./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.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 2d26d8e14d33b8c29eaf9ffa7603dd26966f962451e6c0726b154a73bf65f3d2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 01:56:56,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 01:56:56,136 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 01:56:56,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 01:56:56,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 01:56:56,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 01:56:56,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 01:56:56,201 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 01:56:56,202 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 01:56:56,202 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 01:56:56,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 01:56:56,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 01:56:56,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 01:56:56,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 01:56:56,203 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 01:56:56,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 01:56:56,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 01:56:56,203 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 01:56:56,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 01:56:56,203 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 01:56:56,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 01:56:56,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 01:56:56,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 01:56:56,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 01:56:56,203 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 01:56:56,203 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 01:56:56,203 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 01:56:56,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 01:56:56,203 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 01:56:56,203 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 01:56:56,204 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 01:56:56,204 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:56:56,204 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:56:56,204 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:56:56,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:56:56,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 01:56:56,204 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:56:56,204 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:56:56,204 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:56:56,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:56:56,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 01:56:56,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 01:56:56,204 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 01:56:56,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 01:56:56,204 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 01:56:56,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 01:56:56,205 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 01:56:56,205 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 01:56:56,205 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 01:56:56,205 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 01:56:56,205 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 -> 2d26d8e14d33b8c29eaf9ffa7603dd26966f962451e6c0726b154a73bf65f3d2 [2025-01-10 01:56:56,455 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 01:56:56,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 01:56:56,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 01:56:56,464 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 01:56:56,464 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 01:56:56,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c [2025-01-10 01:56:57,557 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e6206e64/c7893d10de5c4638bf9c8115333c2e4e/FLAGacb607fef [2025-01-10 01:56:57,846 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 01:56:57,848 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c [2025-01-10 01:56:57,859 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e6206e64/c7893d10de5c4638bf9c8115333c2e4e/FLAGacb607fef [2025-01-10 01:56:58,151 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e6206e64/c7893d10de5c4638bf9c8115333c2e4e [2025-01-10 01:56:58,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 01:56:58,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 01:56:58,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 01:56:58,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 01:56:58,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 01:56:58,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:56:58" (1/1) ... [2025-01-10 01:56:58,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@942c061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:56:58, skipping insertion in model container [2025-01-10 01:56:58,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:56:58" (1/1) ... [2025-01-10 01:56:58,168 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 01:56:58,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:56:58,292 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 01:56:58,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:56:58,322 INFO L204 MainTranslator]: Completed translation [2025-01-10 01:56:58,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:56:58 WrapperNode [2025-01-10 01:56:58,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 01:56:58,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 01:56:58,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 01:56:58,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 01:56:58,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:56:58" (1/1) ... [2025-01-10 01:56:58,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:56:58" (1/1) ... [2025-01-10 01:56:58,352 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 123 [2025-01-10 01:56:58,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 01:56:58,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 01:56:58,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 01:56:58,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 01:56:58,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:56:58" (1/1) ... [2025-01-10 01:56:58,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:56:58" (1/1) ... [2025-01-10 01:56:58,363 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:56:58" (1/1) ... [2025-01-10 01:56:58,373 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-10 01:56:58,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:56:58" (1/1) ... [2025-01-10 01:56:58,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:56:58" (1/1) ... [2025-01-10 01:56:58,376 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:56:58" (1/1) ... [2025-01-10 01:56:58,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:56:58" (1/1) ... [2025-01-10 01:56:58,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:56:58" (1/1) ... [2025-01-10 01:56:58,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:56:58" (1/1) ... [2025-01-10 01:56:58,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:56:58" (1/1) ... [2025-01-10 01:56:58,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 01:56:58,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 01:56:58,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 01:56:58,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 01:56:58,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:56:58" (1/1) ... [2025-01-10 01:56:58,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:56:58,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:56:58,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 01:56:58,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 01:56:58,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 01:56:58,422 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 01:56:58,422 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 01:56:58,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 01:56:58,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 01:56:58,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 01:56:58,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 01:56:58,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 01:56:58,470 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 01:56:58,471 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 01:56:58,758 INFO L? ?]: Removed 159 outVars from TransFormulas that were not future-live. [2025-01-10 01:56:58,758 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 01:56:58,767 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 01:56:58,767 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 01:56:58,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:56:58 BoogieIcfgContainer [2025-01-10 01:56:58,767 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 01:56:58,769 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 01:56:58,769 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 01:56:58,772 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 01:56:58,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:56:58" (1/3) ... [2025-01-10 01:56:58,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755e0252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:56:58, skipping insertion in model container [2025-01-10 01:56:58,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:56:58" (2/3) ... [2025-01-10 01:56:58,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755e0252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:56:58, skipping insertion in model container [2025-01-10 01:56:58,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:56:58" (3/3) ... [2025-01-10 01:56:58,774 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd-ll_unwindbound50.c [2025-01-10 01:56:58,783 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 01:56:58,784 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd-ll_unwindbound50.c that has 3 procedures, 146 locations, 1 initial locations, 1 loop locations, and 58 error locations. [2025-01-10 01:56:58,829 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 01:56:58,839 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;@7a59817, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 01:56:58,839 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2025-01-10 01:56:58,842 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 76 states have (on average 1.8421052631578947) internal successors, (140), 134 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) [2025-01-10 01:56:58,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-10 01:56:58,845 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:56:58,846 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:56:58,846 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:56:58,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:56:58,850 INFO L85 PathProgramCache]: Analyzing trace with hash 426625599, now seen corresponding path program 1 times [2025-01-10 01:56:58,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:56:58,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038366036] [2025-01-10 01:56:58,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:56:58,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:56:58,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 01:56:58,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 01:56:58,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:56:58,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:58,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 01:56:58,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:56:58,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038366036] [2025-01-10 01:56:58,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038366036] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:56:58,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202694621] [2025-01-10 01:56:58,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:56:58,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:56:58,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:56:58,957 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:56:58,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 01:56:58,990 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 01:56:59,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 01:56:59,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:56:59,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:59,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-10 01:56:59,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:56:59,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 01:56:59,014 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:56:59,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202694621] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:56:59,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:56:59,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-10 01:56:59,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591807409] [2025-01-10 01:56:59,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:56:59,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 01:56:59,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:56:59,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 01:56:59,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 01:56:59,034 INFO L87 Difference]: Start difference. First operand has 146 states, 76 states have (on average 1.8421052631578947) internal successors, (140), 134 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) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2025-01-10 01:56:59,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:56:59,060 INFO L93 Difference]: Finished difference Result 288 states and 320 transitions. [2025-01-10 01:56:59,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 01:56:59,061 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 15 [2025-01-10 01:56:59,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:56:59,066 INFO L225 Difference]: With dead ends: 288 [2025-01-10 01:56:59,067 INFO L226 Difference]: Without dead ends: 139 [2025-01-10 01:56:59,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 01:56:59,072 INFO L435 NwaCegarLoop]: 154 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, 154 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:56:59,073 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:56:59,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2025-01-10 01:56:59,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2025-01-10 01:56:59,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 71 states have (on average 1.8450704225352113) internal successors, (131), 128 states have internal predecessors, (131), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 01:56:59,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 147 transitions. [2025-01-10 01:56:59,111 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 147 transitions. Word has length 15 [2025-01-10 01:56:59,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:56:59,112 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 147 transitions. [2025-01-10 01:56:59,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2025-01-10 01:56:59,112 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 147 transitions. [2025-01-10 01:56:59,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-10 01:56:59,113 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:56:59,113 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:56:59,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 01:56:59,313 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 [2025-01-10 01:56:59,314 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:56:59,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:56:59,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1184948479, now seen corresponding path program 1 times [2025-01-10 01:56:59,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:56:59,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355416285] [2025-01-10 01:56:59,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:56:59,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:56:59,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 01:56:59,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 01:56:59,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:56:59,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:59,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:56:59,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:56:59,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355416285] [2025-01-10 01:56:59,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355416285] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:56:59,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:56:59,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:56:59,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996503479] [2025-01-10 01:56:59,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:56:59,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:56:59,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:56:59,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:56:59,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:56:59,388 INFO L87 Difference]: Start difference. First operand 139 states and 147 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:56:59,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:56:59,423 INFO L93 Difference]: Finished difference Result 139 states and 147 transitions. [2025-01-10 01:56:59,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:56:59,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2025-01-10 01:56:59,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:56:59,425 INFO L225 Difference]: With dead ends: 139 [2025-01-10 01:56:59,426 INFO L226 Difference]: Without dead ends: 138 [2025-01-10 01:56:59,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:56:59,427 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 142 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:56:59,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 279 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:56:59,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2025-01-10 01:56:59,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2025-01-10 01:56:59,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 71 states have (on average 1.8309859154929577) internal successors, (130), 127 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 01:56:59,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 146 transitions. [2025-01-10 01:56:59,439 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 146 transitions. Word has length 15 [2025-01-10 01:56:59,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:56:59,440 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 146 transitions. [2025-01-10 01:56:59,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:56:59,440 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 146 transitions. [2025-01-10 01:56:59,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-10 01:56:59,441 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:56:59,441 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:56:59,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 01:56:59,441 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:56:59,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:56:59,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1921302772, now seen corresponding path program 1 times [2025-01-10 01:56:59,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:56:59,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451883829] [2025-01-10 01:56:59,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:56:59,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:56:59,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 01:56:59,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 01:56:59,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:56:59,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:59,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:56:59,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:56:59,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451883829] [2025-01-10 01:56:59,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451883829] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:56:59,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:56:59,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:56:59,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516311048] [2025-01-10 01:56:59,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:56:59,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:56:59,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:56:59,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:56:59,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:56:59,520 INFO L87 Difference]: Start difference. First operand 138 states and 146 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:56:59,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:56:59,558 INFO L93 Difference]: Finished difference Result 202 states and 212 transitions. [2025-01-10 01:56:59,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:56:59,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2025-01-10 01:56:59,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:56:59,559 INFO L225 Difference]: With dead ends: 202 [2025-01-10 01:56:59,559 INFO L226 Difference]: Without dead ends: 142 [2025-01-10 01:56:59,560 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:56:59,560 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 8 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:56:59,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 414 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:56:59,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2025-01-10 01:56:59,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2025-01-10 01:56:59,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 75 states have (on average 1.7866666666666666) internal successors, (134), 131 states have internal predecessors, (134), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 01:56:59,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 150 transitions. [2025-01-10 01:56:59,566 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 150 transitions. Word has length 16 [2025-01-10 01:56:59,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:56:59,567 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 150 transitions. [2025-01-10 01:56:59,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:56:59,567 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2025-01-10 01:56:59,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-01-10 01:56:59,567 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:56:59,567 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:56:59,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 01:56:59,568 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:56:59,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:56:59,568 INFO L85 PathProgramCache]: Analyzing trace with hash 463974865, now seen corresponding path program 1 times [2025-01-10 01:56:59,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:56:59,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194367848] [2025-01-10 01:56:59,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:56:59,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:56:59,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 01:56:59,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 01:56:59,581 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:56:59,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:56:59,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1315530513] [2025-01-10 01:56:59,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:56:59,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:56:59,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:56:59,584 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:56:59,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-10 01:56:59,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 01:56:59,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 01:56:59,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:56:59,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:59,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:56:59,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:56:59,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:56:59,640 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:56:59,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:56:59,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194367848] [2025-01-10 01:56:59,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:56:59,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315530513] [2025-01-10 01:56:59,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315530513] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:56:59,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:56:59,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:56:59,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992063427] [2025-01-10 01:56:59,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:56:59,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:56:59,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:56:59,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:56:59,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:56:59,642 INFO L87 Difference]: Start difference. First operand 142 states and 150 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:56:59,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:56:59,810 INFO L93 Difference]: Finished difference Result 226 states and 273 transitions. [2025-01-10 01:56:59,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:56:59,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2025-01-10 01:56:59,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:56:59,811 INFO L225 Difference]: With dead ends: 226 [2025-01-10 01:56:59,812 INFO L226 Difference]: Without dead ends: 222 [2025-01-10 01:56:59,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:56:59,812 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 73 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:56:59,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 164 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:56:59,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2025-01-10 01:56:59,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 180. [2025-01-10 01:56:59,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 108 states have (on average 1.8148148148148149) internal successors, (196), 164 states have internal predecessors, (196), 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) [2025-01-10 01:56:59,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 222 transitions. [2025-01-10 01:56:59,821 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 222 transitions. Word has length 18 [2025-01-10 01:56:59,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:56:59,821 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 222 transitions. [2025-01-10 01:56:59,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:56:59,821 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 222 transitions. [2025-01-10 01:56:59,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-01-10 01:56:59,822 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:56:59,822 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:56:59,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 01:57:00,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:00,023 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:00,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:00,023 INFO L85 PathProgramCache]: Analyzing trace with hash -796751821, now seen corresponding path program 1 times [2025-01-10 01:57:00,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:00,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403897123] [2025-01-10 01:57:00,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:00,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:00,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 01:57:00,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 01:57:00,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:00,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:00,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2141184610] [2025-01-10 01:57:00,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:00,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:00,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:00,044 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:57:00,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-10 01:57:00,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 01:57:00,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 01:57:00,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:00,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:00,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:57:00,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:00,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:57:00,097 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:57:00,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:00,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403897123] [2025-01-10 01:57:00,097 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:00,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141184610] [2025-01-10 01:57:00,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141184610] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:00,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:57:00,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:57:00,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617299338] [2025-01-10 01:57:00,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:00,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:57:00,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:00,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:57:00,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:57:00,098 INFO L87 Difference]: Start difference. First operand 180 states and 222 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:57:00,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:00,221 INFO L93 Difference]: Finished difference Result 285 states and 351 transitions. [2025-01-10 01:57:00,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:57:00,222 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2025-01-10 01:57:00,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:00,223 INFO L225 Difference]: With dead ends: 285 [2025-01-10 01:57:00,223 INFO L226 Difference]: Without dead ends: 277 [2025-01-10 01:57:00,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:57:00,224 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 86 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:00,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 241 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:57:00,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-01-10 01:57:00,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 236. [2025-01-10 01:57:00,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 158 states have (on average 1.7721518987341771) internal successors, (280), 214 states have internal predecessors, (280), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-01-10 01:57:00,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 318 transitions. [2025-01-10 01:57:00,234 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 318 transitions. Word has length 20 [2025-01-10 01:57:00,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:00,234 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 318 transitions. [2025-01-10 01:57:00,234 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:57:00,234 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 318 transitions. [2025-01-10 01:57:00,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-01-10 01:57:00,235 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:00,235 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:00,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 01:57:00,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:00,436 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:00,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:00,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1174319467, now seen corresponding path program 1 times [2025-01-10 01:57:00,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:00,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058316974] [2025-01-10 01:57:00,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:00,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:00,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-10 01:57:00,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-10 01:57:00,446 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:00,446 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:00,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [743111037] [2025-01-10 01:57:00,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:00,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:00,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:00,448 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:57:00,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-10 01:57:00,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-10 01:57:00,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-10 01:57:00,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:00,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:00,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:57:00,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:00,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:57:00,531 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:57:00,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:00,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058316974] [2025-01-10 01:57:00,531 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:00,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743111037] [2025-01-10 01:57:00,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743111037] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:00,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:57:00,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:57:00,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375092113] [2025-01-10 01:57:00,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:00,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:57:00,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:00,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:57:00,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:57:00,533 INFO L87 Difference]: Start difference. First operand 236 states and 318 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:57:00,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:00,753 INFO L93 Difference]: Finished difference Result 271 states and 337 transitions. [2025-01-10 01:57:00,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:57:00,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2025-01-10 01:57:00,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:00,755 INFO L225 Difference]: With dead ends: 271 [2025-01-10 01:57:00,755 INFO L226 Difference]: Without dead ends: 257 [2025-01-10 01:57:00,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:57:00,756 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 63 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:00,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 150 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:57:00,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2025-01-10 01:57:00,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 202. [2025-01-10 01:57:00,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 129 states have (on average 1.689922480620155) internal successors, (218), 185 states have internal predecessors, (218), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-10 01:57:00,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 246 transitions. [2025-01-10 01:57:00,764 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 246 transitions. Word has length 22 [2025-01-10 01:57:00,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:00,764 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 246 transitions. [2025-01-10 01:57:00,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:57:00,764 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 246 transitions. [2025-01-10 01:57:00,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-10 01:57:00,764 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:00,765 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:00,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 01:57:00,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-01-10 01:57:00,965 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:00,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:00,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1386249094, now seen corresponding path program 1 times [2025-01-10 01:57:00,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:00,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769419218] [2025-01-10 01:57:00,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:00,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:00,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 01:57:00,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 01:57:00,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:00,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:00,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [338288310] [2025-01-10 01:57:00,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:00,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:00,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:00,979 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:57:00,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-10 01:57:00,998 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 01:57:01,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 01:57:01,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:01,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:01,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:57:01,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:01,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:57:01,027 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:57:01,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:01,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769419218] [2025-01-10 01:57:01,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:01,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338288310] [2025-01-10 01:57:01,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338288310] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:01,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:57:01,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:57:01,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058205504] [2025-01-10 01:57:01,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:01,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:57:01,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:01,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:57:01,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:57:01,029 INFO L87 Difference]: Start difference. First operand 202 states and 246 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:57:01,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:01,157 INFO L93 Difference]: Finished difference Result 367 states and 469 transitions. [2025-01-10 01:57:01,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:57:01,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29 [2025-01-10 01:57:01,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:01,160 INFO L225 Difference]: With dead ends: 367 [2025-01-10 01:57:01,160 INFO L226 Difference]: Without dead ends: 359 [2025-01-10 01:57:01,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:57:01,160 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 86 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:01,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 216 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:57:01,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2025-01-10 01:57:01,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 283. [2025-01-10 01:57:01,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 201 states have (on average 1.681592039800995) internal successors, (338), 257 states have internal predecessors, (338), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:57:01,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 384 transitions. [2025-01-10 01:57:01,170 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 384 transitions. Word has length 29 [2025-01-10 01:57:01,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:01,171 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 384 transitions. [2025-01-10 01:57:01,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:57:01,171 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 384 transitions. [2025-01-10 01:57:01,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-01-10 01:57:01,171 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:01,171 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 01:57:01,183 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 [2025-01-10 01:57:01,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:01,372 