:09,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 18 [2025-02-06 13:47:09,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597173759] [2025-02-06 13:47:09,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:47:09,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-06 13:47:09,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:09,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-06 13:47:09,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2025-02-06 13:47:09,760 INFO L87 Difference]: Start difference. First operand 514 states and 713 transitions. Second operand has 19 states, 18 states have (on average 10.722222222222221) internal successors, (193), 18 states have internal predecessors, (193), 8 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 7 states have call predecessors, (24), 8 states have call successors, (24) [2025-02-06 13:47:16,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 13:47:21,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 13:47:21,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:21,839 INFO L93 Difference]: Finished difference Result 1749 states and 2105 transitions. [2025-02-06 13:47:21,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2025-02-06 13:47:21,839 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 10.722222222222221) internal successors, (193), 18 states have internal predecessors, (193), 8 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 7 states have call predecessors, (24), 8 states have call successors, (24) Word has length 102 [2025-02-06 13:47:21,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:21,843 INFO L225 Difference]: With dead ends: 1749 [2025-02-06 13:47:21,844 INFO L226 Difference]: Without dead ends: 1748 [2025-02-06 13:47:21,845 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2321 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1350, Invalid=5292, Unknown=0, NotChecked=0, Total=6642 [2025-02-06 13:47:21,846 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 3061 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 2835 mSolverCounterSat, 172 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3061 SdHoareTripleChecker+Valid, 1227 SdHoareTripleChecker+Invalid, 3009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 2835 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:21,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3061 Valid, 1227 Invalid, 3009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 2835 Invalid, 2 Unknown, 0 Unchecked, 11.1s Time] [2025-02-06 13:47:21,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1748 states. [2025-02-06 13:47:21,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1748 to 870. [2025-02-06 13:47:21,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 744 states have (on average 1.6612903225806452) internal successors, (1236), 802 states have internal predecessors, (1236), 65 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-02-06 13:47:21,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1366 transitions. [2025-02-06 13:47:21,921 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1366 transitions. Word has length 102 [2025-02-06 13:47:21,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:21,925 INFO L471 AbstractCegarLoop]: Abstraction has 870 states and 1366 transitions. [2025-02-06 13:47:21,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 10.722222222222221) internal successors, (193), 18 states have internal predecessors, (193), 8 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 7 states have call predecessors, (24), 8 states have call successors, (24) [2025-02-06 13:47:21,925 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1366 transitions. [2025-02-06 13:47:21,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-06 13:47:21,925 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:21,926 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:47:21,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-02-06 13:47:22,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:22,126 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:22,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:22,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1828874104, now seen corresponding path program 1 times [2025-02-06 13:47:22,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:22,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972036653] [2025-02-06 13:47:22,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:22,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:22,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-06 13:47:22,141 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-06 13:47:22,142 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:22,142 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:47:22,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1097288333] [2025-02-06 13:47:22,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:22,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:22,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:47:22,145 INFO L229 MonitoredProcess]: Starting monitored process 35 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 13:47:22,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-02-06 13:47:22,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-06 13:47:22,196 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-06 13:47:22,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:22,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:22,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:47:22,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:47:22,292 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 13:47:22,292 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:47:22,414 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 13:47:22,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:22,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972036653] [2025-02-06 13:47:22,414 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:47:22,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097288333] [2025-02-06 13:47:22,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097288333] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:47:22,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:47:22,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-06 13:47:22,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590843640] [2025-02-06 13:47:22,415 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:47:22,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:47:22,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:22,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:47:22,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:47:22,417 INFO L87 Difference]: Start difference. First operand 870 states and 1366 transitions. Second operand has 10 states, 9 states have (on average 14.555555555555555) internal successors, (131), 10 states have internal predecessors, (131), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 13:47:26,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 13:47:30,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 13:47:31,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:31,533 INFO L93 Difference]: Finished difference Result 1384 states and 2142 transitions. [2025-02-06 13:47:31,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 13:47:31,534 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.555555555555555) internal successors, (131), 10 states have internal predecessors, (131), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 103 [2025-02-06 13:47:31,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:31,537 INFO L225 Difference]: With dead ends: 1384 [2025-02-06 13:47:31,538 INFO L226 Difference]: Without dead ends: 1383 [2025-02-06 13:47:31,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2025-02-06 13:47:31,538 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 698 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 36 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:31,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [699 Valid, 677 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 792 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2025-02-06 13:47:31,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2025-02-06 13:47:31,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1082. [2025-02-06 13:47:31,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 940 states have (on average 1.6797872340425533) internal successors, (1579), 998 states have internal predecessors, (1579), 81 states have call successors, (81), 2 states have call predecessors, (81), 2 