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:01,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:01,373 INFO L85 PathProgramCache]: Analyzing trace with hash 745519688, now seen corresponding path program 1 times [2025-01-10 01:57:01,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:01,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487006962] [2025-01-10 01:57:01,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:01,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:01,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 01:57:01,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 01:57:01,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:01,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:01,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1214465822] [2025-01-10 01:57:01,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:01,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:01,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:01,391 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:57:01,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-10 01:57:01,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 01:57:01,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 01:57:01,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:01,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:01,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:57:01,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:01,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:57:01,493 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:57:01,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:01,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487006962] [2025-01-10 01:57:01,493 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:01,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214465822] [2025-01-10 01:57:01,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214465822] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:01,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:57:01,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:57:01,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597276449] [2025-01-10 01:57:01,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:01,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:57:01,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:01,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:57:01,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:57:01,495 INFO L87 Difference]: Start difference. First operand 283 states and 384 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:57:01,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:01,639 INFO L93 Difference]: Finished difference Result 337 states and 449 transitions. [2025-01-10 01:57:01,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:57:01,639 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2025-01-10 01:57:01,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:01,641 INFO L225 Difference]: With dead ends: 337 [2025-01-10 01:57:01,641 INFO L226 Difference]: Without dead ends: 335 [2025-01-10 01:57:01,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:57:01,642 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 223 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:01,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 163 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:57:01,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2025-01-10 01:57:01,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 283. [2025-01-10 01:57:01,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 201 states have (on average 1.6616915422885572) internal successors, (334), 257 states have internal predecessors, (334), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:57:01,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 380 transitions. [2025-01-10 01:57:01,653 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 380 transitions. Word has length 31 [2025-01-10 01:57:01,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:01,653 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 380 transitions. [2025-01-10 01:57:01,653 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:57:01,653 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 380 transitions. [2025-01-10 01:57:01,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-10 01:57:01,654 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:01,654 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:01,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 01:57:01,858 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,SelfDestructingSolverStorable7 [2025-01-10 01:57:01,858 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:01,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:01,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1636273918, now seen corresponding path program 1 times [2025-01-10 01:57:01,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:01,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381342216] [2025-01-10 01:57:01,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:01,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:01,862 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 01:57:01,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 01:57:01,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:01,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:01,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [207670310] [2025-01-10 01:57:01,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:01,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:01,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:01,876 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:57:01,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 01:57:01,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 01:57:01,907 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 01:57:01,907 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:01,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:01,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:57:01,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:01,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:57:01,957 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:57:01,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:01,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381342216] [2025-01-10 01:57:01,957 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:01,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207670310] [2025-01-10 01:57:01,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207670310] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:01,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:57:01,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:57:01,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840382787] [2025-01-10 01:57:01,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:01,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:57:01,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:01,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:57:01,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:57:01,959 INFO L87 Difference]: Start difference. First operand 283 states and 380 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:57:02,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:02,116 INFO L93 Difference]: Finished difference Result 337 states and 445 transitions. [2025-01-10 01:57:02,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:57:02,116 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2025-01-10 01:57:02,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:02,118 INFO L225 Difference]: With dead ends: 337 [2025-01-10 01:57:02,118 INFO L226 Difference]: Without dead ends: 335 [2025-01-10 01:57:02,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:57:02,119 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 230 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:02,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 158 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:57:02,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2025-01-10 01:57:02,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 283. [2025-01-10 01:57:02,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 201 states have (on average 1.6417910447761195) internal successors, (330), 257 states have internal predecessors, (330), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:57:02,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 376 transitions. [2025-01-10 01:57:02,141 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 376 transitions. Word has length 32 [2025-01-10 01:57:02,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:02,141 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 376 transitions. [2025-01-10 01:57:02,141 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:57:02,141 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 376 transitions. [2025-01-10 01:57:02,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-01-10 01:57:02,142 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:02,142 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:02,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-10 01:57:02,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:02,343 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:02,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:02,343 INFO L85 PathProgramCache]: Analyzing trace with hash -815116022, now seen corresponding path program 1 times [2025-01-10 01:57:02,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:02,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848508966] [2025-01-10 01:57:02,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:02,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:02,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-10 01:57:02,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-10 01:57:02,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:02,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:02,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1176502776] [2025-01-10 01:57:02,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:02,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:02,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:02,365 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:57:02,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 01:57:02,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-10 01:57:02,400 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-10 01:57:02,400 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:02,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:02,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:57:02,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:02,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:57:02,461 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:57:02,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:02,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848508966] [2025-01-10 01:57:02,461 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:02,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176502776] [2025-01-10 01:57:02,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176502776] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:02,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:57:02,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:57:02,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704617309] [2025-01-10 01:57:02,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:02,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:57:02,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:02,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:57:02,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:57:02,462 INFO L87 Difference]: Start difference. First operand 283 states and 376 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:57:03,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:03,057 INFO L93 Difference]: Finished difference Result 357 states and 449 transitions. [2025-01-10 01:57:03,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:57:03,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2025-01-10 01:57:03,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:03,059 INFO L225 Difference]: With dead ends: 357 [2025-01-10 01:57:03,059 INFO L226 Difference]: Without dead ends: 355 [2025-01-10 01:57:03,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:57:03,059 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 90 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:03,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 242 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 01:57:03,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2025-01-10 01:57:03,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 284. [2025-01-10 01:57:03,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 202 states have (on average 1.6237623762376239) internal successors, (328), 258 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:57:03,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 374 transitions. [2025-01-10 01:57:03,071 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 374 transitions. Word has length 33 [2025-01-10 01:57:03,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:03,071 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 374 transitions. [2025-01-10 01:57:03,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:57:03,071 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 374 transitions. [2025-01-10 01:57:03,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-01-10 01:57:03,074 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:03,075 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 01:57:03,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-10 01:57:03,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:03,276 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:03,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:03,276 INFO L85 PathProgramCache]: Analyzing trace with hash 501207168, now seen corresponding path program 1 times [2025-01-10 01:57:03,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:03,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472191136] [2025-01-10 01:57:03,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:03,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:03,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 01:57:03,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 01:57:03,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:03,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:03,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1876258276] [2025-01-10 01:57:03,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:03,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:03,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:03,289 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) [2025-01-10 01:57:03,293 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 [2025-01-10 01:57:03,309 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 01:57:03,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 01:57:03,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:03,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:03,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:57:03,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:03,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:57:03,408 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:57:03,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:03,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472191136] [2025-01-10 01:57:03,408 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:03,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876258276] [2025-01-10 01:57:03,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876258276] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:03,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:57:03,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:57:03,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904487291] [2025-01-10 01:57:03,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:03,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:57:03,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:03,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:57:03,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:57:03,409 INFO L87 Difference]: Start difference. First operand 284 states and 374 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:57:03,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:03,782 INFO L93 Difference]: Finished difference Result 357 states and 445 transitions. [2025-01-10 01:57:03,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:57:03,783 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2025-01-10 01:57:03,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:03,785 INFO L225 Difference]: With dead ends: 357 [2025-01-10 01:57:03,785 INFO L226 Difference]: Without dead ends: 355 [2025-01-10 01:57:03,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:57:03,785 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 147 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:03,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 207 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:57:03,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2025-01-10 01:57:03,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 285. [2025-01-10 01:57:03,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 203 states have (on average 1.6059113300492611) internal successors, (326), 259 states have internal predecessors, (326), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:57:03,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 372 transitions. [2025-01-10 01:57:03,798 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 372 transitions. Word has length 34 [2025-01-10 01:57:03,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:03,800 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 372 transitions. [2025-01-10 01:57:03,800 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:57:03,800 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 372 transitions. [2025-01-10 01:57:03,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-01-10 01:57:03,800 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:03,801 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 01:57:03,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-10 01:57:04,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:04,003 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:04,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:04,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1395211415, now seen corresponding path program 1 times [2025-01-10 01:57:04,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:04,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138954615] [2025-01-10 01:57:04,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:04,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:04,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 01:57:04,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 01:57:04,029 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:04,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:04,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1067722450] [2025-01-10 01:57:04,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:04,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:04,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:04,037 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) [2025-01-10 01:57:04,038 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 [2025-01-10 01:57:04,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 01:57:04,070 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 01:57:04,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:04,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:04,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:57:04,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:04,185 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 01:57:04,185 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:57:04,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:04,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138954615] [2025-01-10 01:57:04,185 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:04,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1067722450] [2025-01-10 01:57:04,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1067722450] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:04,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:57:04,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:57:04,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952318087] [2025-01-10 01:57:04,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:04,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:57:04,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:04,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:57:04,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:57:04,186 INFO L87 Difference]: Start difference. First operand 285 states and 372 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2025-01-10 01:57:04,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:04,351 INFO L93 Difference]: Finished difference Result 308 states and 391 transitions. [2025-01-10 01:57:04,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:57:04,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 42 [2025-01-10 01:57:04,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:04,353 INFO L225 Difference]: With dead ends: 308 [2025-01-10 01:57:04,353 INFO L226 Difference]: Without dead ends: 306 [2025-01-10 01:57:04,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:57:04,354 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 216 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:04,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 159 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:57:04,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2025-01-10 01:57:04,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 286. [2025-01-10 01:57:04,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 204 states have (on average 1.5931372549019607) internal successors, (325), 260 states have internal predecessors, (325), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:57:04,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 371 transitions. [2025-01-10 01:57:04,366 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 371 transitions. Word has length 42 [2025-01-10 01:57:04,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:04,367 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 371 transitions. [2025-01-10 01:57:04,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2025-01-10 01:57:04,367 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 371 transitions. [2025-01-10 01:57:04,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-01-10 01:57:04,368 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:04,368 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 01:57:04,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-10 01:57:04,568 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,SelfDestructingSolverStorable11 [2025-01-10 01:57:04,569 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:04,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:04,569 INFO L85 PathProgramCache]: Analyzing trace with hash -301880822, now seen corresponding path program 1 times [2025-01-10 01:57:04,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:04,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584065236] [2025-01-10 01:57:04,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:04,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:04,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 01:57:04,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 01:57:04,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:04,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:04,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [346210693] [2025-01-10 01:57:04,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:04,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:04,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:04,592 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) [2025-01-10 01:57:04,593 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 [2025-01-10 01:57:04,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 01:57:04,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 01:57:04,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:04,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:04,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:57:04,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:04,702 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 01:57:04,702 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:57:04,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:04,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584065236] [2025-01-10 01:57:04,702 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:04,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346210693] [2025-01-10 01:57:04,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346210693] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:04,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:57:04,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:57:04,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045798254] [2025-01-10 01:57:04,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:04,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:57:04,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:04,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:57:04,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:57:04,704 INFO L87 Difference]: Start difference. First operand 286 states and 371 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2025-01-10 01:57:04,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:04,849 INFO L93 Difference]: Finished difference Result 308 states and 388 transitions. [2025-01-10 01:57:04,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:57:04,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 43 [2025-01-10 01:57:04,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:04,851 INFO L225 Difference]: With dead ends: 308 [2025-01-10 01:57:04,851 INFO L226 Difference]: Without dead ends: 306 [2025-01-10 01:57:04,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:57:04,851 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 199 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:04,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 173 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:57:04,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2025-01-10 01:57:04,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 287. [2025-01-10 01:57:04,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 205 states have (on average 1.5804878048780489) internal successors, (324), 261 states have internal predecessors, (324), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:57:04,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 370 transitions. [2025-01-10 01:57:04,859 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 370 transitions. Word has length 43 [2025-01-10 01:57:04,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:04,859 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 370 transitions. [2025-01-10 01:57:04,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2025-01-10 01:57:04,860 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 370 transitions. [2025-01-10 01:57:04,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-01-10 01:57:04,860 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:04,860 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 01:57:04,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-10 01:57:05,060 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,SelfDestructingSolverStorable12 [2025-01-10 01:57:05,061 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:05,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:05,061 INFO L85 PathProgramCache]: Analyzing trace with hash -768370805, now seen corresponding path program 1 times [2025-01-10 01:57:05,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:05,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530831340] [2025-01-10 01:57:05,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:05,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:05,068 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-10 01:57:05,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 01:57:05,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:05,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:05,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1381592227] [2025-01-10 01:57:05,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:05,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:05,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:05,085 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) [2025-01-10 01:57:05,089 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 [2025-01-10 01:57:05,105 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-10 01:57:05,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 01:57:05,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:05,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:05,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:57:05,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:05,143 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 01:57:05,143 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:57:05,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:05,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530831340] [2025-01-10 01:57:05,143 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:05,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381592227] [2025-01-10 01:57:05,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381592227] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:05,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:57:05,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:57:05,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795960584] [2025-01-10 01:57:05,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:05,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:57:05,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:05,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:57:05,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:57:05,144 INFO L87 Difference]: Start difference. First operand 287 states and 370 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, (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) [2025-01-10 01:57:05,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:05,350 INFO L93 Difference]: Finished difference Result 316 states and 377 transitions. [2025-01-10 01:57:05,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:57:05,350 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, (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 44 [2025-01-10 01:57:05,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:05,352 INFO L225 Difference]: With dead ends: 316 [2025-01-10 01:57:05,352 INFO L226 Difference]: Without dead ends: 314 [2025-01-10 01:57:05,352 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 [2025-01-10 01:57:05,352 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 134 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:05,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 211 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:57:05,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2025-01-10 01:57:05,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 288. [2025-01-10 01:57:05,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 206 states have (on average 1.5679611650485437) internal successors, (323), 262 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:57:05,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 369 transitions. [2025-01-10 01:57:05,364 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 369 transitions. Word has length 44 [2025-01-10 01:57:05,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:05,364 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 369 transitions. [2025-01-10 01:57:05,364 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, (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) [2025-01-10 01:57:05,365 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 369 transitions. [2025-01-10 01:57:05,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-01-10 01:57:05,365 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:05,365 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:05,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-10 01:57:05,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:05,566 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:05,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:05,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1950308908, now seen corresponding path program 1 times [2025-01-10 01:57:05,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:05,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042531083] [2025-01-10 01:57:05,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:05,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:05,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-10 01:57:05,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-10 01:57:05,581 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:05,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:05,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1835728101] [2025-01-10 01:57:05,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:05,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:05,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:05,583 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) [2025-01-10 01:57:05,584 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 [2025-01-10 01:57:05,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-10 01:57:05,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-10 01:57:05,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:05,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:05,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:57:05,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:05,670 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 01:57:05,670 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:57:05,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:05,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042531083] [2025-01-10 01:57:05,671 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:05,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835728101] [2025-01-10 01:57:05,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835728101] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:05,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:57:05,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:57:05,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243486857] [2025-01-10 01:57:05,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:05,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:57:05,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:05,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:57:05,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:57:05,674 INFO L87 Difference]: Start difference. First operand 288 states and 369 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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) [2025-01-10 01:57:05,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:05,964 INFO L93 Difference]: Finished difference Result 316 states and 374 transitions. [2025-01-10 01:57:05,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:57:05,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 45 [2025-01-10 01:57:05,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:05,966 INFO L225 Difference]: With dead ends: 316 [2025-01-10 01:57:05,966 INFO L226 Difference]: Without dead ends: 314 [2025-01-10 01:57:05,966 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 [2025-01-10 01:57:05,966 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 133 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:05,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 237 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:57:05,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2025-01-10 01:57:05,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 289. [2025-01-10 01:57:05,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 207 states have (on average 1.5555555555555556) internal successors, (322), 263 states have internal predecessors, (322), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:57:05,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 368 transitions. [2025-01-10 01:57:05,976 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 368 transitions. Word has length 45 [2025-01-10 01:57:05,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:05,976 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 368 transitions. [2025-01-10 01:57:05,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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) [2025-01-10 01:57:05,976 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 368 transitions. [2025-01-10 01:57:05,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 01:57:05,977 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:05,977 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:05,984 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 [2025-01-10 01:57:06,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:06,178 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:06,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:06,178 INFO L85 PathProgramCache]: Analyzing trace with hash -518818141, now seen corresponding path program 1 times [2025-01-10 01:57:06,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:06,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031621412] [2025-01-10 01:57:06,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:06,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:06,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 01:57:06,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 01:57:06,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:06,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:06,238 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:57:06,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:06,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031621412] [2025-01-10 01:57:06,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031621412] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:06,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:57:06,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:57:06,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488043657] [2025-01-10 01:57:06,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:06,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:57:06,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:06,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:57:06,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:57:06,240 INFO L87 Difference]: Start difference. First operand 289 states and 368 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:57:06,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:06,287 INFO L93 Difference]: Finished difference Result 380 states and 485 transitions. [2025-01-10 01:57:06,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:57:06,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 52 [2025-01-10 01:57:06,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:06,289 INFO L225 Difference]: With dead ends: 380 [2025-01-10 01:57:06,289 INFO L226 Difference]: Without dead ends: 378 [2025-01-10 01:57:06,289 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 [2025-01-10 01:57:06,290 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 46 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:06,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 307 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:57:06,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2025-01-10 01:57:06,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 291. [2025-01-10 01:57:06,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 210 states have (on average 1.5333333333333334) internal successors, (322), 265 states have internal predecessors, (322), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:57:06,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 368 transitions. [2025-01-10 01:57:06,299 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 368 transitions. Word has length 52 [2025-01-10 01:57:06,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:06,299 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 368 transitions. [2025-01-10 01:57:06,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:57:06,300 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 368 transitions. [2025-01-10 01:57:06,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-01-10 01:57:06,300 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:06,300 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:06,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-01-10 01:57:06,300 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:06,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:06,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1096506943, now seen corresponding path program 1 times [2025-01-10 