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2025-02-06 13:47:31,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1741 transitions. [2025-02-06 13:47:31,579 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1741 transitions. Word has length 103 [2025-02-06 13:47:31,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:31,579 INFO L471 AbstractCegarLoop]: Abstraction has 1082 states and 1741 transitions. [2025-02-06 13:47:31,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.555555555555555) internal successors, (131), 10 states have internal predecessors, (131), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 13:47:31,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1741 transitions. [2025-02-06 13:47:31,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-02-06 13:47:31,580 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:31,580 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:47:31,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-02-06 13:47:31,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-02-06 13:47:31,781 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:31,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:31,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1845016586, now seen corresponding path program 1 times [2025-02-06 13:47:31,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:31,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381736116] [2025-02-06 13:47:31,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:31,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:31,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-02-06 13:47:31,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-02-06 13:47:31,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:31,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:47:31,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [44152932] [2025-02-06 13:47:31,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:31,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:31,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:47:31,814 INFO L229 MonitoredProcess]: Starting monitored process 36 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 13:47:31,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-02-06 13:47:31,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-02-06 13:47:31,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-02-06 13:47:31,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:31,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:31,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:47:31,862 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:47:32,150 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-06 13:47:32,151 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:47:32,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:32,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381736116] [2025-02-06 13:47:32,210 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:47:32,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44152932] [2025-02-06 13:47:32,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44152932] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:47:32,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:47:32,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:47:32,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053665626] [2025-02-06 13:47:32,211 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:47:32,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:47:32,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:32,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:47:32,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:47:32,212 INFO L87 Difference]: Start difference. First operand 1082 states and 1741 transitions. Second operand has 8 states, 6 states have (on average 12.166666666666666) internal successors, (73), 7 states have internal predecessors, (73), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-06 13:47:32,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:32,516 INFO L93 Difference]: Finished difference Result 1295 states and 2064 transitions. [2025-02-06 13:47:32,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:47:32,516 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 12.166666666666666) internal successors, (73), 7 states have internal predecessors, (73), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 109 [2025-02-06 13:47:32,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:32,520 INFO L225 Difference]: With dead ends: 1295 [2025-02-06 13:47:32,520 INFO L226 Difference]: Without dead ends: 1293 [2025-02-06 13:47:32,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:47:32,522 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 287 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:32,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 519 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:47:32,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2025-02-06 13:47:32,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1237. [2025-02-06 13:47:32,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1237 states, 1082 states have (on average 1.6950092421441774) internal successors, (1834), 1140 states have internal predecessors, (1834), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2025-02-06 13:47:32,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1237 states and 2022 transitions. [2025-02-06 13:47:32,569 INFO L78 Accepts]: Start accepts. Automaton has 1237 states and 2022 transitions. Word has length 109 [2025-02-06 13:47:32,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:32,570 INFO L471 AbstractCegarLoop]: Abstraction has 1237 states and 2022 transitions. [2025-02-06 13:47:32,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 12.166666666666666) internal successors, (73), 7 states have internal predecessors, (73), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-06 13:47:32,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 2022 transitions. [2025-02-06 13:47:32,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-02-06 13:47:32,570 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:32,570 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:47:32,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-02-06 13:47:32,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-02-06 13:47:32,772 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:32,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:32,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1360939229, now seen corresponding path program 1 times [2025-02-06 13:47:32,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:32,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462507272] [2025-02-06 13:47:32,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:32,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:32,776 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 13:47:32,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 13:47:32,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:32,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:47:32,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1461290505] [2025-02-06 13:47:32,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:32,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:32,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:47:32,789 INFO L229 MonitoredProcess]: Starting monitored process 37 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 13:47:32,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-02-06 13:47:32,816 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 13:47:32,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 13:47:32,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:32,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:32,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:47:32,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:47:33,072 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-06 13:47:33,073 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:47:33,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:33,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462507272] [2025-02-06 13:47:33,270 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:47:33,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461290505] [2025-02-06 13:47:33,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461290505] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:47:33,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:47:33,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:47:33,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687435900] [2025-02-06 13:47:33,271 