01:57:06,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:06,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907782071] [2025-01-10 01:57:06,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:06,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:06,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 01:57:06,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 01:57:06,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:06,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:06,336 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:57:06,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:06,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907782071] [2025-01-10 01:57:06,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907782071] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:06,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:57:06,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:57:06,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060922664] [2025-01-10 01:57:06,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:06,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:57:06,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:06,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:57:06,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:57:06,337 INFO L87 Difference]: Start difference. First operand 291 states and 368 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:57:06,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:06,394 INFO L93 Difference]: Finished difference Result 379 states and 479 transitions. [2025-01-10 01:57:06,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:57:06,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 53 [2025-01-10 01:57:06,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:06,396 INFO L225 Difference]: With dead ends: 379 [2025-01-10 01:57:06,396 INFO L226 Difference]: Without dead ends: 377 [2025-01-10 01:57:06,396 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 [2025-01-10 01:57:06,396 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 45 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:06,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 307 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:57:06,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2025-01-10 01:57:06,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 293. [2025-01-10 01:57:06,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 213 states have (on average 1.5023474178403755) internal successors, (320), 267 states have internal predecessors, (320), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:57:06,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 366 transitions. [2025-01-10 01:57:06,410 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 366 transitions. Word has length 53 [2025-01-10 01:57:06,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:06,410 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 366 transitions. [2025-01-10 01:57:06,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:57:06,410 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 366 transitions. [2025-01-10 01:57:06,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-01-10 01:57:06,411 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:06,411 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-01-10 01:57:06,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-10 01:57:06,411 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:06,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:06,412 INFO L85 PathProgramCache]: Analyzing trace with hash -367981295, now seen corresponding path program 1 times [2025-01-10 01:57:06,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:06,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803287017] [2025-01-10 01:57:06,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:06,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:06,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-10 01:57:06,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-10 01:57:06,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:06,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:06,486 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:57:06,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:06,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803287017] [2025-01-10 01:57:06,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803287017] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:06,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:57:06,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:57:06,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75942311] [2025-01-10 01:57:06,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:06,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:57:06,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:06,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:57:06,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:57:06,487 INFO L87 Difference]: Start difference. First operand 293 states and 366 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, (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) [2025-01-10 01:57:06,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:06,714 INFO L93 Difference]: Finished difference Result 378 states and 471 transitions. [2025-01-10 01:57:06,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:57:06,714 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, (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 54 [2025-01-10 01:57:06,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:06,716 INFO L225 Difference]: With dead ends: 378 [2025-01-10 01:57:06,716 INFO L226 Difference]: Without dead ends: 377 [2025-01-10 01:57:06,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:57:06,716 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 177 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:06,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 189 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:57:06,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2025-01-10 01:57:06,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 293. [2025-01-10 01:57:06,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 213 states have (on average 1.4976525821596245) internal successors, (319), 267 states have internal predecessors, (319), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:57:06,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 365 transitions. [2025-01-10 01:57:06,726 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 365 transitions. Word has length 54 [2025-01-10 01:57:06,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:06,726 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 365 transitions. [2025-01-10 01:57:06,726 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, (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) [2025-01-10 01:57:06,726 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 365 transitions. [2025-01-10 01:57:06,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-01-10 01:57:06,727 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:06,727 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-01-10 01:57:06,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-01-10 01:57:06,727 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:06,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:06,727 INFO L85 PathProgramCache]: Analyzing trace with hash -367995197, now seen corresponding path program 1 times [2025-01-10 01:57:06,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:06,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939505083] [2025-01-10 01:57:06,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:06,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:06,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-10 01:57:06,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-10 01:57:06,734 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:06,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:06,786 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:57:06,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:06,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939505083] [2025-01-10 01:57:06,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939505083] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:06,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:57:06,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:57:06,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019464329] [2025-01-10 01:57:06,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:06,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:57:06,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:06,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:57:06,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:57:06,787 INFO L87 Difference]: Start difference. First operand 293 states and 365 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, (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) [2025-01-10 01:57:07,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:07,050 INFO L93 Difference]: Finished difference Result 380 states and 473 transitions. [2025-01-10 01:57:07,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:57:07,050 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, (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 54 [2025-01-10 01:57:07,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:07,052 INFO L225 Difference]: With dead ends: 380 [2025-01-10 01:57:07,052 INFO L226 Difference]: Without dead ends: 379 [2025-01-10 01:57:07,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:57:07,052 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 186 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:07,052 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 174 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:57:07,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-01-10 01:57:07,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 295. [2025-01-10 01:57:07,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 215 states have (on average 1.4930232558139536) internal successors, (321), 269 states have internal predecessors, (321), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:57:07,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 367 transitions. [2025-01-10 01:57:07,062 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 367 transitions. Word has length 54 [2025-01-10 01:57:07,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:07,062 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 367 transitions. [2025-01-10 01:57:07,063 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, (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) [2025-01-10 01:57:07,063 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 367 transitions. [2025-01-10 01:57:07,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-01-10 01:57:07,063 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:07,063 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:07,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-01-10 01:57:07,063 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:07,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:07,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1774104699, now seen corresponding path program 1 times [2025-01-10 01:57:07,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:07,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492284721] [2025-01-10 01:57:07,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:07,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:07,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-01-10 01:57:07,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-01-10 01:57:07,070 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:07,070 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:07,132 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:57:07,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:07,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492284721] [2025-01-10 01:57:07,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492284721] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:07,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:57:07,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:57:07,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587638192] [2025-01-10 01:57:07,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:07,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:57:07,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:07,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:57:07,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:57:07,133 INFO L87 Difference]: Start difference. First operand 295 states and 367 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2025-01-10 01:57:07,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:07,288 INFO L93 Difference]: Finished difference Result 355 states and 435 transitions. [2025-01-10 01:57:07,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:57:07,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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 57 [2025-01-10 01:57:07,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:07,290 INFO L225 Difference]: With dead ends: 355 [2025-01-10 01:57:07,290 INFO L226 Difference]: Without dead ends: 351 [2025-01-10 01:57:07,290 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 [2025-01-10 01:57:07,291 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 47 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:07,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 178 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:57:07,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2025-01-10 01:57:07,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 305. [2025-01-10 01:57:07,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 225 states have (on average 1.4755555555555555) internal successors, (332), 279 states have internal predecessors, (332), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:57:07,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 378 transitions. [2025-01-10 01:57:07,302 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 378 transitions. Word has length 57 [2025-01-10 01:57:07,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:07,302 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 378 transitions. [2025-01-10 01:57:07,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2025-01-10 01:57:07,302 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 378 transitions. [2025-01-10 01:57:07,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-01-10 01:57:07,303 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:07,303 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:07,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-01-10 01:57:07,303 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:07,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:07,303 INFO L85 PathProgramCache]: Analyzing trace with hash -292810284, now seen corresponding path program 1 times [2025-01-10 01:57:07,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:07,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566277416] [2025-01-10 01:57:07,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:07,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:07,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-10 01:57:07,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 01:57:07,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:07,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:07,375 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:57:07,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:07,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566277416] [2025-01-10 01:57:07,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566277416] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:07,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858097684] [2025-01-10 01:57:07,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:07,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:07,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:07,380 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) [2025-01-10 01:57:07,381 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 [2025-01-10 01:57:07,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-10 01:57:07,409 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 01:57:07,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:07,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:07,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:57:07,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:07,539 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:57:07,539 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:57:07,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858097684] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:07,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:07,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-01-10 01:57:07,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347553505] [2025-01-10 01:57:07,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:07,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:57:07,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:07,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:57:07,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:57:07,540 INFO L87 Difference]: Start difference. First operand 305 states and 378 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:57:07,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:07,634 INFO L93 Difference]: Finished difference Result 397 states and 486 transitions. [2025-01-10 01:57:07,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:57:07,635 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2025-01-10 01:57:07,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:07,636 INFO L225 Difference]: With dead ends: 397 [2025-01-10 01:57:07,636 INFO L226 Difference]: Without dead ends: 396 [2025-01-10 01:57:07,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:57:07,637 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 104 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:07,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 611 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:57:07,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2025-01-10 01:57:07,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 358. [2025-01-10 01:57:07,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 270 states have (on average 1.4814814814814814) internal successors, (400), 325 states have internal predecessors, (400), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2025-01-10 01:57:07,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 462 transitions. [2025-01-10 01:57:07,655 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 462 transitions. Word has length 61 [2025-01-10 01:57:07,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:07,656 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 462 transitions. [2025-01-10 01:57:07,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:57:07,656 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 462 transitions. [2025-01-10 01:57:07,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-01-10 01:57:07,656 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:07,657 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-01-10 01:57:07,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-10 01:57:07,857 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,SelfDestructingSolverStorable20 [2025-01-10 01:57:07,858 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:07,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:07,858 INFO L85 PathProgramCache]: Analyzing trace with hash 2077160089, now seen corresponding path program 1 times [2025-01-10 01:57:07,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:07,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52681705] [2025-01-10 01:57:07,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:07,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:07,862 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-01-10 01:57:07,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-01-10 01:57:07,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:07,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:07,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [857405571] [2025-01-10 01:57:07,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:07,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:07,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:07,872 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) [2025-01-10 01:57:07,873 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 [2025-01-10 01:57:07,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-01-10 01:57:07,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-01-10 01:57:07,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:07,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:07,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:57:07,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:08,165 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:57:08,165 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:09,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:09,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52681705] [2025-01-10 01:57:09,813 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:09,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857405571] [2025-01-10 01:57:09,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857405571] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:09,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:09,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-01-10 01:57:09,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407110202] [2025-01-10 01:57:09,813 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:09,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:57:09,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:09,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:57:09,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2025-01-10 01:57:09,814 INFO L87 Difference]: Start difference. First operand 358 states and 462 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2025-01-10 01:57:09,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:09,979 INFO L93 Difference]: Finished difference Result 408 states and 527 transitions. [2025-01-10 01:57:09,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:57:09,980 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 63 [2025-01-10 01:57:09,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:09,983 INFO L225 Difference]: With dead ends: 408 [2025-01-10 01:57:09,983 INFO L226 Difference]: Without dead ends: 406 [2025-01-10 01:57:09,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=13, Invalid=16, Unknown=1, NotChecked=0, Total=30 [2025-01-10 01:57:09,984 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 78 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:09,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 144 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:57:09,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2025-01-10 01:57:10,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 360. [2025-01-10 01:57:10,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 272 states have (on average 1.474264705882353) internal successors, (401), 327 states have internal predecessors, (401), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2025-01-10 01:57:10,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 463 transitions. [2025-01-10 01:57:10,007 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 463 transitions. Word has length 63 [2025-01-10 01:57:10,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:10,007 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 463 transitions. [2025-01-10 01:57:10,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2025-01-10 01:57:10,008 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 463 transitions. [2025-01-10 01:57:10,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-01-10 01:57:10,008 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:10,008 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:10,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-01-10 01:57:10,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:10,209 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:10,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:10,209 INFO L85 PathProgramCache]: Analyzing trace with hash 2077160228, now seen corresponding path program 1 times [2025-01-10 01:57:10,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:10,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205801659] [2025-01-10 01:57:10,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:10,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:10,214 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-01-10 01:57:10,221 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-01-10 01:57:10,221 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:10,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:10,301 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:57:10,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:10,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205801659] [2025-01-10 01:57:10,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205801659] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:10,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929884349] [2025-01-10 01:57:10,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:10,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:10,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:10,304 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) [2025-01-10 01:57:10,308 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 [2025-01-10 01:57:10,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-01-10 01:57:10,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-01-10 01:57:10,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:10,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:10,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:57:10,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:10,449 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:57:10,450 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:10,536 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:57:10,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929884349] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:57:10,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:57:10,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 6] total 13 [2025-01-10 01:57:10,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682827017] [2025-01-10 01:57:10,537 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:10,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 01:57:10,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:10,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 01:57:10,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:57:10,539 INFO L87 Difference]: Start difference. First operand 360 states and 463 transitions. Second operand has 13 states, 13 states have (on average 9.615384615384615) internal successors, (125), 13 states have internal predecessors, (125), 6 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-01-10 01:57:11,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:11,555 INFO L93 Difference]: Finished difference Result 964 states and 1155 transitions. [2025-01-10 01:57:11,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-10 01:57:11,555 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.615384615384615) internal successors, (125), 13 states have internal predecessors, (125), 6 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 63 [2025-01-10 01:57:11,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:11,558 INFO L225 Difference]: With dead ends: 964 [2025-01-10 01:57:11,558 INFO L226 Difference]: Without dead ends: 862 [2025-01-10 01:57:11,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=309, Invalid=951, Unknown=0, NotChecked=0, Total=1260 [2025-01-10 01:57:11,559 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 849 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:11,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 695 Invalid, 1039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 972 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 01:57:11,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2025-01-10 01:57:11,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 690. [2025-01-10 01:57:11,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 568 states have (on average 1.4595070422535212) internal successors, (829), 628 states have internal predecessors, (829), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2025-01-10 01:57:11,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 953 transitions. [2025-01-10 01:57:11,590 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 953 transitions. Word has length 63 [2025-01-10 01:57:11,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:11,590 INFO L471 AbstractCegarLoop]: Abstraction has 690 states and 953 transitions. [2025-01-10 01:57:11,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.615384615384615) internal successors, (125), 13 states have internal predecessors, (125), 6 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-01-10 01:57:11,590 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 953 transitions. [2025-01-10 01:57:11,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-01-10 01:57:11,591 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:11,591 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:11,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-10 01:57:11,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:11,795 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:11,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:11,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1469782244, now seen corresponding path program 1 times [2025-01-10 01:57:11,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:11,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217889068] [2025-01-10 01:57:11,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:11,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:11,799 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-01-10 01:57:11,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-01-10 01:57:11,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:11,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:11,880 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-01-10 01:57:11,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:11,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217889068] [2025-01-10 01:57:11,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217889068] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:11,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867375971] [2025-01-10 01:57:11,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:11,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:11,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:11,892 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) [2025-01-10 01:57:11,893 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 [2025-01-10 01:57:11,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-01-10 01:57:11,924 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-01-10 01:57:11,924 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:11,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:11,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:57:11,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:12,155 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-10 01:57:12,155 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:57:12,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867375971] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:12,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:12,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2025-01-10 01:57:12,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053600865] [2025-01-10 01:57:12,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:12,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:57:12,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:12,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:57:12,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:57:12,156 INFO L87 Difference]: Start difference. First operand 690 states and 953 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:57:12,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:12,495 INFO L93 Difference]: Finished difference Result 737 states and 1025 transitions. [2025-01-10 01:57:12,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:57:12,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 65 [2025-01-10 01:57:12,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:12,499 INFO L225 Difference]: With dead ends: 737 [2025-01-10 01:57:12,499 INFO L226 Difference]: Without dead ends: 736 [2025-01-10 01:57:12,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:57:12,500 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 90 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:12,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 137 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:57:12,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2025-01-10 01:57:12,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 690. [2025-01-10 01:57:12,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 568 states have (on average 1.4524647887323943) internal successors, (825), 628 states have internal predecessors, (825), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2025-01-10 01:57:12,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 949 transitions. [2025-01-10 01:57:12,528 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 949 transitions. Word has length 65 [2025-01-10 01:57:12,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:12,528 INFO L471 AbstractCegarLoop]: Abstraction has 690 states and 949 transitions. [2025-01-10 01:57:12,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:57:12,528 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 949 transitions. [2025-01-10 01:57:12,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-01-10 01:57:12,529 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:12,529 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-01-10 01:57:12,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-01-10 01:57:12,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:12,730 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:12,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:12,730 INFO L85 PathProgramCache]: Analyzing trace with hash -32546628, now seen corresponding path program 1 times [2025-01-10 01:57:12,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:12,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083597284] [2025-01-10 01:57:12,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:12,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:12,735 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-01-10 01:57:12,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-01-10 01:57:12,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:12,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:12,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [165265031] [2025-01-10 01:57:12,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:12,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:12,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:12,744 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) [2025-01-10 01:57:12,745 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 [2025-01-10 01:57:12,769 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-01-10 01:57:12,779 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-01-10 01:57:12,780 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:12,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:12,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:57:12,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:12,919 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:57:12,919 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:13,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:13,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083597284] [2025-01-10 01:57:13,054 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:13,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165265031] [2025-01-10 01:57:13,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165265031] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:13,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:13,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-01-10 01:57:13,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293390111] [2025-01-10 01:57:13,054 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:13,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:57:13,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:13,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:57:13,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:57:13,055 INFO L87 Difference]: Start difference. First operand 690 states and 949 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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) [2025-01-10 01:57:13,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:13,224 INFO L93 Difference]: Finished difference Result 732 states and 1006 transitions. [2025-01-10 01:57:13,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:57:13,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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 64 [2025-01-10 01:57:13,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:13,229 INFO L225 Difference]: With dead ends: 732 [2025-01-10 01:57:13,229 INFO L226 Difference]: Without dead ends: 730 [2025-01-10 01:57:13,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:57:13,229 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 78 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:13,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 150 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:57:13,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2025-01-10 01:57:13,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 693. [2025-01-10 01:57:13,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 571 states have (on average 1.4430823117338003) internal successors, (824), 631 states have internal predecessors, (824), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2025-01-10 01:57:13,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 948 transitions. [2025-01-10 01:57:13,262 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 948 transitions. Word has length 64 [2025-01-10 01:57:13,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:13,262 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 948 transitions. [2025-01-10 01:57:13,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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) [2025-01-10 01:57:13,263 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 948 transitions. [2025-01-10 01:57:13,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-01-10 01:57:13,263 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:13,263 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:13,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-01-10 01:57:13,463 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,SelfDestructingSolverStorable24 [2025-01-10 01:57:13,464 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:13,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:13,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1681390839, now seen corresponding path program 1 times [2025-01-10 01:57:13,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:13,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981225884] [2025-01-10 01:57:13,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:13,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:13,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-10 01:57:13,474 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-10 01:57:13,474 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:13,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:13,593 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-10 01:57:13,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:13,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981225884] [2025-01-10 01:57:13,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981225884] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:13,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451206796] [2025-01-10 01:57:13,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:13,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:13,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:13,597 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) [2025-01-10 01:57:13,598 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 [2025-01-10 01:57:13,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-10 01:57:13,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-10 01:57:13,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:13,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:13,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:57:13,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:13,780 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-10 01:57:13,780 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:57:13,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451206796] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:13,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:13,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2025-01-10 01:57:13,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902953798] [2025-01-10 01:57:13,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:13,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:57:13,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:13,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:57:13,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:57:13,781 INFO L87 Difference]: Start difference. First operand 693 states and 948 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:57:14,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:14,129 INFO L93 Difference]: Finished difference Result 737 states and 1014 transitions. [2025-01-10 01:57:14,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:57:14,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 66 [2025-01-10 01:57:14,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:14,132 INFO L225 Difference]: With dead ends: 737 [2025-01-10 01:57:14,132 INFO L226 Difference]: Without dead ends: 736 [2025-01-10 01:57:14,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:57:14,133 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 87 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:14,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 148 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:57:14,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2025-01-10 01:57:14,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 693. [2025-01-10 01:57:14,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 571 states have (on average 1.436077057793345) internal successors, (820), 631 states have internal predecessors, (820), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2025-01-10 01:57:14,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 944 transitions. [2025-01-10 01:57:14,160 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 944 transitions. Word has length 66 [2025-01-10 01:57:14,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:14,160 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 944 transitions. [2025-01-10 01:57:14,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:57:14,160 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 944 transitions. [2025-01-10 01:57:14,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-01-10 01:57:14,160 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:14,160 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-01-10 01:57:14,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-01-10 01:57:14,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:14,361 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:14,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:14,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1066068829, now seen corresponding path program 1 times [2025-01-10 01:57:14,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:14,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107501551] [2025-01-10 01:57:14,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:14,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:14,365 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-01-10 01:57:14,371 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-01-10 01:57:14,372 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:14,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:14,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2102539666] [2025-01-10 01:57:14,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:14,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:14,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:14,374 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) [2025-01-10 01:57:14,376 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 [2025-01-10 01:57:14,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-01-10 01:57:14,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-01-10 01:57:14,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:14,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:14,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:57:14,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:14,454 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-10 01:57:14,454 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:57:14,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:14,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107501551] [2025-01-10 01:57:14,454 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:14,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102539666] [2025-01-10 01:57:14,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102539666] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:14,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:57:14,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:57:14,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043402118] [2025-01-10 01:57:14,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:14,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:57:14,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:14,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:57:14,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:57:14,456 INFO L87 Difference]: Start difference. First operand 693 states and 944 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2025-01-10 01:57:14,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:14,684 INFO L93 Difference]: Finished difference Result 745 states and 995 transitions. [2025-01-10 01:57:14,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:57:14,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 67 [2025-01-10 01:57:14,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:14,687 INFO L225 Difference]: With dead ends: 745 [2025-01-10 01:57:14,687 INFO L226 Difference]: Without dead ends: 744 [2025-01-10 01:57:14,687 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 [2025-01-10 01:57:14,688 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 80 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:14,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 226 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:57:14,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2025-01-10 01:57:14,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 693. [2025-01-10 01:57:14,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 571 states have (on average 1.4308231173380035) internal successors, (817), 631 states have internal predecessors, (817), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2025-01-10 01:57:14,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 941 transitions. [2025-01-10 01:57:14,717 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 941 transitions. Word has length 67 [2025-01-10 01:57:14,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:14,717 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 941 transitions. [2025-01-10 01:57:14,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2025-01-10 01:57:14,718 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 941 transitions. [2025-01-10 01:57:14,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-01-10 01:57:14,718 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:14,718 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-01-10 01:57:14,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-01-10 01:57:14,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-01-10 01:57:14,919 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:14,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:14,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1311604608, now seen corresponding path program 1 times [2025-01-10 01:57:14,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:14,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360512089] [2025-01-10 01:57:14,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:14,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:14,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-10 01:57:14,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-10 01:57:14,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:14,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:14,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1772379424] [2025-01-10 01:57:14,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:14,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:14,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:14,933 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) [2025-01-10 01:57:14,935 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 [2025-01-10 01:57:14,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-01-10 01:57:14,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-10 01:57:14,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:14,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:14,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:57:14,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:15,065 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-10 01:57:15,065 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:57:15,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:15,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360512089] [2025-01-10 01:57:15,066 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:15,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772379424] [2025-01-10 01:57:15,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772379424] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:15,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:57:15,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:57:15,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259070809] [2025-01-10 01:57:15,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:15,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:57:15,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:15,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:57:15,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:57:15,067 INFO L87 Difference]: Start difference. First operand 693 states and 941 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2025-01-10 01:57:15,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:15,330 INFO L93 Difference]: Finished difference Result 747 states and 992 transitions. [2025-01-10 01:57:15,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:57:15,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 68 [2025-01-10 01:57:15,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:15,332 INFO L225 Difference]: With dead ends: 747 [2025-01-10 01:57:15,332 INFO L226 Difference]: Without dead ends: 744 [2025-01-10 01:57:15,332 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:57:15,333 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 119 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:15,333 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 177 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:57:15,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2025-01-10 01:57:15,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 702. [2025-01-10 01:57:15,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 580 states have (on average 1.4206896551724137) internal successors, (824), 640 states have internal predecessors, (824), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2025-01-10 01:57:15,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 948 transitions. [2025-01-10 01:57:15,413 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 948 transitions. Word has length 68 [2025-01-10 01:57:15,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:15,413 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 948 transitions. [2025-01-10 01:57:15,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2025-01-10 01:57:15,413 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 948 transitions. [2025-01-10 01:57:15,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-10 01:57:15,414 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:15,414 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-01-10 01:57:15,420 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 [2025-01-10 01:57:15,614 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,SelfDestructingSolverStorable27 [2025-01-10 01:57:15,615 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:15,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:15,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1650906864, now seen corresponding path program 1 times [2025-01-10 01:57:15,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:15,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426145947] [2025-01-10 01:57:15,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:15,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:15,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-10 01:57:15,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 01:57:15,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:15,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:15,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2056511226] [2025-01-10 01:57:15,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:15,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:15,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:15,638 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) [2025-01-10 01:57:15,640 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 [2025-01-10 01:57:15,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-10 01:57:15,675 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 01:57:15,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:15,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:15,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:57:15,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:15,978 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-10 01:57:15,978 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:16,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:16,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426145947] [2025-01-10 01:57:16,064 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:16,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056511226] [2025-01-10 01:57:16,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056511226] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:16,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:16,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:57:16,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626376388] [2025-01-10 01:57:16,064 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:16,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:57:16,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:16,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:57:16,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:57:16,065 INFO L87 Difference]: Start difference. First operand 702 states and 948 transitions. Second operand has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:57:16,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:16,407 INFO L93 Difference]: Finished difference Result 859 states and 1165 transitions. [2025-01-10 01:57:16,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:57:16,407 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 74 [2025-01-10 01:57:16,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:16,410 INFO L225 Difference]: With dead ends: 859 [2025-01-10 01:57:16,410 INFO L226 Difference]: Without dead ends: 855 [2025-01-10 01:57:16,410 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:57:16,410 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 390 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:16,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 331 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:57:16,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2025-01-10 01:57:16,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 763. [2025-01-10 01:57:16,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 633 states have (on average 1.4360189573459716) internal successors, (909), 695 states have internal predecessors, (909), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 61 states have call predecessors, (70), 70 states have call successors, (70) [2025-01-10 01:57:16,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1049 transitions. [2025-01-10 01:57:16,438 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 1049 transitions. Word has length 74 [2025-01-10 01:57:16,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:16,438 INFO L471 AbstractCegarLoop]: Abstraction has 763 states and 1049 transitions. [2025-01-10 01:57:16,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:57:16,438 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1049 transitions. [2025-01-10 01:57:16,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-01-10 01:57:16,439 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:16,439 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-01-10 01:57:16,444 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 [2025-01-10 01:57:16,639 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,SelfDestructingSolverStorable28 [2025-01-10 01:57:16,639 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:16,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:16,640 INFO L85 PathProgramCache]: Analyzing trace with hash -361494702, now seen corresponding path program 1 times [2025-01-10 01:57:16,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:16,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038516243] [2025-01-10 01:57:16,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:16,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:16,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-10 01:57:16,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-10 01:57:16,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:16,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:16,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1937947173] [2025-01-10 01:57:16,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:16,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:16,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:16,652 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) [2025-01-10 01:57:16,669 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 [2025-01-10 01:57:16,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-01-10 01:57:16,697 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-01-10 01:57:16,697 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:16,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:16,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:57:16,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:16,936 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-10 01:57:16,936 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:17,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:17,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038516243] [2025-01-10 01:57:17,197 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:17,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937947173] [2025-01-10 01:57:17,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937947173] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:17,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:17,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:57:17,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729654696] [2025-01-10 01:57:17,198 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:17,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:57:17,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:17,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:57:17,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:57:17,198 INFO L87 Difference]: Start difference. First operand 763 states and 1049 transitions. Second operand has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:57:17,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:17,494 INFO L93 Difference]: Finished difference Result 785 states and 1062 transitions. [2025-01-10 01:57:17,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:57:17,494 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 75 [2025-01-10 01:57:17,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:17,496 INFO L225 Difference]: With dead ends: 785 [2025-01-10 01:57:17,496 INFO L226 Difference]: Without dead ends: 779 [2025-01-10 01:57:17,496 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:57:17,497 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 149 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:17,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 425 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:57:17,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2025-01-10 01:57:17,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 757. [2025-01-10 01:57:17,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 633 states have (on average 1.387045813586098) internal successors, (878), 689 states have internal predecessors, (878), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 61 states have call predecessors, (70), 70 states have call successors, (70) [2025-01-10 01:57:17,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1018 transitions. [2025-01-10 01:57:17,526 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1018 transitions. Word has length 75 [2025-01-10 01:57:17,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:17,526 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 1018 transitions. [2025-01-10 01:57:17,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:57:17,526 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1018 transitions. [2025-01-10 01:57:17,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-01-10 01:57:17,527 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:17,527 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 01:57:17,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-01-10 01:57:17,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:17,729 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:17,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:17,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1678566194, now seen corresponding path program 1 times [2025-01-10 01:57:17,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:17,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308583249] [2025-01-10 01:57:17,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:17,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:17,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-01-10 01:57:17,738 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-01-10 01:57:17,738 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:17,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:17,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2134081990] [2025-01-10 01:57:17,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:17,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:17,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:17,740 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) [2025-01-10 01:57:17,742 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 [2025-01-10 01:57:17,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-01-10 01:57:17,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-01-10 01:57:17,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:17,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:17,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:57:17,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:18,084 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-10 01:57:18,084 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:18,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:18,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308583249] [2025-01-10 01:57:18,177 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:18,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134081990] [2025-01-10 01:57:18,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134081990] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:18,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:18,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 01:57:18,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011277940] [2025-01-10 01:57:18,177 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:18,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:57:18,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:18,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:57:18,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:57:18,178 INFO L87 Difference]: Start difference. First operand 757 states and 1018 transitions. Second operand has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:57:18,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:18,752 INFO L93 Difference]: Finished difference Result 994 states and 1384 transitions. [2025-01-10 01:57:18,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:57:18,753 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 76 [2025-01-10 01:57:18,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:18,755 INFO L225 Difference]: With dead ends: 994 [2025-01-10 01:57:18,755 INFO L226 Difference]: Without dead ends: 986 [2025-01-10 01:57:18,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:57:18,756 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 564 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:18,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 271 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:57:18,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2025-01-10 01:57:18,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 952. [2025-01-10 01:57:18,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 808 states have (on average 1.426980198019802) internal successors, (1153), 866 states have internal predecessors, (1153), 90 states have call successors, (90), 6 states have call predecessors, (90), 6 states have return successors, (90), 79 states have call predecessors, (90), 90 states have call successors, (90) [2025-01-10 01:57:18,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1333 transitions. [2025-01-10 01:57:18,792 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1333 transitions. Word has length 76 [2025-01-10 01:57:18,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:18,792 INFO L471 AbstractCegarLoop]: Abstraction has 952 states and 1333 transitions. [2025-01-10 01:57:18,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:57:18,792 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1333 transitions. [2025-01-10 01:57:18,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-01-10 01:57:18,793 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:18,793 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 01:57:18,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-01-10 01:57:18,993 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,SelfDestructingSolverStorable30 [2025-01-10 01:57:18,993 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:18,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:18,994 INFO L85 PathProgramCache]: Analyzing trace with hash 495944532, now seen corresponding path program 1 times [2025-01-10 01:57:18,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:18,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809314882] [2025-01-10 01:57:18,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:18,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:18,997 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-10 01:57:19,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-10 01:57:19,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:19,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:19,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [936619092] [2025-01-10 01:57:19,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:19,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:19,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:19,007 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) [2025-01-10 01:57:19,009 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 [2025-01-10 01:57:19,029 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-10 01:57:19,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-10 01:57:19,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:19,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:19,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:57:19,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:19,380 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-10 01:57:19,380 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:19,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:19,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809314882] [2025-01-10 01:57:19,691 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:19,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936619092] [2025-01-10 01:57:19,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936619092] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:19,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:19,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 01:57:19,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785558] [2025-01-10 01:57:19,691 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:19,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:57:19,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:19,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:57:19,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:57:19,692 INFO L87 Difference]: Start difference. First operand 952 states and 1333 transitions. Second operand has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:57:20,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:20,376 INFO L93 Difference]: Finished difference Result 1074 states and 1503 transitions. [2025-01-10 01:57:20,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:57:20,377 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 77 [2025-01-10 01:57:20,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:20,379 INFO L225 Difference]: With dead ends: 1074 [2025-01-10 01:57:20,379 INFO L226 Difference]: Without dead ends: 1072 [2025-01-10 01:57:20,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:57:20,380 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 371 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:20,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 345 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 01:57:20,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2025-01-10 01:57:20,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 999. [2025-01-10 01:57:20,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 850 states have (on average 1.4164705882352941) internal successors, (1204), 908 states have internal predecessors, (1204), 95 states have call successors, (95), 6 states have call predecessors, (95), 6 states have return successors, (95), 84 states have call predecessors, (95), 95 states have call successors, (95) [2025-01-10 01:57:20,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1394 transitions. [2025-01-10 01:57:20,421 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1394 transitions. Word has length 77 [2025-01-10 01:57:20,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:20,421 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1394 transitions. [2025-01-10 01:57:20,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:57:20,422 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1394 transitions. [2025-01-10 01:57:20,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-01-10 01:57:20,422 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:20,422 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 01:57:20,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-01-10 01:57:20,622 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,SelfDestructingSolverStorable31 [2025-01-10 01:57:20,623 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:20,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:20,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1805588620, now seen corresponding path program 1 times [2025-01-10 01:57:20,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:20,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631910299] [2025-01-10 01:57:20,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:20,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:20,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-01-10 01:57:20,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-01-10 01:57:20,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:20,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:20,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2108385686] [2025-01-10 01:57:20,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:20,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:20,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:20,638 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) [2025-01-10 01:57:20,640 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 [2025-01-10 01:57:20,660 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-01-10 01:57:20,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-01-10 01:57:20,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:20,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:20,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-10 01:57:20,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:21,017 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:57:21,018 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:21,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:21,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631910299] [2025-01-10 01:57:21,095 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:21,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108385686] [2025-01-10 01:57:21,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108385686] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:21,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:21,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 01:57:21,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711100483] [2025-01-10 01:57:21,096 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:21,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 01:57:21,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:21,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 01:57:21,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:57:21,097 INFO L87 Difference]: Start difference. First operand 999 states and 1394 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:57:22,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:22,675 INFO L93 Difference]: Finished difference Result 1083 states and 1498 transitions. [2025-01-10 01:57:22,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 01:57:22,675 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 78 [2025-01-10 01:57:22,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:22,678 INFO L225 Difference]: With dead ends: 1083 [2025-01-10 01:57:22,678 INFO L226 Difference]: Without dead ends: 997 [2025-01-10 01:57:22,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2025-01-10 01:57:22,679 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 342 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 1736 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 1767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:22,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 436 Invalid, 1767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1736 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-01-10 01:57:22,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2025-01-10 01:57:22,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 865. [2025-01-10 01:57:22,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 732 states have (on average 1.4207650273224044) internal successors, (1040), 788 states have internal predecessors, (1040), 79 states have call successors, (79), 6 states have call predecessors, (79), 6 states have return successors, (79), 70 states have call predecessors, (79), 79 states have call successors, (79) [2025-01-10 01:57:22,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1198 transitions. [2025-01-10 01:57:22,712 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1198 transitions. Word has length 78 [2025-01-10 01:57:22,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:22,712 INFO L471 AbstractCegarLoop]: Abstraction has 865 states and 1198 transitions. [2025-01-10 01:57:22,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:57:22,712 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1198 transitions. [2025-01-10 01:57:22,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-01-10 01:57:22,713 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:22,713 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 01:57:22,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-01-10 01:57:22,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:22,913 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:22,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:22,914 INFO L85 PathProgramCache]: Analyzing trace with hash -138672298, now seen corresponding path program 1 times [2025-01-10 01:57:22,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:22,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601153712] [2025-01-10 01:57:22,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:22,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:22,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-01-10 01:57:22,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-01-10 01:57:22,926 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:22,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:22,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1558280168] [2025-01-10 01:57:22,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:22,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:22,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:22,932 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) [2025-01-10 01:57:22,933 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 [2025-01-10 01:57:22,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-01-10 01:57:22,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-01-10 01:57:22,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:22,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:22,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:57:22,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:23,184 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-10 01:57:23,184 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:23,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:23,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601153712] [2025-01-10 01:57:23,305 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:23,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558280168] [2025-01-10 01:57:23,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558280168] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:23,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:23,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:57:23,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99225566] [2025-01-10 01:57:23,305 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:23,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:57:23,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:23,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:57:23,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:57:23,306 INFO L87 Difference]: Start difference. First operand 865 states and 1198 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:57:23,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:23,788 INFO L93 Difference]: Finished difference Result 949 states and 1314 transitions. [2025-01-10 01:57:23,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:57:23,789 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 79 [2025-01-10 01:57:23,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:23,791 INFO L225 Difference]: With dead ends: 949 [2025-01-10 01:57:23,791 INFO L226 Difference]: Without dead ends: 945 [2025-01-10 01:57:23,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:57:23,792 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 254 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:23,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 381 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:57:23,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2025-01-10 01:57:23,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 927. [2025-01-10 01:57:23,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 790 states have (on average 1.4063291139240506) internal successors, (1111), 844 states have internal predecessors, (1111), 85 states have call successors, (85), 6 states have call predecessors, (85), 6 states have return successors, (85), 76 states have call predecessors, (85), 85 states have call successors, (85) [2025-01-10 01:57:23,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1281 transitions. [2025-01-10 01:57:23,841 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1281 transitions. Word has length 79 [2025-01-10 01:57:23,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:23,841 INFO L471 AbstractCegarLoop]: Abstraction has 927 states and 1281 transitions. [2025-01-10 01:57:23,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:57:23,841 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1281 transitions. [2025-01-10 