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:47:33,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:47:33,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:33,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:47:33,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:47:33,272 INFO L87 Difference]: Start difference. First operand 1237 states and 2022 transitions. Second operand has 8 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-06 13:47:33,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:33,646 INFO L93 Difference]: Finished difference Result 1295 states and 2059 transitions. [2025-02-06 13:47:33,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:47:33,646 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 110 [2025-02-06 13:47:33,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:33,649 INFO L225 Difference]: With dead ends: 1295 [2025-02-06 13:47:33,649 INFO L226 Difference]: Without dead ends: 1293 [2025-02-06 13:47:33,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:47:33,650 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 243 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:33,650 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 403 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:47:33,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2025-02-06 13:47:33,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1238. [2025-02-06 13:47:33,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1238 states, 1083 states have (on average 1.69067405355494) internal successors, (1831), 1141 states have internal predecessors, (1831), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2025-02-06 13:47:33,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1238 states and 2019 transitions. [2025-02-06 13:47:33,685 INFO L78 Accepts]: Start accepts. Automaton has 1238 states and 2019 transitions. Word has length 110 [2025-02-06 13:47:33,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:33,685 INFO L471 AbstractCegarLoop]: Abstraction has 1238 states and 2019 transitions. [2025-02-06 13:47:33,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 12.333333333333334) internal successors, (74), 7 states have internal predecessors, (74), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-06 13:47:33,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 2019 transitions. [2025-02-06 13:47:33,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-02-06 13:47:33,686 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:33,686 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:47:33,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-02-06 13:47:33,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:33,887 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:33,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:33,887 INFO L85 PathProgramCache]: Analyzing trace with hash 760556948, now seen corresponding path program 1 times [2025-02-06 13:47:33,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:33,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858381977] [2025-02-06 13:47:33,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:33,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:33,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-02-06 13:47:33,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-02-06 13:47:33,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:33,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:47:33,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1734402037] [2025-02-06 13:47:33,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:33,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:33,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:47:33,909 INFO L229 MonitoredProcess]: Starting monitored process 38 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 13:47:33,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-02-06 13:47:33,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-02-06 13:47:33,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-02-06 13:47:33,954 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:33,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:33,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:47:33,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:47:34,223 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-06 13:47:34,223 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:47:34,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:34,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858381977] [2025-02-06 13:47:34,293 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:47:34,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734402037] [2025-02-06 13:47:34,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734402037] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:47:34,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:47:34,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:47:34,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889951369] [2025-02-06 13:47:34,293 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:47:34,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:47:34,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:34,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:47:34,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:47:34,298 INFO L87 Difference]: Start difference. First operand 1238 states and 2019 transitions. Second operand has 8 states, 6 states have (on average 12.5) internal successors, (75), 7 states have internal predecessors, (75), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-06 13:47:34,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:34,694 INFO L93 Difference]: Finished difference Result 1271 states and 2026 transitions. [2025-02-06 13:47:34,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:47:34,695 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 12.5) internal successors, (75), 7 states have internal predecessors, (75), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 111 [2025-02-06 13:47:34,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:34,699 INFO L225 Difference]: With dead ends: 1271 [2025-02-06 13:47:34,700 INFO L226 Difference]: Without dead ends: 1269 [2025-02-06 13:47:34,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:47:34,705 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 303 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:34,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 413 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:47:34,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2025-02-06 13:47:34,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1238. [2025-02-06 13:47:34,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1238 states, 1083 states have (on average 1.6860572483841183) internal successors, (1826), 1141 states have internal predecessors, (1826), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2025-02-06 13:47:34,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1238 states and 2014 transitions. [2025-02-06 13:47:34,745 INFO L78 Accepts]: Start accepts. Automaton has 1238 states and 2014 transitions. Word has length 111 [2025-02-06 13:47:34,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:34,745 INFO L471 AbstractCegarLoop]: Abstraction has 1238 states and 2014 transitions. [2025-02-06 13:47:34,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 12.5) internal successors, (75), 7 states have internal predecessors, (75), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-06 13:47:34,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 2014 transitions. [2025-02-06 13:47:34,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-02-06 13:47:34,746 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:34,746 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:47:34,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-02-06 13:47:34,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:34,947 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:34,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:34,947 INFO L85 PathProgramCache]: Analyzing trace with hash 2102428993, now seen corresponding path program 1 times [2025-02-06 13:47:34,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:34,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405806830] [2025-02-06 13:47:34,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:34,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:34,952 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-02-06 13:47:34,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-02-06 