01:57:23,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-01-10 01:57:23,842 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:23,842 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:23,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-01-10 01:57:24,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-01-10 01:57:24,046 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:24,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:24,046 INFO L85 PathProgramCache]: Analyzing trace with hash 174877199, now seen corresponding path program 1 times [2025-01-10 01:57:24,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:24,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907069599] [2025-01-10 01:57:24,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:24,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:24,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-01-10 01:57:24,056 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-10 01:57:24,056 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:24,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:24,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [951848306] [2025-01-10 01:57:24,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:24,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:24,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:24,063 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) [2025-01-10 01:57:24,064 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 [2025-01-10 01:57:24,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-01-10 01:57:24,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-10 01:57:24,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:24,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:24,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:57:24,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:24,405 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-01-10 01:57:24,405 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:24,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:24,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907069599] [2025-01-10 01:57:24,498 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:24,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951848306] [2025-01-10 01:57:24,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951848306] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:24,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:24,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:57:24,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876319503] [2025-01-10 01:57:24,499 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:24,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:57:24,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:24,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:57:24,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:57:24,500 INFO L87 Difference]: Start difference. First operand 927 states and 1281 transitions. Second operand has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-01-10 01:57:24,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:24,844 INFO L93 Difference]: Finished difference Result 1177 states and 1663 transitions. [2025-01-10 01:57:24,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:57:24,845 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 85 [2025-01-10 01:57:24,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:24,848 INFO L225 Difference]: With dead ends: 1177 [2025-01-10 01:57:24,848 INFO L226 Difference]: Without dead ends: 1175 [2025-01-10 01:57:24,849 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:57:24,849 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 367 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:24,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 319 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:57:24,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2025-01-10 01:57:24,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1133. [2025-01-10 01:57:24,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 973 states have (on average 1.4409044193216856) internal successors, (1402), 1028 states have internal predecessors, (1402), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 98 states have call predecessors, (108), 108 states have call successors, (108) [2025-01-10 01:57:24,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1618 transitions. [2025-01-10 01:57:24,916 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1618 transitions. Word has length 85 [2025-01-10 01:57:24,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:24,916 INFO L471 AbstractCegarLoop]: Abstraction has 1133 states and 1618 transitions. [2025-01-10 01:57:24,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-01-10 01:57:24,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1618 transitions. [2025-01-10 01:57:24,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-01-10 01:57:24,916 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:24,916 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:24,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-01-10 01:57:25,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:25,121 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:25,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:25,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1126225952, now seen corresponding path program 1 times [2025-01-10 01:57:25,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:25,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136759565] [2025-01-10 01:57:25,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:25,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:25,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 01:57:25,129 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 01:57:25,129 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:25,129 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:25,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [957598651] [2025-01-10 01:57:25,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:25,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:25,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:25,131 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) [2025-01-10 01:57:25,135 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 [2025-01-10 01:57:25,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 01:57:25,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 01:57:25,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:25,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:25,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:57:25,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:25,432 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-01-10 01:57:25,432 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:25,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:25,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136759565] [2025-01-10 01:57:25,677 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:25,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957598651] [2025-01-10 01:57:25,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957598651] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:25,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:25,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:57:25,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276788788] [2025-01-10 01:57:25,677 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:25,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:57:25,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:25,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:57:25,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:57:25,677 INFO L87 Difference]: Start difference. First operand 1133 states and 1618 transitions. Second operand has 8 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-01-10 01:57:25,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:25,937 INFO L93 Difference]: Finished difference Result 1138 states and 1618 transitions. [2025-01-10 01:57:25,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:57:25,937 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 86 [2025-01-10 01:57:25,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:25,942 INFO L225 Difference]: With dead ends: 1138 [2025-01-10 01:57:25,942 INFO L226 Difference]: Without dead ends: 1132 [2025-01-10 01:57:25,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:57:25,943 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 205 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:25,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 290 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:57:25,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2025-01-10 01:57:25,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 925. [2025-01-10 01:57:25,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 793 states have (on average 1.3467843631778058) internal successors, (1068), 839 states have internal predecessors, (1068), 86 states have call successors, (86), 6 states have call predecessors, (86), 6 states have return successors, (86), 79 states have call predecessors, (86), 86 states have call successors, (86) [2025-01-10 01:57:25,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1240 transitions. [2025-01-10 01:57:25,991 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1240 transitions. Word has length 86 [2025-01-10 01:57:25,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:25,991 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1240 transitions. [2025-01-10 01:57:25,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-01-10 01:57:25,991 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1240 transitions. [2025-01-10 01:57:25,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-01-10 01:57:25,992 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:25,992 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:25,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-01-10 01:57:26,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:26,192 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:26,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:26,193 INFO L85 PathProgramCache]: Analyzing trace with hash -887099821, now seen corresponding path program 1 times [2025-01-10 01:57:26,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:26,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167117815] [2025-01-10 01:57:26,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:26,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:26,196 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-01-10 01:57:26,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-01-10 01:57:26,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:26,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:26,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [821031031] [2025-01-10 01:57:26,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:26,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:26,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:26,202 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) [2025-01-10 01:57:26,203 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 [2025-01-10 01:57:26,224 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-01-10 01:57:26,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-01-10 01:57:26,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:26,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:26,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-10 01:57:26,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:26,508 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 9 proven. 29 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-01-10 01:57:26,509 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:26,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:26,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167117815] [2025-01-10 01:57:26,545 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:26,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821031031] [2025-01-10 01:57:26,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821031031] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:26,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:26,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 01:57:26,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944038167] [2025-01-10 01:57:26,545 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:26,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:57:26,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:26,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:57:26,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:57:26,546 INFO L87 Difference]: Start difference. First operand 925 states and 1240 transitions. Second operand has 11 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2025-01-10 01:57:27,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:27,130 INFO L93 Difference]: Finished difference Result 1169 states and 1609 transitions. [2025-01-10 01:57:27,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:57:27,130 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 89 [2025-01-10 01:57:27,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:27,134 INFO L225 Difference]: With dead ends: 1169 [2025-01-10 01:57:27,134 INFO L226 Difference]: Without dead ends: 1165 [2025-01-10 01:57:27,134 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:57:27,135 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 307 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:27,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 349 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:57:27,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2025-01-10 01:57:27,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 1047. [2025-01-10 01:57:27,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 901 states have (on average 1.3706992230854607) internal successors, (1235), 949 states have internal predecessors, (1235), 100 states have call successors, (100), 6 states have call predecessors, (100), 6 states have return successors, (100), 91 states have call predecessors, (100), 100 states have call successors, (100) [2025-01-10 01:57:27,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1435 transitions. [2025-01-10 01:57:27,204 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1435 transitions. Word has length 89 [2025-01-10 01:57:27,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:27,204 INFO L471 AbstractCegarLoop]: Abstraction has 1047 states and 1435 transitions. [2025-01-10 01:57:27,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2025-01-10 01:57:27,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1435 transitions. [2025-01-10 01:57:27,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-01-10 01:57:27,209 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:27,212 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:27,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-01-10 01:57:27,413 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,SelfDestructingSolverStorable36 [2025-01-10 01:57:27,413 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:27,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:27,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1730290588, now seen corresponding path program 1 times [2025-01-10 01:57:27,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:27,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834987957] [2025-01-10 01:57:27,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:27,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:27,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-01-10 01:57:27,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-01-10 01:57:27,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:27,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:27,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1286649519] [2025-01-10 01:57:27,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:27,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:27,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:27,423 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) [2025-01-10 01:57:27,425 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 [2025-01-10 01:57:27,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-01-10 01:57:27,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-01-10 01:57:27,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:27,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:27,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:57:27,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:27,636 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2025-01-10 01:57:27,636 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:27,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:27,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834987957] [2025-01-10 01:57:27,718 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:27,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286649519] [2025-01-10 01:57:27,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286649519] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:27,718 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:27,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:57:27,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228333136] [2025-01-10 01:57:27,718 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:27,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:57:27,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:27,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:57:27,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:57:27,719 INFO L87 Difference]: Start difference. First operand 1047 states and 1435 transitions. Second operand has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-01-10 01:57:28,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:28,327 INFO L93 Difference]: Finished difference Result 1100 states and 1511 transitions. [2025-01-10 01:57:28,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:57:28,332 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 90 [2025-01-10 01:57:28,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:28,335 INFO L225 Difference]: With dead ends: 1100 [2025-01-10 01:57:28,335 INFO L226 Difference]: Without dead ends: 1096 [2025-01-10 01:57:28,335 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:57:28,336 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 221 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:28,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 360 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:57:28,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2025-01-10 01:57:28,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1078. [2025-01-10 01:57:28,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 931 states have (on average 1.364124597207304) internal successors, (1270), 976 states have internal predecessors, (1270), 103 states have call successors, (103), 6 states have call predecessors, (103), 6 states have return successors, (103), 95 states have call predecessors, (103), 103 states have call successors, (103) [2025-01-10 01:57:28,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1476 transitions. [2025-01-10 01:57:28,381 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1476 transitions. Word has length 90 [2025-01-10 01:57:28,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:28,382 INFO L471 AbstractCegarLoop]: Abstraction has 1078 states and 1476 transitions. [2025-01-10 01:57:28,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2025-01-10 01:57:28,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1476 transitions. [2025-01-10 01:57:28,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-01-10 01:57:28,382 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:28,383 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:28,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-01-10 01:57:28,583 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,SelfDestructingSolverStorable37 [2025-01-10 01:57:28,583 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:28,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:28,584 INFO L85 PathProgramCache]: Analyzing trace with hash -759868533, now seen corresponding path program 1 times [2025-01-10 01:57:28,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:28,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042587200] [2025-01-10 01:57:28,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:28,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:28,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-01-10 01:57:28,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-01-10 01:57:28,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:28,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:28,645 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:28,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:28,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042587200] [2025-01-10 01:57:28,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042587200] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:28,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044020323] [2025-01-10 01:57:28,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:28,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:28,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:28,647 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) [2025-01-10 01:57:28,648 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 [2025-01-10 01:57:28,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-01-10 01:57:28,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-01-10 01:57:28,687 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:28,687 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:28,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:57:28,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:28,850 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:29,000 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:29,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044020323] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:57:29,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:57:29,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2025-01-10 01:57:29,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959013518] [2025-01-10 01:57:29,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:29,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-10 01:57:29,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:29,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-10 01:57:29,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:57:29,002 INFO L87 Difference]: Start difference. First operand 1078 states and 1476 transitions. Second operand has 16 states, 15 states have (on average 12.066666666666666) internal successors, (181), 16 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-01-10 01:57:30,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:30,052 INFO L93 Difference]: Finished difference Result 1619 states and 2132 transitions. [2025-01-10 01:57:30,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-10 01:57:30,052 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 12.066666666666666) internal successors, (181), 16 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 99 [2025-01-10 01:57:30,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:30,056 INFO L225 Difference]: With dead ends: 1619 [2025-01-10 01:57:30,056 INFO L226 Difference]: Without dead ends: 1617 [2025-01-10 01:57:30,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=910, Invalid=2630, Unknown=0, NotChecked=0, Total=3540 [2025-01-10 01:57:30,058 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 1943 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1943 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:30,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1943 Valid, 760 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:57:30,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2025-01-10 01:57:30,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1221. [2025-01-10 01:57:30,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 1061 states have (on average 1.3722902921771913) internal successors, (1456), 1106 states have internal predecessors, (1456), 116 states have call successors, (116), 6 states have call predecessors, (116), 6 states have return successors, (116), 108 states have call predecessors, (116), 116 states have call successors, (116) [2025-01-10 01:57:30,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1688 transitions. [2025-01-10 01:57:30,127 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1688 transitions. Word has length 99 [2025-01-10 01:57:30,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:30,128 INFO L471 AbstractCegarLoop]: Abstraction has 1221 states and 1688 transitions. [2025-01-10 01:57:30,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 12.066666666666666) internal successors, (181), 16 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-01-10 01:57:30,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1688 transitions. [2025-01-10 01:57:30,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-01-10 01:57:30,129 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:30,129 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:30,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-01-10 01:57:30,329 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,SelfDestructingSolverStorable38 [2025-01-10 01:57:30,330 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:30,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:30,330 INFO L85 PathProgramCache]: Analyzing trace with hash 160660711, now seen corresponding path program 1 times [2025-01-10 01:57:30,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:30,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689894023] [2025-01-10 01:57:30,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:30,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:30,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-01-10 01:57:30,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-01-10 01:57:30,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:30,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:30,387 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:30,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:30,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689894023] [2025-01-10 01:57:30,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689894023] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:30,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044031561] [2025-01-10 01:57:30,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:30,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:30,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:30,390 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) [2025-01-10 01:57:30,391 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 [2025-01-10 01:57:30,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-01-10 01:57:30,424 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-01-10 01:57:30,424 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:30,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:30,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:57:30,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:30,568 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:30,568 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:30,704 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:30,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044031561] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:57:30,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:57:30,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-01-10 01:57:30,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253062318] [2025-01-10 01:57:30,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:30,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:57:30,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:30,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:57:30,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:57:30,706 INFO L87 Difference]: Start difference. First operand 1221 states and 1688 transitions. Second operand has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-01-10 01:57:31,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:31,575 INFO L93 Difference]: Finished difference Result 1818 states and 2421 transitions. [2025-01-10 01:57:31,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-10 01:57:31,575 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 99 [2025-01-10 01:57:31,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:31,580 INFO L225 Difference]: With dead ends: 1818 [2025-01-10 01:57:31,580 INFO L226 Difference]: Without dead ends: 1816 [2025-01-10 01:57:31,580 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=572, Invalid=1498, Unknown=0, NotChecked=0, Total=2070 [2025-01-10 01:57:31,581 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 1645 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1645 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:31,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1645 Valid, 728 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 814 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:57:31,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1816 states. [2025-01-10 01:57:31,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1816 to 1419. [2025-01-10 01:57:31,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1419 states, 1241 states have (on average 1.3803384367445608) internal successors, (1713), 1286 states have internal predecessors, (1713), 134 states have call successors, (134), 6 states have call predecessors, (134), 6 states have return successors, (134), 126 states have call predecessors, (134), 134 states have call successors, (134) [2025-01-10 01:57:31,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 1981 transitions. [2025-01-10 01:57:31,648 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 1981 transitions. Word has length 99 [2025-01-10 01:57:31,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:31,648 INFO L471 AbstractCegarLoop]: Abstraction has 1419 states and 1981 transitions. [2025-01-10 01:57:31,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-01-10 01:57:31,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1981 transitions. [2025-01-10 01:57:31,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-01-10 01:57:31,649 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:31,649 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:31,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-01-10 01:57:31,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:31,853 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:31,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:31,853 INFO L85 PathProgramCache]: Analyzing trace with hash -2080656965, now seen corresponding path program 1 times [2025-01-10 01:57:31,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:31,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022945102] [2025-01-10 01:57:31,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:31,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:31,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-10 01:57:31,866 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-10 01:57:31,866 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:31,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:31,915 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:31,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:31,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022945102] [2025-01-10 01:57:31,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022945102] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:31,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085280711] [2025-01-10 01:57:31,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:31,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:31,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:31,919 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) [2025-01-10 01:57:31,933 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 [2025-01-10 01:57:31,954 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-10 01:57:31,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-10 01:57:31,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:31,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:31,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:57:31,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:32,114 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:32,114 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:32,206 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:32,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085280711] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:57:32,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:57:32,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-01-10 01:57:32,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574870146] [2025-01-10 01:57:32,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:32,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:57:32,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:32,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:57:32,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:57:32,208 INFO L87 Difference]: Start difference. First operand 1419 states and 1981 transitions. Second operand has 8 states, 7 states have (on average 26.0) internal successors, (182), 8 states have internal predecessors, (182), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-01-10 01:57:32,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:32,648 INFO L93 Difference]: Finished difference Result 1914 states and 2692 transitions. [2025-01-10 01:57:32,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:57:32,652 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.0) internal successors, (182), 8 states have internal predecessors, (182), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 100 [2025-01-10 01:57:32,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:32,663 INFO L225 Difference]: With dead ends: 1914 [2025-01-10 01:57:32,663 INFO L226 Difference]: Without dead ends: 1912 [2025-01-10 01:57:32,663 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:57:32,664 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 265 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:32,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 319 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:57:32,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2025-01-10 01:57:32,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1635. [2025-01-10 01:57:32,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1635 states, 1436 states have (on average 1.3823119777158774) internal successors, (1985), 1481 states have internal predecessors, (1985), 155 states have call successors, (155), 6 states have call predecessors, (155), 6 states have return successors, (155), 147 states have call predecessors, (155), 155 states have call successors, (155) [2025-01-10 01:57:32,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2295 transitions. [2025-01-10 01:57:32,772 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2295 transitions. Word has length 100 [2025-01-10 01:57:32,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:32,772 INFO L471 AbstractCegarLoop]: Abstraction has 1635 states and 2295 transitions. [2025-01-10 01:57:32,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.0) internal successors, (182), 8 states have internal predecessors, (182), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-01-10 01:57:32,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2295 transitions. [2025-01-10 01:57:32,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-01-10 01:57:32,773 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:32,773 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:32,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2025-01-10 01:57:32,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:32,973 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:32,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:32,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1235620527, now seen corresponding path program 1 times [2025-01-10 01:57:32,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:32,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973575986] [2025-01-10 01:57:32,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:32,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:32,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-01-10 01:57:32,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-01-10 01:57:32,981 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:32,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:33,030 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:33,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:33,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973575986] [2025-01-10 01:57:33,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973575986] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:33,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1791842715] [2025-01-10 01:57:33,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:33,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:33,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:33,036 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) [2025-01-10 01:57:33,042 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 [2025-01-10 01:57:33,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-01-10 01:57:33,082 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-01-10 01:57:33,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:33,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:33,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:57:33,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:33,250 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:33,250 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:33,335 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:33,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1791842715] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:57:33,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:57:33,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-01-10 01:57:33,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960641217] [2025-01-10 01:57:33,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:33,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:57:33,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:33,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:57:33,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:57:33,337 INFO L87 Difference]: Start difference. First operand 1635 states and 2295 transitions. Second operand has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-01-10 01:57:33,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:33,769 INFO L93 Difference]: Finished difference Result 2227 states and 3163 transitions. [2025-01-10 01:57:33,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:57:33,773 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 102 [2025-01-10 01:57:33,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:33,780 INFO L225 Difference]: With dead ends: 2227 [2025-01-10 01:57:33,783 INFO L226 Difference]: Without dead ends: 2225 [2025-01-10 01:57:33,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:57:33,784 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 277 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:33,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 367 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:57:33,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2225 states. [2025-01-10 01:57:33,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2225 to 1861. [2025-01-10 01:57:33,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1861 states, 1641 states have (on average 1.3833028641072518) internal successors, (2270), 1686 states have internal predecessors, (2270), 176 states have call successors, (176), 6 states have call predecessors, (176), 6 states have return successors, (176), 168 states have call predecessors, (176), 176 states have call successors, (176) [2025-01-10 01:57:33,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1861 states and 2622 transitions. [2025-01-10 01:57:33,881 INFO L78 Accepts]: Start accepts. Automaton has 1861 states and 2622 transitions. Word has length 102 [2025-01-10 01:57:33,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:33,882 INFO L471 AbstractCegarLoop]: Abstraction has 1861 states and 2622 transitions. [2025-01-10 01:57:33,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-01-10 01:57:33,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2622 transitions. [2025-01-10 01:57:33,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-01-10 01:57:33,882 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:33,882 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:33,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2025-01-10 01:57:34,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:34,083 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:34,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:34,083 INFO L85 PathProgramCache]: Analyzing trace with hash -988825377, now seen corresponding path program 1 times [2025-01-10 01:57:34,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:34,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156588174] [2025-01-10 01:57:34,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:34,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:34,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-01-10 01:57:34,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-01-10 01:57:34,093 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:34,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:34,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117226440] [2025-01-10 01:57:34,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:34,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:34,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:34,100 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) [2025-01-10 01:57:34,104 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 [2025-01-10 01:57:34,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-01-10 01:57:34,140 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-01-10 01:57:34,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:34,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:34,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-10 01:57:34,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:34,551 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-01-10 01:57:34,551 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:34,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:34,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156588174] [2025-01-10 01:57:34,638 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:34,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117226440] [2025-01-10 01:57:34,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117226440] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:34,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:34,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-01-10 01:57:34,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808731245] [2025-01-10 01:57:34,638 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:34,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 01:57:34,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:34,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 01:57:34,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:57:34,639 INFO L87 Difference]: Start difference. First operand 1861 states and 2622 transitions. Second operand has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 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) [2025-01-10 01:57:35,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:35,591 INFO L93 Difference]: Finished difference Result 1923 states and 2704 transitions. [2025-01-10 01:57:35,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 01:57:35,591 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 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 108 [2025-01-10 01:57:35,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:35,601 INFO L225 Difference]: With dead ends: 1923 [2025-01-10 01:57:35,601 INFO L226 Difference]: Without dead ends: 1919 [2025-01-10 01:57:35,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=174, Invalid=476, Unknown=0, NotChecked=0, Total=650 [2025-01-10 01:57:35,605 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 412 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 1515 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 1554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:35,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 576 Invalid, 1554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1515 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 01:57:35,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1919 states. [2025-01-10 01:57:35,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1919 to 1881. [2025-01-10 01:57:35,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1881 states, 1659 states have (on average 1.379746835443038) internal successors, (2289), 1704 states have internal predecessors, (2289), 178 states have call successors, (178), 6 states have call predecessors, (178), 6 states have return successors, (178), 170 states have call predecessors, (178), 178 states have call successors, (178) [2025-01-10 01:57:35,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2645 transitions. [2025-01-10 01:57:35,716 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2645 transitions. Word has length 108 [2025-01-10 01:57:35,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:35,718 INFO L471 AbstractCegarLoop]: Abstraction has 1881 states and 2645 transitions. [2025-01-10 01:57:35,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 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) [2025-01-10 01:57:35,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2645 transitions. [2025-01-10 01:57:35,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-01-10 01:57:35,718 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:35,719 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:35,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-01-10 01:57:35,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:35,919 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:35,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:35,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1140984957, now seen corresponding path program 2 times [2025-01-10 01:57:35,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:35,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605200286] [2025-01-10 01:57:35,920 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:57:35,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:35,924 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 108 statements into 2 equivalence classes. [2025-01-10 01:57:35,931 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 108 of 108 statements. [2025-01-10 01:57:35,932 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:57:35,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:35,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [991837486] [2025-01-10 01:57:35,932 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:57:35,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:35,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:35,934 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) [2025-01-10 01:57:35,936 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 [2025-01-10 01:57:35,974 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 108 statements into 2 equivalence classes. [2025-01-10 01:57:36,005 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 108 of 108 statements. [2025-01-10 01:57:36,006 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:57:36,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:36,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 01:57:36,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:36,249 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:36,249 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:37,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:37,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605200286] [2025-01-10 01:57:37,641 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:37,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991837486] [2025-01-10 01:57:37,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991837486] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:37,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:37,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-01-10 01:57:37,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186780844] [2025-01-10 01:57:37,642 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:37,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:57:37,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:37,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:57:37,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=33, Unknown=1, NotChecked=0, Total=56 [2025-01-10 01:57:37,642 INFO L87 Difference]: Start difference. First operand 1881 states and 2645 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 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) [2025-01-10 01:57:38,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:38,304 INFO L93 Difference]: Finished difference Result 1955 states and 2743 transitions. [2025-01-10 01:57:38,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 01:57:38,305 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 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 108 [2025-01-10 01:57:38,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:38,308 INFO L225 Difference]: With dead ends: 1955 [2025-01-10 01:57:38,308 INFO L226 Difference]: Without dead ends: 1951 [2025-01-10 01:57:38,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=63, Invalid=92, Unknown=1, NotChecked=0, Total=156 [2025-01-10 01:57:38,309 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 158 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:38,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 322 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:57:38,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2025-01-10 01:57:38,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1859. [2025-01-10 01:57:38,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1643 states have (on average 1.328058429701765) internal successors, (2182), 1684 states have internal predecessors, (2182), 176 states have call successors, (176), 6 states have call predecessors, (176), 6 states have return successors, (176), 168 states have call predecessors, (176), 176 states have call successors, (176) [2025-01-10 01:57:38,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2534 transitions. [2025-01-10 01:57:38,400 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2534 transitions. Word has length 108 [2025-01-10 01:57:38,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:38,400 INFO L471 AbstractCegarLoop]: Abstraction has 1859 states and 2534 transitions. [2025-01-10 01:57:38,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 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) [2025-01-10 01:57:38,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2534 transitions. [2025-01-10 01:57:38,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-01-10 01:57:38,401 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:38,401 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:38,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-01-10 01:57:38,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:38,604 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:38,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:38,604 INFO L85 PathProgramCache]: Analyzing trace with hash -588815562, now seen corresponding path program 1 times [2025-01-10 01:57:38,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:38,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820190868] [2025-01-10 01:57:38,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:38,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:38,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-10 01:57:38,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 01:57:38,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:38,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:38,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [551503211] [2025-01-10 01:57:38,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:38,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:38,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:38,627 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) [2025-01-10 01:57:38,629 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 [2025-01-10 01:57:38,650 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-01-10 01:57:38,667 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 01:57:38,668 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:38,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:38,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 01:57:38,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2025-01-10 01:57:39,065 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:39,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:39,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820190868] [2025-01-10 01:57:39,267 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:39,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551503211] [2025-01-10 01:57:39,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551503211] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:39,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:39,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-01-10 01:57:39,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597352568] [2025-01-10 01:57:39,267 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:39,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 01:57:39,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:39,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 01:57:39,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:57:39,268 INFO L87 Difference]: Start difference. First operand 1859 states and 2534 transitions. Second operand has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 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) [2025-01-10 01:57:39,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:39,954 INFO L93 Difference]: Finished difference Result 1888 states and 2562 transitions. [2025-01-10 01:57:39,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:57:39,954 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 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 109 [2025-01-10 01:57:39,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:39,958 INFO L225 Difference]: With dead ends: 1888 [2025-01-10 01:57:39,958 INFO L226 Difference]: Without dead ends: 1886 [2025-01-10 01:57:39,958 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2025-01-10 01:57:39,959 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 425 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:39,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 307 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:57:39,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1886 states. [2025-01-10 01:57:40,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1886 to 1859. [2025-01-10 01:57:40,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1643 states have (on average 1.3268411442483263) internal successors, (2180), 1684 states have internal predecessors, (2180), 176 states have call successors, (176), 6 states have call predecessors, (176), 6 states have return successors, (176), 168 states have call predecessors, (176), 176 states have call successors, (176) [2025-01-10 01:57:40,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2532 transitions. [2025-01-10 01:57:40,083 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2532 transitions. Word has length 109 [2025-01-10 01:57:40,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:40,084 INFO L471 AbstractCegarLoop]: Abstraction has 1859 states and 2532 transitions. [2025-01-10 01:57:40,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 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) [2025-01-10 01:57:40,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2532 transitions. [2025-01-10 01:57:40,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-01-10 01:57:40,084 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:40,085 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:40,090 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 [2025-01-10 01:57:40,285 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,SelfDestructingSolverStorable44 [2025-01-10 01:57:40,286 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:40,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:40,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1010795246, now seen corresponding path program 2 times [2025-01-10 01:57:40,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:40,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329144722] [2025-01-10 01:57:40,286 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:57:40,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:40,291 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 109 statements into 2 equivalence classes. [2025-01-10 01:57:40,297 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 01:57:40,298 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:57:40,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:40,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1075825621] [2025-01-10 01:57:40,298 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:57:40,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:40,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:40,300 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) [2025-01-10 01:57:40,301 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 [2025-01-10 01:57:40,325 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 109 statements into 2 equivalence classes. [2025-01-10 01:57:40,344 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 01:57:40,344 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:57:40,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:40,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 01:57:40,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:40,631 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:40,632 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:41,011 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:41,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:41,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329144722] [2025-01-10 01:57:41,011 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:41,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1075825621] [2025-01-10 01:57:41,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1075825621] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:57:41,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:57:41,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-01-10 01:57:41,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194736324] [2025-01-10 01:57:41,012 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:41,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:57:41,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:41,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:57:41,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:57:41,013 INFO L87 Difference]: Start difference. First operand 1859 states and 2532 transitions. Second operand has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-01-10 01:57:43,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:43,415 INFO L93 Difference]: Finished difference Result 1938 states and 2613 transitions. [2025-01-10 01:57:43,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:57:43,415 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 109 [2025-01-10 01:57:43,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:43,418 INFO L225 Difference]: With dead ends: 1938 [2025-01-10 01:57:43,418 INFO L226 Difference]: Without dead ends: 1935 [2025-01-10 01:57:43,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:57:43,422 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 470 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 1062 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 1113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:43,423 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 548 Invalid, 1113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1062 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-01-10 01:57:43,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2025-01-10 01:57:43,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 1871. [2025-01-10 01:57:43,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1871 states, 1654 states have (on average 1.3216444981862152) internal successors, (2186), 1695 states have internal predecessors, (2186), 177 states have call successors, (177), 6 states have call predecessors, (177), 6 states have return successors, (177), 169 states have call predecessors, (177), 177 states have call successors, (177) [2025-01-10 01:57:43,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2540 transitions. [2025-01-10 01:57:43,538 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2540 transitions. Word has length 109 [2025-01-10 01:57:43,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:43,538 INFO L471 AbstractCegarLoop]: Abstraction has 1871 states and 2540 transitions. [2025-01-10 01:57:43,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-01-10 01:57:43,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2540 transitions. [2025-01-10 01:57:43,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-01-10 01:57:43,539 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:43,539 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:43,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2025-01-10 01:57:43,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-01-10 01:57:43,740 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:43,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:43,740 INFO L85 PathProgramCache]: Analyzing trace with hash -2112660531, now seen corresponding path program 1 times [2025-01-10 01:57:43,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:43,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420218257] [2025-01-10 01:57:43,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:43,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:43,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-01-10 01:57:43,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-01-10 01:57:43,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:43,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:43,831 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-01-10 01:57:43,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:43,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420218257] [2025-01-10 01:57:43,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420218257] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:57:43,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:57:43,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 01:57:43,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364138655] [2025-01-10 01:57:43,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:43,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:57:43,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:43,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:57:43,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:57:43,832 INFO L87 Difference]: Start difference. First operand 1871 states and 2540 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2025-01-10 01:57:44,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:44,599 INFO L93 Difference]: Finished difference Result 1915 states and 2583 transitions. [2025-01-10 01:57:44,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:57:44,599 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 111 [2025-01-10 01:57:44,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:44,603 INFO L225 Difference]: With dead ends: 1915 [2025-01-10 01:57:44,603 INFO L226 Difference]: Without dead ends: 1897 [2025-01-10 01:57:44,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:57:44,604 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 234 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:44,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 239 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 01:57:44,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1897 states. [2025-01-10 01:57:44,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1897 to 1859. [2025-01-10 01:57:44,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1645 states have (on average 1.3179331306990882) internal successors, (2168), 1684 states have internal predecessors, (2168), 174 states have call successors, (174), 6 states have call predecessors, (174), 6 states have return successors, (174), 168 states have call predecessors, (174), 174 states have call successors, (174) [2025-01-10 01:57:44,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2516 transitions. [2025-01-10 01:57:44,707 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2516 transitions. Word has length 111 [2025-01-10 01:57:44,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:44,707 INFO L471 AbstractCegarLoop]: Abstraction has 1859 states and 2516 transitions. [2025-01-10 01:57:44,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2025-01-10 01:57:44,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2516 transitions. [2025-01-10 01:57:44,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-01-10 01:57:44,707 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:44,707 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:44,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2025-01-10 01:57:44,708 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:44,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:44,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1083929752, now seen corresponding path program 1 times [2025-01-10 01:57:44,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:44,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125485598] [2025-01-10 01:57:44,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:44,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:44,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-01-10 01:57:44,723 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-01-10 01:57:44,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:44,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:44,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1398590438] [2025-01-10 01:57:44,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:44,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:44,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:44,728 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) [2025-01-10 01:57:44,731 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 [2025-01-10 01:57:44,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-01-10 01:57:44,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-01-10 01:57:44,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:44,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:44,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 01:57:44,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:45,061 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:45,061 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:45,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:45,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125485598] [2025-01-10 01:57:45,180 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:45,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398590438] [2025-01-10 01:57:45,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398590438] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:45,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:45,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-01-10 01:57:45,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026652804] [2025-01-10 01:57:45,181 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:45,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:57:45,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:45,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:57:45,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:57:45,182 INFO L87 Difference]: Start difference. First operand 1859 states and 2516 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 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) [2025-01-10 01:57:45,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:45,564 INFO L93 Difference]: Finished difference Result 1879 states and 2536 transitions. [2025-01-10 01:57:45,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:57:45,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 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 111 [2025-01-10 01:57:45,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:45,568 INFO L225 Difference]: With dead ends: 1879 [2025-01-10 01:57:45,571 INFO L226 Difference]: Without dead ends: 1877 [2025-01-10 01:57:45,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:57:45,572 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 88 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:45,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 247 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:57:45,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2025-01-10 01:57:45,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1859. [2025-01-10 01:57:45,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1645 states have (on average 1.3167173252279636) internal successors, (2166), 1684 states have internal predecessors, (2166), 174 states have call successors, (174), 6 states have call predecessors, (174), 6 states have return successors, (174), 168 states have call predecessors, (174), 174 states have call successors, (174) [2025-01-10 01:57:45,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2514 transitions. [2025-01-10 01:57:45,660 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2514 transitions. Word has length 111 [2025-01-10 01:57:45,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:45,661 INFO L471 AbstractCegarLoop]: Abstraction has 1859 states and 2514 transitions. [2025-01-10 01:57:45,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 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) [2025-01-10 01:57:45,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2514 transitions. [2025-01-10 01:57:45,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-01-10 01:57:45,661 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:45,661 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:45,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2025-01-10 01:57:45,866 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,SelfDestructingSolverStorable47 [2025-01-10 01:57:45,866 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:45,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:45,866 INFO L85 PathProgramCache]: Analyzing trace with hash -711620748, now seen corresponding path program 2 times [2025-01-10 01:57:45,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:45,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372013105] [2025-01-10 01:57:45,866 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:57:45,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:45,870 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes. [2025-01-10 01:57:45,880 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 111 of 111 statements. [2025-01-10 01:57:45,881 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:57:45,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:45,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1709837022] [2025-01-10 01:57:45,882 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:57:45,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:45,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:45,885 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) [2025-01-10 01:57:45,886 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 [2025-01-10 01:57:45,906 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 111 statements into 2 equivalence classes. [2025-01-10 01:57:45,924 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 111 of 111 statements. [2025-01-10 01:57:45,924 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:57:45,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:45,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 01:57:45,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:46,181 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:46,181 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:46,597 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:46,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:46,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372013105] [2025-01-10 01:57:46,598 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:46,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709837022] [2025-01-10 01:57:46,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709837022] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:57:46,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:57:46,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2025-01-10 01:57:46,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797705562] [2025-01-10 01:57:46,599 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:46,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:57:46,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:46,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:57:46,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:57:46,599 INFO L87 Difference]: Start difference. First operand 1859 states and 2514 transitions. Second operand has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-01-10 01:57:49,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:49,455 INFO L93 Difference]: Finished difference Result 1880 states and 2536 transitions. [2025-01-10 01:57:49,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:57:49,455 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 111 [2025-01-10 01:57:49,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:49,459 INFO L225 Difference]: With dead ends: 1880 [2025-01-10 01:57:49,459 INFO L226 Difference]: Without dead ends: 1878 [2025-01-10 01:57:49,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:57:49,460 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 245 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:49,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 484 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2025-01-10 01:57:49,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2025-01-10 01:57:49,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 1861. [2025-01-10 01:57:49,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1861 states, 1647 states have (on average 1.3126897389192471) internal successors, (2162), 1686 states have internal predecessors, (2162), 174 states have call successors, (174), 6 states have call predecessors, (174), 6 states have return successors, (174), 168 states have call predecessors, (174), 174 states have call successors, (174) [2025-01-10 01:57:49,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1861 states and 2510 transitions. [2025-01-10 01:57:49,565 INFO L78 Accepts]: Start accepts. Automaton has 1861 states and 2510 transitions. Word has length 111 [2025-01-10 01:57:49,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:49,566 INFO L471 AbstractCegarLoop]: Abstraction has 1861 states and 2510 transitions. [2025-01-10 01:57:49,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-01-10 01:57:49,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2510 transitions. [2025-01-10 01:57:49,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-01-10 01:57:49,566 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:49,566 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:49,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2025-01-10 01:57:49,767 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,SelfDestructingSolverStorable48 [2025-01-10 01:57:49,769 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:49,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:49,769 INFO L85 PathProgramCache]: Analyzing trace with hash -757915997, now seen corresponding path program 1 times [2025-01-10 01:57:49,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:49,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385572718] [2025-01-10 01:57:49,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:49,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:49,772 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-01-10 01:57:49,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-01-10 01:57:49,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:49,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:49,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612065539] [2025-01-10 01:57:49,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:49,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:49,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:49,786 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) [2025-01-10 01:57:49,791 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 [2025-01-10 01:57:49,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-01-10 01:57:49,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-01-10 01:57:49,828 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:49,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:49,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 01:57:49,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:50,206 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:50,206 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:50,361 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2025-01-10 01:57:50,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:50,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385572718] [2025-01-10 01:57:50,361 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:50,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612065539] [2025-01-10 01:57:50,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612065539] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:50,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:50,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-01-10 01:57:50,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747645260] [2025-01-10 01:57:50,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:50,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:57:50,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:50,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:57:50,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:57:50,363 INFO L87 Difference]: Start difference. First operand 1861 states and 2510 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 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) [2025-01-10 01:57:50,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:50,823 INFO L93 Difference]: Finished difference Result 1861 states and 2510 transitions. [2025-01-10 01:57:50,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:57:50,824 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 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 112 [2025-01-10 01:57:50,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:50,831 INFO L225 Difference]: With dead ends: 1861 [2025-01-10 01:57:50,831 INFO L226 Difference]: Without dead ends: 1860 [2025-01-10 01:57:50,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 213 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:57:50,832 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 93 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:50,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 133 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:57:50,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2025-01-10 01:57:51,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1860. [2025-01-10 01:57:51,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1860 states, 1647 states have (on average 1.2932604735883424) internal successors, (2130), 1685 states have internal predecessors, (2130), 174 states have call successors, (174), 6 states have call predecessors, (174), 6 states have return successors, (174), 168 states have call predecessors, (174), 174 states have call successors, (174) [2025-01-10 01:57:51,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1860 states and 2478 transitions. [2025-01-10 01:57:51,032 INFO L78 Accepts]: Start accepts. Automaton has 1860 states and 2478 transitions. Word has length 112 [2025-01-10 01:57:51,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:51,032 INFO L471 AbstractCegarLoop]: Abstraction has 1860 states and 2478 transitions. [2025-01-10 01:57:51,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 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) [2025-01-10 01:57:51,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2478 transitions. [2025-01-10 01:57:51,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-01-10 01:57:51,033 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:51,033 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:51,039 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2025-01-10 01:57:51,233 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,SelfDestructingSolverStorable49 [2025-01-10 01:57:51,235 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:51,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:51,235 INFO L85 PathProgramCache]: Analyzing trace with hash -2020559366, now seen corresponding path program 1 times [2025-01-10 01:57:51,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:51,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955524259] [2025-01-10 01:57:51,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:51,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:51,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-01-10 01:57:51,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-01-10 01:57:51,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:51,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:51,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [946004932] [2025-01-10 01:57:51,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:51,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:51,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:51,256 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) [2025-01-10 01:57:51,267 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 [2025-01-10 01:57:51,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-01-10 01:57:51,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-01-10 01:57:51,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:51,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:51,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 01:57:51,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:51,659 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 01:57:51,659 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2025-01-10 01:57:51,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:51,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955524259] [2025-01-10 01:57:51,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:51,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946004932] [2025-01-10 01:57:51,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946004932] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:51,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:51,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-01-10 01:57:51,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663676721] [2025-01-10 01:57:51,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:57:51,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:57:51,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:51,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:57:51,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:57:51,959 INFO L87 Difference]: Start difference. First operand 1860 states and 2478 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 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) [2025-01-10 01:57:53,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:53,098 INFO L93 Difference]: Finished difference Result 1860 states and 2478 transitions. [2025-01-10 01:57:53,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:57:53,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 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 113 [2025-01-10 01:57:53,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:53,105 INFO L225 Difference]: With dead ends: 1860 [2025-01-10 01:57:53,105 INFO L226 Difference]: Without dead ends: 1857 [2025-01-10 01:57:53,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 215 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:57:53,106 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 93 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:53,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 133 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-01-10 01:57:53,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2025-01-10 01:57:53,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1857. [2025-01-10 01:57:53,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1857 states, 1647 states have (on average 1.2616879174256224) internal successors, (2078), 1682 states have internal predecessors, (2078), 174 states have call successors, (174), 6 states have call predecessors, (174), 6 states have return successors, (174), 168 states have call predecessors, (174), 174 states have call successors, (174) [2025-01-10 01:57:53,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1857 states and 2426 transitions. [2025-01-10 01:57:53,211 INFO L78 Accepts]: Start accepts. Automaton has 1857 states and 2426 transitions. Word has length 113 [2025-01-10 01:57:53,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:53,211 INFO L471 AbstractCegarLoop]: Abstraction has 1857 states and 2426 transitions. [2025-01-10 01:57:53,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 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) [2025-01-10 01:57:53,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2426 transitions. [2025-01-10 01:57:53,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-01-10 01:57:53,213 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:53,213 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:53,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2025-01-10 01:57:53,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,44 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:53,417 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:53,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:53,418 INFO L85 PathProgramCache]: Analyzing trace with hash -2026307642, now seen corresponding path program 2 times [2025-01-10 01:57:53,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:53,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749424210] [2025-01-10 01:57:53,418 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:57:53,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:53,422 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 119 statements into 2 equivalence classes. [2025-01-10 01:57:53,431 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 119 of 119 statements. [2025-01-10 01:57:53,433 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:57:53,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:53,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2029785515] [2025-01-10 01:57:53,434 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:57:53,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:53,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:53,436 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) [2025-01-10 01:57:53,438 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 [2025-01-10 01:57:53,456 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 119 statements into 2 equivalence classes. [2025-01-10 01:57:53,475 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 119 of 119 statements. [2025-01-10 01:57:53,475 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:57:53,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:53,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 01:57:53,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:53,895 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 3 proven. 