13:47:34,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:34,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:47:34,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [812527215] [2025-02-06 13:47:34,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:34,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:34,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:47:34,968 INFO L229 MonitoredProcess]: Starting monitored process 39 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 13:47:34,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-02-06 13:47:34,998 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-02-06 13:47:35,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-02-06 13:47:35,019 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:35,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:35,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:47:35,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:47:35,266 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-06 13:47:35,266 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:47:35,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:35,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405806830] [2025-02-06 13:47:35,463 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:47:35,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812527215] [2025-02-06 13:47:35,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812527215] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:47:35,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:47:35,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:47:35,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187983092] [2025-02-06 13:47:35,463 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:47:35,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:47:35,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:35,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:47:35,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:47:35,465 INFO L87 Difference]: Start difference. First operand 1238 states and 2014 transitions. Second operand has 8 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-06 13:47:35,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:35,783 INFO L93 Difference]: Finished difference Result 1271 states and 2021 transitions. [2025-02-06 13:47:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:47:35,783 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 112 [2025-02-06 13:47:35,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:35,791 INFO L225 Difference]: With dead ends: 1271 [2025-02-06 13:47:35,791 INFO L226 Difference]: Without dead ends: 1269 [2025-02-06 13:47:35,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:47:35,792 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 349 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:35,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 537 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:47:35,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2025-02-06 13:47:35,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1238. [2025-02-06 13:47:35,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1238 states, 1083 states have (on average 1.6814404432132963) internal successors, (1821), 1141 states have internal predecessors, (1821), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2025-02-06 13:47:35,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1238 states and 2009 transitions. [2025-02-06 13:47:35,839 INFO L78 Accepts]: Start accepts. Automaton has 1238 states and 2009 transitions. Word has length 112 [2025-02-06 13:47:35,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:35,841 INFO L471 AbstractCegarLoop]: Abstraction has 1238 states and 2009 transitions. [2025-02-06 13:47:35,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 12.666666666666666) internal successors, (76), 7 states have internal predecessors, (76), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-06 13:47:35,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 2009 transitions. [2025-02-06 13:47:35,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-06 13:47:35,842 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:35,842 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:47:35,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2025-02-06 13:47:36,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2025-02-06 13:47:36,046 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:36,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:36,046 INFO L85 PathProgramCache]: Analyzing trace with hash 750789426, now seen corresponding path program 1 times [2025-02-06 13:47:36,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:36,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489232424] [2025-02-06 13:47:36,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:36,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:36,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-06 13:47:36,061 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 13:47:36,061 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:36,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:47:36,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [559036781] [2025-02-06 13:47:36,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:36,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:36,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:47:36,066 INFO L229 MonitoredProcess]: Starting monitored process 40 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 13:47:36,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-02-06 13:47:36,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-06 13:47:36,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 13:47:36,118 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:36,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:36,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 13:47:36,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:47:36,608 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-06 13:47:36,609 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:47:36,916 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-06 13:47:36,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:36,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489232424] [2025-02-06 13:47:36,916 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:47:36,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559036781] [2025-02-06 13:47:36,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559036781] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:47:36,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:47:36,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2025-02-06 13:47:36,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198447003] [2025-02-06 13:47:36,917 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:47:36,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-06 13:47:36,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:36,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-06 13:47:36,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:47:36,917 INFO L87 Difference]: Start difference. First operand 1238 states and 2009 transitions. Second operand has 17 states, 16 states have (on average 9.0625) internal successors, (145), 15 states have internal predecessors, (145), 9 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 8 states have call predecessors, (18), 9 states have call successors, (18) [2025-02-06 13:47:39,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:39,369 INFO L93 Difference]: Finished difference Result 1263 states and 2011 transitions. [2025-02-06 13:47:39,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-06 13:47:39,370 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 15 states have internal predecessors, (145), 9 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 8 states have call predecessors, (18), 9 states have call successors, (18) Word has length 113 [2025-02-06 13:47:39,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:39,375 INFO L225 Difference]: With dead ends: 1263 [2025-02-06 13:47:39,375 INFO L226 Difference]: Without dead ends: 1258 [2025-02-06 13:47:39,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=732, Unknown=0, NotChecked=0, Total=930 [2025-02-06 13:47:39,376 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 1155 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 1474 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1156 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 1604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:39,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1156 Valid, 368 Invalid, 1604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1474 