57 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-01-10 01:57:53,895 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:53,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:53,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749424210] [2025-01-10 01:57:53,966 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:53,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029785515] [2025-01-10 01:57:53,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029785515] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:53,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:53,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 01:57:53,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625098942] [2025-01-10 01:57:53,966 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:53,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:57:53,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:53,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:57:53,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:57:53,968 INFO L87 Difference]: Start difference. First operand 1857 states and 2426 transitions. Second operand has 9 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2025-01-10 01:57:54,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:54,426 INFO L93 Difference]: Finished difference Result 2265 states and 2960 transitions. [2025-01-10 01:57:54,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 01:57:54,426 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 119 [2025-01-10 01:57:54,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:54,429 INFO L225 Difference]: With dead ends: 2265 [2025-01-10 01:57:54,429 INFO L226 Difference]: Without dead ends: 2263 [2025-01-10 01:57:54,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:57:54,430 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 370 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:54,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 423 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:57:54,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2025-01-10 01:57:54,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 1930. [2025-01-10 01:57:54,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1930 states, 1713 states have (on average 1.2650321074138937) internal successors, (2167), 1748 states have internal predecessors, (2167), 181 states have call successors, (181), 6 states have call predecessors, (181), 6 states have return successors, (181), 175 states have call predecessors, (181), 181 states have call successors, (181) [2025-01-10 01:57:54,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1930 states and 2529 transitions. [2025-01-10 01:57:54,619 INFO L78 Accepts]: Start accepts. Automaton has 1930 states and 2529 transitions. Word has length 119 [2025-01-10 01:57:54,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:54,619 INFO L471 AbstractCegarLoop]: Abstraction has 1930 states and 2529 transitions. [2025-01-10 01:57:54,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2025-01-10 01:57:54,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 2529 transitions. [2025-01-10 01:57:54,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-01-10 01:57:54,627 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:54,627 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:54,640 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2025-01-10 01:57:54,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,45 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:54,828 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:54,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:54,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1591158156, now seen corresponding path program 1 times [2025-01-10 01:57:54,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:54,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191613454] [2025-01-10 01:57:54,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:54,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:54,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-10 01:57:54,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-10 01:57:54,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:54,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:54,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1895904627] [2025-01-10 01:57:54,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:54,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:54,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:54,852 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) [2025-01-10 01:57:54,853 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 [2025-01-10 01:57:54,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-10 01:57:54,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-10 01:57:54,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:54,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:54,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 01:57:54,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:55,336 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-01-10 01:57:55,336 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:55,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:55,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191613454] [2025-01-10 01:57:55,541 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:55,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895904627] [2025-01-10 01:57:55,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895904627] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:55,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:55,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-01-10 01:57:55,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047030787] [2025-01-10 01:57:55,542 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:55,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:57:55,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:55,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:57:55,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:57:55,543 INFO L87 Difference]: Start difference. First operand 1930 states and 2529 transitions. Second operand has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2025-01-10 01:57:56,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:56,168 INFO L93 Difference]: Finished difference Result 2045 states and 2678 transitions. [2025-01-10 01:57:56,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 01:57:56,169 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 122 [2025-01-10 01:57:56,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:56,171 INFO L225 Difference]: With dead ends: 2045 [2025-01-10 01:57:56,171 INFO L226 Difference]: Without dead ends: 2044 [2025-01-10 01:57:56,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:57:56,172 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 171 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:56,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 465 Invalid, 867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 866 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:57:56,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2025-01-10 01:57:56,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 1930. [2025-01-10 01:57:56,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1930 states, 1713 states have (on average 1.2644483362521892) internal successors, (2166), 1748 states have internal predecessors, (2166), 181 states have call successors, (181), 6 states have call predecessors, (181), 6 states have return successors, (181), 175 states have call predecessors, (181), 181 states have call successors, (181) [2025-01-10 01:57:56,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1930 states and 2528 transitions. [2025-01-10 01:57:56,279 INFO L78 Accepts]: Start accepts. Automaton has 1930 states and 2528 transitions. Word has length 122 [2025-01-10 01:57:56,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:56,279 INFO L471 AbstractCegarLoop]: Abstraction has 1930 states and 2528 transitions. [2025-01-10 01:57:56,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.222222222222221) internal successors, (83), 10 states have internal predecessors, (83), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2025-01-10 01:57:56,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 2528 transitions. [2025-01-10 01:57:56,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-01-10 01:57:56,280 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:56,280 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:56,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2025-01-10 01:57:56,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,46 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:56,481 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:56,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:56,482 INFO L85 PathProgramCache]: Analyzing trace with hash 2081262652, now seen corresponding path program 1 times [2025-01-10 01:57:56,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:56,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363033524] [2025-01-10 01:57:56,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:56,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:56,485 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-01-10 01:57:56,491 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-01-10 01:57:56,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:56,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:56,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [61218769] [2025-01-10 01:57:56,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:57:56,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:56,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:56,493 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) [2025-01-10 01:57:56,496 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 [2025-01-10 01:57:56,517 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-01-10 01:57:56,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-01-10 01:57:56,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:57:56,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:56,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-10 01:57:56,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:57,111 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 15 proven. 62 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2025-01-10 01:57:57,111 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:57:57,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:57:57,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363033524] [2025-01-10 01:57:57,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:57:57,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61218769] [2025-01-10 01:57:57,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61218769] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:57:57,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:57:57,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 01:57:57,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036992739] [2025-01-10 01:57:57,250 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:57:57,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:57:57,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:57:57,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:57:57,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:57:57,251 INFO L87 Difference]: Start difference. First operand 1930 states and 2528 transitions. Second operand has 11 states, 10 states have (on average 8.7) internal successors, (87), 11 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2025-01-10 01:57:58,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:57:58,201 INFO L93 Difference]: Finished difference Result 2047 states and 2681 transitions. [2025-01-10 01:57:58,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:57:58,202 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.7) internal successors, (87), 11 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 123 [2025-01-10 01:57:58,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:57:58,204 INFO L225 Difference]: With dead ends: 2047 [2025-01-10 01:57:58,204 INFO L226 Difference]: Without dead ends: 2014 [2025-01-10 01:57:58,205 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2025-01-10 01:57:58,205 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 83 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 1816 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 1823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-10 01:57:58,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 479 Invalid, 1823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1816 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-10 01:57:58,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2014 states. [2025-01-10 01:57:58,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2014 to 1906. [2025-01-10 01:57:58,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1906 states, 1692 states have (on average 1.2653664302600474) internal successors, (2141), 1726 states have internal predecessors, (2141), 178 states have call successors, (178), 6 states have call predecessors, (178), 6 states have return successors, (178), 173 states have call predecessors, (178), 178 states have call successors, (178) [2025-01-10 01:57:58,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1906 states and 2497 transitions. [2025-01-10 01:57:58,309 INFO L78 Accepts]: Start accepts. Automaton has 1906 states and 2497 transitions. Word has length 123 [2025-01-10 01:57:58,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:57:58,309 INFO L471 AbstractCegarLoop]: Abstraction has 1906 states and 2497 transitions. [2025-01-10 01:57:58,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.7) internal successors, (87), 11 states have internal predecessors, (87), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2025-01-10 01:57:58,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2497 transitions. [2025-01-10 01:57:58,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-01-10 01:57:58,310 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:57:58,310 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:57:58,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2025-01-10 01:57:58,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2025-01-10 01:57:58,512 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:57:58,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:57:58,512 INFO L85 PathProgramCache]: Analyzing trace with hash -773172153, now seen corresponding path program 2 times [2025-01-10 01:57:58,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:57:58,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84833882] [2025-01-10 01:57:58,512 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:57:58,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:57:58,516 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 130 statements into 2 equivalence classes. [2025-01-10 01:57:58,521 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 130 of 130 statements. [2025-01-10 01:57:58,521 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:57:58,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:57:58,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1263285616] [2025-01-10 01:57:58,522 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:57:58,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:57:58,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:57:58,526 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:57:58,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-01-10 01:57:58,547 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 130 statements into 2 equivalence classes. [2025-01-10 01:57:58,567 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 130 of 130 statements. [2025-01-10 01:57:58,567 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:57:58,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:57:58,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 01:57:58,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:57:58,962 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2025-01-10 01:57:58,963 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:58:00,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:00,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84833882] [2025-01-10 01:58:00,463 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:00,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263285616] [2025-01-10 01:58:00,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263285616] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:00,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:58:00,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 01:58:00,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258383102] [2025-01-10 01:58:00,463 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:58:00,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:58:00,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:00,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:58:00,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=76, Unknown=1, NotChecked=0, Total=110 [2025-01-10 01:58:00,464 INFO L87 Difference]: Start difference. First operand 1906 states and 2497 transitions. Second operand has 9 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 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) [2025-01-10 01:58:00,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:00,882 INFO L93 Difference]: Finished difference Result 2303 states and 3026 transitions. [2025-01-10 01:58:00,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 01:58:00,882 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 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 130 [2025-01-10 01:58:00,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:00,888 INFO L225 Difference]: With dead ends: 2303 [2025-01-10 01:58:00,888 INFO L226 Difference]: Without dead ends: 2301 [2025-01-10 01:58:00,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=42, Invalid=89, Unknown=1, NotChecked=0, Total=132 [2025-01-10 01:58:00,889 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 299 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:00,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 453 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:58:00,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2301 states. [2025-01-10 01:58:01,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2301 to 1974. [2025-01-10 01:58:01,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1974 states, 1754 states have (on average 1.2679589509692133) internal successors, (2224), 1788 states have internal predecessors, (2224), 184 states have call successors, (184), 6 states have call predecessors, (184), 6 states have return successors, (184), 179 states have call predecessors, (184), 184 states have call successors, (184) [2025-01-10 01:58:01,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 2592 transitions. [2025-01-10 01:58:01,073 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 2592 transitions. Word has length 130 [2025-01-10 01:58:01,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:01,074 INFO L471 AbstractCegarLoop]: Abstraction has 1974 states and 2592 transitions. [2025-01-10 01:58:01,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 12.714285714285714) internal successors, (89), 8 states have internal predecessors, (89), 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) [2025-01-10 01:58:01,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2592 transitions. [2025-01-10 01:58:01,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-01-10 01:58:01,074 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:01,075 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:01,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2025-01-10 01:58:01,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,48 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:01,275 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:58:01,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:01,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1314761576, now seen corresponding path program 1 times [2025-01-10 01:58:01,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:01,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014589019] [2025-01-10 01:58:01,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:01,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:01,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-01-10 01:58:01,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-01-10 01:58:01,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:01,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:01,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1011558684] [2025-01-10 01:58:01,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:01,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:01,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:01,290 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:58:01,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2025-01-10 01:58:01,314 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-01-10 01:58:01,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-01-10 01:58:01,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:01,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:01,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:58:01,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:01,800 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2025-01-10 01:58:01,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:58:06,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:06,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014589019] [2025-01-10 01:58:06,099 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:06,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011558684] [2025-01-10 01:58:06,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011558684] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:06,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:58:06,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 01:58:06,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632564058] [2025-01-10 01:58:06,099 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:58:06,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:58:06,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:06,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:58:06,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=93, Unknown=1, NotChecked=0, Total=132 [2025-01-10 01:58:06,100 INFO L87 Difference]: Start difference. First operand 1974 states and 2592 transitions. Second operand has 9 states, 8 states have (on average 11.125) internal successors, (89), 9 states have internal predecessors, (89), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 01:58:06,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:06,708 INFO L93 Difference]: Finished difference Result 2076 states and 2726 transitions. [2025-01-10 01:58:06,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:58:06,708 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.125) internal successors, (89), 9 states have internal predecessors, (89), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 133 [2025-01-10 01:58:06,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:06,711 INFO L225 Difference]: With dead ends: 2076 [2025-01-10 01:58:06,711 INFO L226 Difference]: Without dead ends: 2075 [2025-01-10 01:58:06,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=47, Invalid=108, Unknown=1, NotChecked=0, Total=156 [2025-01-10 01:58:06,711 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 144 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:06,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 386 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:58:06,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2075 states. [2025-01-10 01:58:06,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2075 to 1974. [2025-01-10 01:58:06,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1974 states, 1754 states have (on average 1.2673888255416192) internal successors, (2223), 1788 states have internal predecessors, (2223), 184 states have call successors, (184), 6 states have call predecessors, (184), 6 states have return successors, (184), 179 states have call predecessors, (184), 184 states have call successors, (184) [2025-01-10 01:58:06,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 2591 transitions. [2025-01-10 01:58:06,825 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 2591 transitions. Word has length 133 [2025-01-10 01:58:06,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:06,825 INFO L471 AbstractCegarLoop]: Abstraction has 1974 states and 2591 transitions. [2025-01-10 01:58:06,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.125) internal successors, (89), 9 states have internal predecessors, (89), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 01:58:06,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2591 transitions. [2025-01-10 01:58:06,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-01-10 01:58:06,826 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:06,826 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:06,834 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2025-01-10 01:58:07,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2025-01-10 01:58:07,027 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:58:07,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:07,028 INFO L85 PathProgramCache]: Analyzing trace with hash -2102903107, now seen corresponding path program 1 times [2025-01-10 01:58:07,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:07,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997942880] [2025-01-10 01:58:07,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:07,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:07,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-10 01:58:07,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-10 01:58:07,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:07,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:07,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [526143138] [2025-01-10 01:58:07,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:07,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:07,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:07,039 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:58:07,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2025-01-10 01:58:07,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-10 01:58:07,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-10 01:58:07,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:07,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:07,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-10 01:58:07,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:07,763 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 21 proven. 73 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-01-10 01:58:07,763 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:58:07,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:07,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997942880] [2025-01-10 01:58:07,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:07,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526143138] [2025-01-10 01:58:07,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526143138] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:07,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:58:07,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 01:58:07,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254426969] [2025-01-10 01:58:07,819 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:58:07,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 01:58:07,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:07,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 01:58:07,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:58:07,820 INFO L87 Difference]: Start difference. First operand 1974 states and 2591 transitions. Second operand has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 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) [2025-01-10 01:58:08,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:08,851 INFO L93 Difference]: Finished difference Result 2083 states and 2735 transitions. [2025-01-10 01:58:08,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 01:58:08,852 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 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 134 [2025-01-10 01:58:08,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:08,854 INFO L225 Difference]: With dead ends: 2083 [2025-01-10 01:58:08,854 INFO L226 Difference]: Without dead ends: 2079 [2025-01-10 01:58:08,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:58:08,859 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 145 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 1994 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 2010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1994 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:08,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 577 Invalid, 2010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1994 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 01:58:08,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2079 states. [2025-01-10 01:58:08,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2079 to 1958. [2025-01-10 01:58:08,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1958 states, 1740 states have (on average 1.2666666666666666) internal successors, (2204), 1773 states have internal predecessors, (2204), 182 states have call successors, (182), 6 states have call predecessors, (182), 6 states have return successors, (182), 178 states have call predecessors, (182), 182 states have call successors, (182) [2025-01-10 01:58:08,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1958 states to 1958 states and 2568 transitions. [2025-01-10 01:58:08,972 INFO L78 Accepts]: Start accepts. Automaton has 1958 states and 2568 transitions. Word has length 134 [2025-01-10 01:58:08,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:08,972 INFO L471 AbstractCegarLoop]: Abstraction has 1958 states and 2568 transitions. [2025-01-10 01:58:08,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 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) [2025-01-10 01:58:08,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1958 states and 2568 transitions. [2025-01-10 01:58:08,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-01-10 01:58:08,973 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:08,973 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:08,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2025-01-10 01:58:09,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2025-01-10 01:58:09,174 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:58:09,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:09,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1922118161, now seen corresponding path program 1 times [2025-01-10 01:58:09,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:09,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371322127] [2025-01-10 01:58:09,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:09,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:09,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-10 01:58:09,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-10 01:58:09,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:09,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:09,258 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-01-10 01:58:09,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:09,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371322127] [2025-01-10 01:58:09,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371322127] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:09,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446059264] [2025-01-10 01:58:09,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:09,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:09,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:09,260 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:58:09,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2025-01-10 01:58:09,286 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-01-10 01:58:09,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-01-10 01:58:09,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:09,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:09,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:58:09,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:09,585 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-01-10 01:58:09,585 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:58:09,782 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-01-10 01:58:09,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446059264] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:58:09,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:58:09,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-01-10 01:58:09,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638521952] [2025-01-10 01:58:09,782 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:58:09,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:58:09,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:09,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:58:09,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:58:09,783 INFO L87 Difference]: Start difference. First operand 1958 states and 2568 transitions. Second operand has 14 states, 13 states have (on average 20.846153846153847) internal successors, (271), 14 states have internal predecessors, (271), 12 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 12 states have call predecessors, (33), 12 states have call successors, (33) [2025-01-10 01:58:10,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:10,616 INFO L93 Difference]: Finished difference Result 2473 states and 3170 transitions. [2025-01-10 01:58:10,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-10 01:58:10,616 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 20.846153846153847) internal successors, (271), 14 states have internal predecessors, (271), 12 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 12 states have call predecessors, (33), 12 states have call successors, (33) Word has length 144 [2025-01-10 01:58:10,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:10,619 INFO L225 Difference]: With dead ends: 2473 [2025-01-10 01:58:10,619 INFO L226 Difference]: Without dead ends: 2471 [2025-01-10 01:58:10,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=265, Invalid=547, Unknown=0, NotChecked=0, Total=812 [2025-01-10 01:58:10,620 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 654 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 968 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:10,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 776 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 968 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 01:58:10,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2471 states. [2025-01-10 01:58:10,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2471 to 2024. [2025-01-10 01:58:10,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2024 states, 1800 states have (on average 1.2616666666666667) internal successors, (2271), 1833 states have internal