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-02-06 13:47:39,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2025-02-06 13:47:39,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 1236. [2025-02-06 13:47:39,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1236 states, 1083 states have (on average 1.65466297322253) internal successors, (1792), 1139 states have internal predecessors, (1792), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2025-02-06 13:47:39,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1236 states and 1980 transitions. [2025-02-06 13:47:39,425 INFO L78 Accepts]: Start accepts. Automaton has 1236 states and 1980 transitions. Word has length 113 [2025-02-06 13:47:39,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:39,425 INFO L471 AbstractCegarLoop]: Abstraction has 1236 states and 1980 transitions. [2025-02-06 13:47:39,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 9.0625) internal successors, (145), 15 states have internal predecessors, (145), 9 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 8 states have call predecessors, (18), 9 states have call successors, (18) [2025-02-06 13:47:39,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1980 transitions. [2025-02-06 13:47:39,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-02-06 13:47:39,427 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:39,427 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:47:39,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2025-02-06 13:47:39,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,40 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:39,628 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:39,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:39,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1799635807, now seen corresponding path program 1 times [2025-02-06 13:47:39,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:39,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350922754] [2025-02-06 13:47:39,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:39,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:39,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-02-06 13:47:39,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-02-06 13:47:39,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:39,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:47:39,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1576894632] [2025-02-06 13:47:39,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:39,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:39,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:47:39,641 INFO L229 MonitoredProcess]: Starting monitored process 41 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 13:47:39,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-02-06 13:47:39,670 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-02-06 13:47:39,689 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-02-06 13:47:39,689 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:39,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:39,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-06 13:47:39,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:47:39,927 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-06 13:47:39,927 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:47:39,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:39,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350922754] [2025-02-06 13:47:39,984 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:47:39,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576894632] [2025-02-06 13:47:39,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576894632] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:47:39,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:47:39,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 13:47:39,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387353930] [2025-02-06 13:47:39,985 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:47:39,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:47:39,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:39,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:47:39,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:47:39,985 INFO L87 Difference]: Start difference. First operand 1236 states and 1980 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-06 13:47:40,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:40,347 INFO L93 Difference]: Finished difference Result 1269 states and 1986 transitions. [2025-02-06 13:47:40,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:47:40,347 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 114 [2025-02-06 13:47:40,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:40,350 INFO L225 Difference]: With dead ends: 1269 [2025-02-06 13:47:40,350 INFO L226 Difference]: Without dead ends: 1260 [2025-02-06 13:47:40,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:47:40,352 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 257 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:40,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 265 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:47:40,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2025-02-06 13:47:40,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1231. [2025-02-06 13:47:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1079 states have (on average 1.6524559777571826) internal successors, (1783), 1135 states have internal predecessors, (1783), 93 states have call successors, (93), 2 states have call predecessors, (93), 2 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2025-02-06 13:47:40,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1969 transitions. [2025-02-06 13:47:40,407 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1969 transitions. Word has length 114 [2025-02-06 13:47:40,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:40,407 INFO L471 AbstractCegarLoop]: Abstraction has 1231 states and 1969 transitions. [2025-02-06 13:47:40,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-06 13:47:40,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1969 transitions. [2025-02-06 13:47:40,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-06 13:47:40,408 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:40,408 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:47:40,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2025-02-06 13:47:40,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2025-02-06 13:47:40,610 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:40,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:40,611 INFO L85 PathProgramCache]: Analyzing trace with hash -930174700, now seen corresponding path program 1 times [2025-02-06 13:47:40,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:40,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016517032] [2025-02-06 13:47:40,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:40,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:40,615 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-06 13:47:40,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-06 13:47:40,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:40,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:47:40,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1059580253] [2025-02-06 13:47:40,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:40,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:40,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:47:40,623 INFO L229 MonitoredProcess]: Starting monitored process 42 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 13:47:40,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-02-06 13:47:40,649 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-06 13:47:40,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-06 13:47:40,668 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:40,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:40,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 13:47:40,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:47:40,996 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-02-06 13:47:40,996 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:47:53,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:47:53,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016517032] [2025-02-06 13:47:53,154 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:47:53,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059580253] [2025-02-06 13:47:53,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059580253] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:47:53,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:47:53,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 13:47:53,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379670212] [2025-02-06 13:47:53,155 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:47:53,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:47:53,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:47:53,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:47:53,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=96, Unknown=3, NotChecked=0, Total=132 [2025-02-06 13:47:53,155 INFO L87 Difference]: Start difference. First operand 1231 states and 1969 transitions. Second operand has 9 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-06 13:47:53,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:47:53,623 INFO L93 Difference]: Finished difference Result 1275 states and 2001 transitions. [2025-02-06 13:47:53,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:47:53,624 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 120 [2025-02-06 13:47:53,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:47:53,630 INFO L225 Difference]: With dead ends: 1275 [2025-02-06 13:47:53,630 INFO L226 Difference]: Without dead ends: 1272 [2025-02-06 13:47:53,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=33, Invalid=96, Unknown=3, NotChecked=0, Total=132 [2025-02-06 13:47:53,634 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 176 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:47:53,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 623 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:47:53,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2025-02-06 13:47:53,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1231. [2025-02-06 13:47:53,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1079 states have (on average 1.644114921223355) internal successors, (1774), 1135 states have internal predecessors, (1774), 93 states have call successors, (93), 2 states have call predecessors, (93), 2 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2025-02-06 13:47:53,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1960 transitions. [2025-02-06 13:47:53,689 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1960 transitions. Word has length 120 [2025-02-06 13:47:53,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:47:53,689 INFO L471 AbstractCegarLoop]: Abstraction has 1231 states and 1960 transitions. [2025-02-06 13:47:53,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-06 13:47:53,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1960 transitions. [2025-02-06 13:47:53,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-02-06 13:47:53,693 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:47:53,694 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:47:53,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2025-02-06 13:47:53,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-02-06 13:47:53,894 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:47:53,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:47:53,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1229355448, now seen corresponding path program 1 times [2025-02-06 13:47:53,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:47:53,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131558163] [2025-02-06 13:47:53,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:53,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:47:53,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-06 13:47:53,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-06 13:47:53,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:53,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:47:53,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1626020812] [2025-02-06 13:47:53,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:47:53,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:47:53,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:47:53,907 INFO L229 MonitoredProcess]: Starting monitored process 43 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 13:47:53,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-02-06 13:47:53,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-06 13:47:53,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-06 13:47:53,958 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:47:53,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:47:53,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 13:47:53,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:47:54,300 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-02-06 13:47:54,301 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:48:04,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:48:04,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131558163] [2025-02-06 13:48:04,716 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:48:04,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626020812] [2025-02-06 13:48:04,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626020812] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:48:04,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:48:04,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 13:48:04,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113230499] [2025-02-06 13:48:04,716 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:48:04,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:48:04,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:48:04,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:48:04,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=95, Unknown=2, NotChecked=0, Total=132 [2025-02-06 13:48:04,717 INFO L87 Difference]: Start difference. First operand 1231 states and 1960 transitions. Second operand has 9 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-06 13:48:05,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:48:05,078 INFO L93 Difference]: Finished difference Result 1275 states and 1992 transitions. [2025-02-06 13:48:05,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:48:05,078 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 121 [2025-02-06 13:48:05,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:48:05,081 INFO L225 Difference]: With dead ends: 1275 [2025-02-06 13:48:05,081 INFO L226 Difference]: Without dead ends: 1272 [2025-02-06 13:48:05,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=45, Invalid=109, Unknown=2, NotChecked=0, Total=156 [2025-02-06 13:48:05,082 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 240 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:48:05,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 440 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:48:05,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2025-02-06 13:48:05,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1231. [2025-02-06 13:48:05,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1079 states have (on average 1.6357738646895272) internal successors, (1765), 1135 states have internal predecessors, (1765), 93 states have call successors, (93), 2 states have call predecessors, (93), 2 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2025-02-06 13:48:05,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1951 transitions. [2025-02-06 13:48:05,138 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1951 transitions. Word has length 121 [2025-02-06 13:48:05,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:48:05,141 INFO L471 AbstractCegarLoop]: Abstraction has 1231 states and 1951 transitions. [2025-02-06 13:48:05,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-06 13:48:05,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1951 transitions. [2025-02-06 13:48:05,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-02-06 13:48:05,142 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:48:05,142 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:48:05,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2025-02-06 13:48:05,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-02-06 13:48:05,344 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:48:05,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:48:05,344 INFO L85 PathProgramCache]: Analyzing trace with hash -544686702, now seen corresponding path program 1 times [2025-02-06 13:48:05,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:48:05,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332218490] [2025-02-06 13:48:05,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:05,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:48:05,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-06 13:48:05,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-06 