predecessors, (2271), 188 states have call successors, (188), 6 states have call predecessors, (188), 6 states have return successors, (188), 184 states have call predecessors, (188), 188 states have call successors, (188) [2025-01-10 01:58:10,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 2647 transitions. [2025-01-10 01:58:10,758 INFO L78 Accepts]: Start accepts. Automaton has 2024 states and 2647 transitions. Word has length 144 [2025-01-10 01:58:10,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:10,758 INFO L471 AbstractCegarLoop]: Abstraction has 2024 states and 2647 transitions. [2025-01-10 01:58:10,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 20.846153846153847) internal successors, (271), 14 states have internal predecessors, (271), 12 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 12 states have call predecessors, (33), 12 states have call successors, (33) [2025-01-10 01:58:10,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2647 transitions. [2025-01-10 01:58:10,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-01-10 01:58:10,759 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:10,759 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:10,765 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2025-01-10 01:58:10,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,51 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:10,959 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:58:10,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:10,960 INFO L85 PathProgramCache]: Analyzing trace with hash 306258885, now seen corresponding path program 1 times [2025-01-10 01:58:10,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:10,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601704028] [2025-01-10 01:58:10,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:10,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:10,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-01-10 01:58:10,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-01-10 01:58:10,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:10,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:11,027 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-01-10 01:58:11,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:11,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601704028] [2025-01-10 01:58:11,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601704028] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:11,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135661478] [2025-01-10 01:58:11,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:11,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:11,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:11,030 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:58:11,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2025-01-10 01:58:11,052 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-01-10 01:58:11,070 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-01-10 01:58:11,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:11,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:11,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:58:11,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:11,260 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-01-10 01:58:11,260 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:58:11,405 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-01-10 01:58:11,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135661478] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:58:11,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:58:11,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-01-10 01:58:11,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397654462] [2025-01-10 01:58:11,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:58:11,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:58:11,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:11,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:58:11,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:58:11,407 INFO L87 Difference]: Start difference. First operand 2024 states and 2647 transitions. Second operand has 11 states, 10 states have (on average 27.5) internal successors, (275), 11 states have internal predecessors, (275), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2025-01-10 01:58:12,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:12,078 INFO L93 Difference]: Finished difference Result 2926 states and 3805 transitions. [2025-01-10 01:58:12,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:58:12,078 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.5) internal successors, (275), 11 states have internal predecessors, (275), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 146 [2025-01-10 01:58:12,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:12,081 INFO L225 Difference]: With dead ends: 2926 [2025-01-10 01:58:12,081 INFO L226 Difference]: Without dead ends: 2924 [2025-01-10 01:58:12,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:58:12,082 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 427 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:12,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 501 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:58:12,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2924 states. [2025-01-10 01:58:12,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2924 to 2314. [2025-01-10 01:58:12,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 2066 states have (on average 1.2623426911907067) internal successors, (2608), 2099 states have internal predecessors, (2608), 212 states have call successors, (212), 6 states have call predecessors, (212), 6 states have return successors, (212), 208 states have call predecessors, (212), 212 states have call successors, (212) [2025-01-10 01:58:12,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 3032 transitions. [2025-01-10 01:58:12,238 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 3032 transitions. Word has length 146 [2025-01-10 01:58:12,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:12,238 INFO L471 AbstractCegarLoop]: Abstraction has 2314 states and 3032 transitions. [2025-01-10 01:58:12,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.5) internal successors, (275), 11 states have internal predecessors, (275), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2025-01-10 01:58:12,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 3032 transitions. [2025-01-10 01:58:12,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2025-01-10 01:58:12,239 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:12,239 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:12,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2025-01-10 01:58:12,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2025-01-10 01:58:12,439 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:58:12,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:12,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1745255083, now seen corresponding path program 1 times [2025-01-10 01:58:12,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:12,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452103592] [2025-01-10 01:58:12,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:12,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:12,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-01-10 01:58:12,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-01-10 01:58:12,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:12,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:12,533 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-01-10 01:58:12,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:12,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452103592] [2025-01-10 01:58:12,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452103592] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:12,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510777287] [2025-01-10 01:58:12,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:12,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:12,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:12,535 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:58:12,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2025-01-10 01:58:12,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-01-10 01:58:12,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-01-10 01:58:12,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:12,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:12,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:58:12,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:12,838 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-01-10 01:58:12,838 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:58:12,988 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-01-10 01:58:12,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510777287] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:58:12,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:58:12,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-01-10 01:58:12,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461633473] [2025-01-10 01:58:12,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:58:12,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:58:12,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:12,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:58:12,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:58:12,990 INFO L87 Difference]: Start difference. First operand 2314 states and 3032 transitions. Second operand has 11 states, 10 states have (on average 28.1) internal successors, (281), 11 states have internal predecessors, (281), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2025-01-10 01:58:13,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:13,797 INFO L93 Difference]: Finished difference Result 3330 states and 4372 transitions. [2025-01-10 01:58:13,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:58:13,798 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 28.1) internal successors, (281), 11 states have internal predecessors, (281), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 148 [2025-01-10 01:58:13,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:13,801 INFO L225 Difference]: With dead ends: 3330 [2025-01-10 01:58:13,801 INFO L226 Difference]: Without dead ends: 3328 [2025-01-10 01:58:13,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:58:13,802 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 487 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:13,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 578 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:58:13,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3328 states. [2025-01-10 01:58:13,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3328 to 2683. [2025-01-10 01:58:13,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2683 states, 2405 states have (on average 1.2590436590436591) internal successors, (3028), 2438 states have internal predecessors, (3028), 242 states have call successors, (242), 6 states have call predecessors, (242), 6 states have return successors, (242), 238 states have call predecessors, (242), 242 states have call successors, (242) [2025-01-10 01:58:13,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2683 states and 3512 transitions. [2025-01-10 01:58:13,966 INFO L78 Accepts]: Start accepts. Automaton has 2683 states and 3512 transitions. Word has length 148 [2025-01-10 01:58:13,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:13,966 INFO L471 AbstractCegarLoop]: Abstraction has 2683 states and 3512 transitions. [2025-01-10 01:58:13,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 28.1) internal successors, (281), 11 states have internal predecessors, (281), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2025-01-10 01:58:13,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 3512 transitions. [2025-01-10 01:58:13,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2025-01-10 01:58:13,967 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:13,967 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:13,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2025-01-10 01:58:14,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2025-01-10 01:58:14,168 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:58:14,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:14,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1434376782, now seen corresponding path program 1 times [2025-01-10 01:58:14,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:14,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483303273] [2025-01-10 01:58:14,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:14,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:14,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-01-10 01:58:14,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-01-10 01:58:14,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:14,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:14,251 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-01-10 01:58:14,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:14,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483303273] [2025-01-10 01:58:14,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483303273] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:14,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33688133] [2025-01-10 01:58:14,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:58:14,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:14,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:14,258 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:58:14,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2025-01-10 01:58:14,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-01-10 01:58:14,302 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-01-10 01:58:14,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:58:14,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:14,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:58:14,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:14,463 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 100 proven. 6 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2025-01-10 01:58:14,463 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:58:14,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33688133] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:14,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:58:14,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 9 [2025-01-10 01:58:14,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454252243] [2025-01-10 01:58:14,611 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:58:14,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:58:14,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:14,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:58:14,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:58:14,611 INFO L87 Difference]: Start difference. First operand 2683 states and 3512 transitions. Second operand has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-01-10 01:58:16,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:16,210 INFO L93 Difference]: Finished difference Result 2865 states and 3727 transitions. [2025-01-10 01:58:16,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-10 01:58:16,211 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 155 [2025-01-10 01:58:16,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:16,215 INFO L225 Difference]: With dead ends: 2865 [2025-01-10 01:58:16,215 INFO L226 Difference]: Without dead ends: 2860 [2025-01-10 01:58:16,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2025-01-10 01:58:16,216 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 346 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:16,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 359 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-01-10 01:58:16,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2860 states. [2025-01-10 01:58:16,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2860 to 2355. [2025-01-10 01:58:16,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2355 states, 2107 states have (on average 1.2387280493592785) internal successors, (2610), 2140 states have internal predecessors, (2610), 212 states have call successors, (212), 6 states have call predecessors, (212), 6 states have return successors, (212), 208 states have call predecessors, (212), 212 states have call successors, (212) [2025-01-10 01:58:16,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2355 states and 3034 transitions. [2025-01-10 01:58:16,388 INFO L78 Accepts]: Start accepts. Automaton has 2355 states and 3034 transitions. Word has length 155 [2025-01-10 01:58:16,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:16,388 INFO L471 AbstractCegarLoop]: Abstraction has 2355 states and 3034 transitions. [2025-01-10 01:58:16,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-01-10 01:58:16,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 3034 transitions. [2025-01-10 01:58:16,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-01-10 01:58:16,389 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:16,389 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:16,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2025-01-10 01:58:16,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60 [2025-01-10 01:58:16,594 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:58:16,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:16,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1893458180, now seen corresponding path program 3 times [2025-01-10 01:58:16,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:16,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516610600] [2025-01-10 01:58:16,595 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:58:16,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:16,599 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 154 statements into 6 equivalence classes. [2025-01-10 01:58:16,614 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 154 of 154 statements. [2025-01-10 01:58:16,615 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-10 01:58:16,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:16,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1406979067] [2025-01-10 01:58:16,616 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:58:16,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:16,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:16,618 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:58:16,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2025-01-10 01:58:16,643 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 154 statements into 6 equivalence classes. [2025-01-10 01:58:16,691 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 121 of 154 statements. [2025-01-10 01:58:16,691 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-10 01:58:16,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:16,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 01:58:16,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:17,053 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 18 proven. 84 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2025-01-10 01:58:17,053 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:58:21,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:21,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516610600] [2025-01-10 01:58:21,175 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:21,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406979067] [2025-01-10 01:58:21,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406979067] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:21,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:58:21,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 01:58:21,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786149423] [2025-01-10 01:58:21,175 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:58:21,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:58:21,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:21,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:58:21,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:58:21,176 INFO L87 Difference]: Start difference. First operand 2355 states and 3034 transitions. Second operand has 9 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 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) [2025-01-10 01:58:22,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:22,453 INFO L93 Difference]: Finished difference Result 2490 states and 3183 transitions. [2025-01-10 01:58:22,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:58:22,453 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 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 154 [2025-01-10 01:58:22,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:22,456 INFO L225 Difference]: With dead ends: 2490 [2025-01-10 01:58:22,456 INFO L226 Difference]: Without dead ends: 2486 [2025-01-10 01:58:22,456 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2025-01-10 01:58:22,460 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 384 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:22,461 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 496 Invalid, 1077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-01-10 01:58:22,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2486 states. [2025-01-10 01:58:22,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2486 to 2349. [2025-01-10 01:58:22,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2349 states, 2102 states have (on average 1.2392959086584205) internal successors, (2605), 2135 states have internal predecessors, (2605), 211 states have call successors, (211), 6 states have call predecessors, (211), 6 states have return successors, (211), 207 states have call predecessors, (211), 211 states have call successors, (211) [2025-01-10 01:58:22,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 3027 transitions. [2025-01-10 01:58:22,678 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 3027 transitions. Word has length 154 [2025-01-10 01:58:22,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:22,679 INFO L471 AbstractCegarLoop]: Abstraction has 2349 states and 3027 transitions. [2025-01-10 01:58:22,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.625) internal successors, (85), 9 states have internal predecessors, (85), 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) [2025-01-10 01:58:22,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 3027 transitions. [2025-01-10 01:58:22,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-01-10 01:58:22,681 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:22,681 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:22,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2025-01-10 01:58:22,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,55 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:22,882 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:58:22,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:22,883 INFO L85 PathProgramCache]: Analyzing trace with hash -2072159584, now seen corresponding path program 4 times [2025-01-10 01:58:22,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:22,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48125590] [2025-01-10 01:58:22,883 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:58:22,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:22,889 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 154 statements into 2 equivalence classes. [2025-01-10 01:58:22,901 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 154 of 154 statements. [2025-01-10 01:58:22,901 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:58:22,901 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:22,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1736378915] [2025-01-10 01:58:22,902 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:58:22,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:22,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:22,908 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:58:22,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2025-01-10 01:58:22,932 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 154 statements into 2 equivalence classes. [2025-01-10 01:58:22,964 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 154 of 154 statements. [2025-01-10 01:58:22,964 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:58:22,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:22,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 01:58:22,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:23,464 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-01-10 01:58:23,464 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:58:23,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:23,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48125590] [2025-01-10 01:58:23,553 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:23,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736378915] [2025-01-10 01:58:23,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736378915] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:23,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:58:23,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-01-10 01:58:23,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042332322] [2025-01-10 01:58:23,553 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:58:23,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:58:23,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:23,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:58:23,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:58:23,554 INFO L87 Difference]: Start difference. First operand 2349 states and 3027 transitions. Second operand has 7 states, 6 states have (on average 17.5) internal successors, (105), 7 states have internal predecessors, (105), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-01-10 01:58:24,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:24,175 INFO L93 Difference]: Finished difference Result 2417 states and 3102 transitions. [2025-01-10 01:58:24,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:58:24,175 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.5) internal successors, (105), 7 states have internal predecessors, (105), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 154 [2025-01-10 01:58:24,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:24,178 INFO L225 Difference]: With dead ends: 2417 [2025-01-10 01:58:24,178 INFO L226 Difference]: Without dead ends: 2416 [2025-01-10 01:58:24,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:58:24,178 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 97 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:24,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 457 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:58:24,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2416 states. [2025-01-10 01:58:24,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2416 to 2349. [2025-01-10 01:58:24,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2349 states, 2102 states have (on average 1.2388201712654614) internal successors, (2604), 2135 states have internal predecessors, (2604), 211 states have call successors, (211), 6 states have call predecessors, (211), 6 states have return successors, (211), 207 states have call predecessors, (211), 211 states have call successors, (211) [2025-01-10 01:58:24,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 3026 transitions. [2025-01-10 01:58:24,380 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 3026 transitions. Word has length 154 [2025-01-10 01:58:24,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:24,380 INFO L471 AbstractCegarLoop]: Abstraction has 2349 states and 3026 transitions. [2025-01-10 01:58:24,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.5) internal successors, (105), 7 states have internal predecessors, (105), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-01-10 01:58:24,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 3026 transitions. [2025-01-10 01:58:24,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-01-10 01:58:24,381 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:24,381 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:24,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Ended with exit code 0 [2025-01-10 01:58:24,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,56 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:24,582 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:58:24,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:24,582 INFO L85 PathProgramCache]: Analyzing trace with hash 417630416, now seen corresponding path program 3 times [2025-01-10 01:58:24,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:24,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316604698] [2025-01-10 01:58:24,583 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:58:24,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:24,587 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 156 statements into 6 equivalence classes. [2025-01-10 01:58:24,598 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 156 of 156 statements. [2025-01-10 01:58:24,598 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-10 01:58:24,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:24,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [781107386] [2025-01-10 01:58:24,598 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:58:24,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:24,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:24,600 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:58:24,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2025-01-10 01:58:24,625 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 156 statements into 6 equivalence classes. [2025-01-10 01:58:24,707 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 123 of 156 statements. [2025-01-10 01:58:24,708 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-10 01:58:24,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:24,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:58:24,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:25,269 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 87 proven. 24 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-01-10 01:58:25,269 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:58:25,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:25,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316604698] [2025-01-10 01:58:25,716 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:25,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781107386] [2025-01-10 01:58:25,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781107386] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:58:25,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:58:25,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:58:25,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789027511] [2025-01-10 01:58:25,717 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:58:25,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:58:25,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:25,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:58:25,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:58:25,718 INFO L87 Difference]: Start difference. First operand 2349 states and 3026 transitions. Second operand has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-01-10 01:58:26,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:26,528 INFO L93 Difference]: Finished difference Result 2419 states and 3101 transitions. [2025-01-10 01:58:26,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:58:26,529 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 156 [2025-01-10 01:58:26,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:26,531 INFO L225 Difference]: With dead ends: 2419 [2025-01-10 01:58:26,531 INFO L226 Difference]: Without dead ends: 2418 [2025-01-10 01:58:26,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:58:26,532 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 183 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:26,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 475 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 01:58:26,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2418 states. [2025-01-10 01:58:26,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2418 to 2349. [2025-01-10 01:58:26,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2349 states, 2102 states have (on average 1.2378686964795433) internal successors, (2602), 2135 states have internal predecessors, (2602), 211 states have call successors, (211), 6 states have call predecessors, (211), 6 states have return successors, (211), 207 states have call predecessors, (211), 211 states have call successors, (211) [2025-01-10 01:58:26,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 3024 transitions. [2025-01-10 01:58:26,695 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 3024 transitions. Word has length 156 [2025-01-10 01:58:26,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:26,695 INFO L471 AbstractCegarLoop]: Abstraction has 2349 states and 3024 transitions. [2025-01-10 01:58:26,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.285714285714286) internal successors, (107), 8 states have internal predecessors, (107), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-01-10 01:58:26,695 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 3024 transitions. [2025-01-10 01:58:26,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-01-10 01:58:26,696 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:26,696 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:26,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Forceful destruction successful, exit code 0 [2025-01-10 01:58:26,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2025-01-10 01:58:26,897 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:58:26,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:26,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1377920084, now seen corresponding path program 4 times [2025-01-10 01:58:26,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:26,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443070136] [2025-01-10 01:58:26,898 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:58:26,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:26,903 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 156 statements into 2 equivalence classes. [2025-01-10 01:58:26,910 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 156 of 156 statements. [2025-01-10 01:58:26,913 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:58:26,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:26,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [728480947] [2025-01-10 01:58:26,914 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:58:26,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:26,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:26,918 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:58:26,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2025-01-10 01:58:26,943 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 156 statements into 2 equivalence classes. [2025-01-10 01:58:26,988 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 156 of 156 statements. [2025-01-10 01:58:26,988 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:58:26,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:58:26,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 01:58:26,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:58:27,491 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-01-10 01:58:27,491 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:58:28,125 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-01-10 01:58:28,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:58:28,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443070136] [2025-01-10 01:58:28,125 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:58:28,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728480947] [2025-01-10 01:58:28,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728480947] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:58:28,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:58:28,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2025-01-10 01:58:28,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215901898] [2025-01-10 01:58:28,126 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:58:28,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 01:58:28,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:58:28,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 01:58:28,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:58:28,130 INFO L87 Difference]: Start difference. First operand 2349 states and 3024 transitions. Second operand has 13 states, 12 states have (on average 17.166666666666668) internal successors, (206), 13 states have internal predecessors, (206), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-01-10 01:58:30,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 01:58:35,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:58:35,204 INFO L93 Difference]: Finished difference Result 2685 states and 3445 transitions. [2025-01-10 01:58:35,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-10 01:58:35,205 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 17.166666666666668) internal successors, (206), 13 states have internal predecessors, (206), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 156 [2025-01-10 01:58:35,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:58:35,216 INFO L225 Difference]: With dead ends: 2685 [2025-01-10 01:58:35,216 INFO L226 Difference]: Without dead ends: 2683 [2025-01-10 01:58:35,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2025-01-10 01:58:35,217 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 623 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 1660 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 1741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:58:35,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 706 Invalid, 1741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1660 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2025-01-10 01:58:35,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2683 states. [2025-01-10 01:58:35,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2683 to 2479. [2025-01-10 01:58:35,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2479 states, 2223 states have (on average 1.236617183985605) internal successors, (2749), 2256 states have internal predecessors, (2749), 220 states have call successors, (220), 6 states have call predecessors, (220), 6 states have return successors, (220), 216 states have call predecessors, (220), 220 states have call successors, (220) [2025-01-10 01:58:35,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2479 states and 3189 transitions. [2025-01-10 01:58:35,411 INFO L78 Accepts]: Start accepts. Automaton has 2479 states and 3189 transitions. Word has length 156 [2025-01-10 01:58:35,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:58:35,411 INFO L471 AbstractCegarLoop]: Abstraction has 2479 states and 3189 transitions. [2025-01-10 01:58:35,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 17.166666666666668) internal successors, (206), 13 states have internal predecessors, (206), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2025-01-10 01:58:35,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 3189 transitions. [2025-01-10 01:58:35,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-01-10 01:58:35,415 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:58:35,415 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:58:35,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Ended with exit code 0 [2025-01-10 01:58:35,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,58 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:35,616 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2025-01-10 01:58:35,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:58:35,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1452824286, now seen corresponding path program 5 times [2025-01-10 01:58:35,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:58:35,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642500972] [2025-01-10 01:58:35,620 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:58:35,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:58:35,628 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 156 statements into 6 equivalence classes. [2025-01-10 01:58:35,644 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 156 of 156 statements. [2025-01-10 01:58:35,647 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-10 01:58:35,647 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:58:35,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [997346393] [2025-01-10 01:58:35,648 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:58:35,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:58:35,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:58:35,650 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:58:35,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2025-01-10 01:58:35,685 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 156 statements into 6 equivalence classes.