13:48:05,357 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:05,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:48:05,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [112728710] [2025-02-06 13:48:05,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:05,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:48:05,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:48:05,360 INFO L229 MonitoredProcess]: Starting monitored process 44 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 13:48:05,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-02-06 13:48:05,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-06 13:48:05,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-06 13:48:05,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:05,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:48:05,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 13:48:05,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:48:05,889 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-02-06 13:48:05,889 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:48:10,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:48:10,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332218490] [2025-02-06 13:48:10,084 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:48:10,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112728710] [2025-02-06 13:48:10,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112728710] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:48:10,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:48:10,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-06 13:48:10,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664697577] [2025-02-06 13:48:10,085 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:48:10,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:48:10,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:48:10,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:48:10,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=170, Unknown=1, NotChecked=0, Total=210 [2025-02-06 13:48:10,085 INFO L87 Difference]: Start difference. First operand 1231 states and 1951 transitions. Second operand has 11 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-06 13:48:10,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:48:10,880 INFO L93 Difference]: Finished difference Result 1262 states and 1981 transitions. [2025-02-06 13:48:10,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 13:48:10,881 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 122 [2025-02-06 13:48:10,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:48:10,883 INFO L225 Difference]: With dead ends: 1262 [2025-02-06 13:48:10,883 INFO L226 Difference]: Without dead ends: 1261 [2025-02-06 13:48:10,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=83, Invalid=336, Unknown=1, NotChecked=0, Total=420 [2025-02-06 13:48:10,884 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 405 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 1188 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 13:48:10,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 348 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1188 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 13:48:10,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1261 states. [2025-02-06 13:48:10,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1261 to 1231. [2025-02-06 13:48:10,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 1079 states have (on average 1.6348470806302131) internal successors, (1764), 1135 states have internal predecessors, (1764), 93 states have call successors, (93), 2 states have call predecessors, (93), 2 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2025-02-06 13:48:10,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1950 transitions. [2025-02-06 13:48:10,975 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1950 transitions. Word has length 122 [2025-02-06 13:48:10,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:48:10,975 INFO L471 AbstractCegarLoop]: Abstraction has 1231 states and 1950 transitions. [2025-02-06 13:48:10,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-06 13:48:10,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1950 transitions. [2025-02-06 13:48:10,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-02-06 13:48:10,975 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:48:10,975 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:48:10,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2025-02-06 13:48:11,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,44 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:48:11,176 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:48:11,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:48:11,176 INFO L85 PathProgramCache]: Analyzing trace with hash 294581494, now seen corresponding path program 1 times [2025-02-06 13:48:11,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:48:11,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232568016] [2025-02-06 13:48:11,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:11,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:48:11,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-06 13:48:11,198 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-06 13:48:11,198 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:11,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:48:11,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [441463978] [2025-02-06 13:48:11,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:11,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:48:11,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:48:11,201 INFO L229 MonitoredProcess]: Starting monitored process 45 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 13:48:11,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-02-06 13:48:11,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-06 13:48:11,252 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-06 13:48:11,252 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:11,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:48:11,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 13:48:11,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:48:11,638 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-02-06 13:48:11,638 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:48:11,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:48:11,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232568016] [2025-02-06 13:48:11,946 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:48:11,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441463978] [2025-02-06 13:48:11,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441463978] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:48:11,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:48:11,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-06 13:48:11,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339041579] [2025-02-06 13:48:11,946 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:48:11,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:48:11,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:48:11,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:48:11,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:48:11,947 INFO L87 Difference]: Start difference. First operand 1231 states and 1950 transitions. Second operand has 10 states, 8 states have (on average 10.25) internal successors, (82), 9 states have internal predecessors, (82), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-06 13:48:12,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:48:12,777 INFO L93 Difference]: Finished difference Result 2058 states and 3301 transitions. [2025-02-06 13:48:12,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 13:48:12,777 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 10.25) internal successors, (82), 9 states have internal predecessors, (82), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 123 [2025-02-06 13:48:12,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:48:12,788 INFO L225 Difference]: With dead ends: 2058 [2025-02-06 13:48:12,788 INFO L226 Difference]: Without dead ends: 2053 [2025-02-06 13:48:12,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:48:12,789 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 409 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 983 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 13:48:12,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 736 Invalid, 995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 983 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 13:48:12,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2053 states. [2025-02-06 13:48:12,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2053 to 1966. [2025-02-06 13:48:12,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1966 states, 1757 states have (on average 1.6710301650540695) internal successors, (2936), 1813 states have internal predecessors, (2936), 150 states have call successors, (150), 2 states have call predecessors, (150), 2 states have return successors, (150), 150 states have call predecessors, (150), 150 states have call successors, (150) [2025-02-06 13:48:12,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 3236 transitions. [2025-02-06 13:48:12,885 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 3236 transitions. Word has length 123 [2025-02-06 13:48:12,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:48:12,885 INFO L471 AbstractCegarLoop]: Abstraction has 1966 states and 3236 transitions. [2025-02-06 13:48:12,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 10.25) internal successors, (82), 9 states have internal predecessors, (82), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-06 13:48:12,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 3236 transitions. [2025-02-06 13:48:12,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-02-06 13:48:12,885 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:48:12,885 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:48:12,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2025-02-06 13:48:13,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2025-02-06 13:48:13,086 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:48:13,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:48:13,087 INFO L85 PathProgramCache]: Analyzing trace with hash 542091792, now seen corresponding path program 1 times [2025-02-06 13:48:13,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:48:13,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958102282] [2025-02-06 13:48:13,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:13,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:48:13,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-06 13:48:13,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-06 13:48:13,104 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:13,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:48:13,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1298445774] [2025-02-06 13:48:13,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:13,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:48:13,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:48:13,110 INFO L229 MonitoredProcess]: Starting monitored process 46 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 13:48:13,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-02-06 13:48:13,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-06 13:48:13,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-06 13:48:13,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:13,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:48:13,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-02-06 13:48:13,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:48:13,785 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-02-06 13:48:13,785 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:48:13,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:48:13,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958102282] [2025-02-06 13:48:13,967 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:48:13,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298445774] [2025-02-06 13:48:13,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298445774] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:48:13,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:48:13,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-06 13:48:13,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429447261] [2025-02-06 13:48:13,967 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:48:13,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:48:13,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:48:13,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:48:13,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:48:13,968 INFO L87 Difference]: Start difference. First operand 1966 states and 3236 transitions. Second operand has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-06 13:48:14,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:48:14,568 INFO L93 Difference]: Finished difference Result 1989 states and 3252 transitions. [2025-02-06 13:48:14,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:48:14,569 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 124 [2025-02-06 13:48:14,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:48:14,572 INFO L225 Difference]: With dead ends: 1989 [2025-02-06 13:48:14,572 INFO L226 Difference]: Without dead ends: 1986 [2025-02-06 13:48:14,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-02-06 13:48:14,573 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 286 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 1043 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:48:14,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 513 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1043 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:48:14,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2025-02-06 13:48:14,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1966. [2025-02-06 13:48:14,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1966 states, 1757 states have (on average 1.668184405236198) internal successors, (2931), 1813 states have internal predecessors, (2931), 150 states have call successors, (150), 2 states have call predecessors, (150), 2 states have return successors, (150), 150 states have call predecessors, (150), 150 states have call successors, (150) [2025-02-06 13:48:14,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 3231 transitions. [2025-02-06 13:48:14,636 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 3231 transitions. Word has length 124 [2025-02-06 13:48:14,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:48:14,636 INFO L471 AbstractCegarLoop]: Abstraction has 1966 states and 3231 transitions. [2025-02-06 13:48:14,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 9 states have internal predecessors, (83), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-06 13:48:14,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 3231 transitions. [2025-02-06 13:48:14,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-02-06 13:48:14,637 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:48:14,637 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:48:14,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2025-02-06 13:48:14,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-02-06 13:48:14,838 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2025-02-06 13:48:14,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:48:14,838 INFO L85 PathProgramCache]: Analyzing trace with hash -375023564, now seen corresponding path program 1 times [2025-02-06 13:48:14,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:48:14,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183616238] [2025-02-06 13:48:14,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:14,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:48:14,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-06 13:48:14,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-06 13:48:14,848 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:14,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:48:14,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [842156875] [2025-02-06 13:48:14,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:48:14,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:48:14,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:48:14,850 INFO L229 MonitoredProcess]: Starting monitored process 47 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 13:48:14,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-02-06 13:48:14,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-06 13:48:14,898 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-06 13:48:14,898 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:48:14,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:48:14,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-06 13:48:14,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:48:15,328 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:48:15,328 INFO L312 TraceCheckSpWp]: Computing backward predicates...