./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.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/egcd3-ll_valuebound2.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bda512f5ab4e84c08e80fd02a1c07c8fba5ca60aa45d55edfde2cc268dd1288e --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:00:36,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:00:36,135 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:00:36,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:00:36,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:00:36,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:00:36,155 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:00:36,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:00:36,155 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:00:36,155 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:00:36,155 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:00:36,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:00:36,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:00:36,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:00:36,156 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:00:36,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:00:36,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:00:36,156 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:00:36,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:00:36,156 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:00:36,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:00:36,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:00:36,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:00:36,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:00:36,157 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:00:36,157 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:00:36,157 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:00:36,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:00:36,157 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:00:36,157 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:00:36,157 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:00:36,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:00:36,157 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:00:36,157 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:00:36,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:00:36,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:00:36,157 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:00:36,157 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:00:36,157 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:00:36,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:00:36,157 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:00:36,157 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:00:36,158 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:00:36,158 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:00:36,158 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:00:36,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:00:36,158 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:00:36,158 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:00:36,158 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:00:36,158 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:00:36,158 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 -> bda512f5ab4e84c08e80fd02a1c07c8fba5ca60aa45d55edfde2cc268dd1288e [2025-01-10 02:00:36,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:00:36,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:00:36,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:00:36,515 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:00:36,515 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:00:36,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c [2025-01-10 02:00:37,584 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9fec91082/4578dbca4b444452bdbfb91c35b5472d/FLAG0edae2662 [2025-01-10 02:00:37,869 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:00:37,870 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c [2025-01-10 02:00:37,878 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9fec91082/4578dbca4b444452bdbfb91c35b5472d/FLAG0edae2662 [2025-01-10 02:00:38,158 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9fec91082/4578dbca4b444452bdbfb91c35b5472d [2025-01-10 02:00:38,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:00:38,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:00:38,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:00:38,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:00:38,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:00:38,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:00:38" (1/1) ... [2025-01-10 02:00:38,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f53bfda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:38, skipping insertion in model container [2025-01-10 02:00:38,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:00:38" (1/1) ... [2025-01-10 02:00:38,179 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:00:38,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:00:38,307 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:00:38,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:00:38,342 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:00:38,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:38 WrapperNode [2025-01-10 02:00:38,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:00:38,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:00:38,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:00:38,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:00:38,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:38" (1/1) ... [2025-01-10 02:00:38,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:38" (1/1) ... [2025-01-10 02:00:38,367 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 130 [2025-01-10 02:00:38,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:00:38,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:00:38,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:00:38,368 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:00:38,374 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:38" (1/1) ... [2025-01-10 02:00:38,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:38" (1/1) ... [2025-01-10 02:00:38,375 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:38" (1/1) ... [2025-01-10 02:00:38,385 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 02:00:38,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:38" (1/1) ... [2025-01-10 02:00:38,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:38" (1/1) ... [2025-01-10 02:00:38,388 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:38" (1/1) ... [2025-01-10 02:00:38,388 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:38" (1/1) ... [2025-01-10 02:00:38,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:38" (1/1) ... [2025-01-10 02:00:38,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:38" (1/1) ... [2025-01-10 02:00:38,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:38" (1/1) ... [2025-01-10 02:00:38,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:00:38,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:00:38,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:00:38,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:00:38,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:38" (1/1) ... [2025-01-10 02:00:38,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:00:38,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:38,421 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 02:00:38,426 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 02:00:38,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:00:38,456 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 02:00:38,456 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 02:00:38,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:00:38,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:00:38,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:00:38,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:00:38,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:00:38,503 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:00:38,504 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:00:38,791 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2025-01-10 02:00:38,793 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:00:38,812 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:00:38,813 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-01-10 02:00:38,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:00:38 BoogieIcfgContainer [2025-01-10 02:00:38,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:00:38,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:00:38,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:00:38,822 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:00:38,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:00:38" (1/3) ... [2025-01-10 02:00:38,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20722f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:00:38, skipping insertion in model container [2025-01-10 02:00:38,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:00:38" (2/3) ... [2025-01-10 02:00:38,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20722f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:00:38, skipping insertion in model container [2025-01-10 02:00:38,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:00:38" (3/3) ... [2025-01-10 02:00:38,824 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd3-ll_valuebound2.c [2025-01-10 02:00:38,835 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:00:38,836 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd3-ll_valuebound2.c that has 3 procedures, 131 locations, 1 initial locations, 3 loop locations, and 50 error locations. [2025-01-10 02:00:38,871 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:00:38,879 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;@736372a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:00:38,879 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2025-01-10 02:00:38,882 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 69 states have (on average 1.8405797101449275) internal successors, (127), 119 states have internal predecessors, (127), 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 02:00:38,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-01-10 02:00:38,886 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:38,887 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:38,887 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:38,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:38,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1842101361, now seen corresponding path program 1 times [2025-01-10 02:00:38,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:38,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89018556] [2025-01-10 02:00:38,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:38,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:38,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 02:00:38,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 02:00:38,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:38,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-10 02:00:38,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:38,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89018556] [2025-01-10 02:00:38,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89018556] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:00:38,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415467071] [2025-01-10 02:00:38,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:38,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:38,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:38,991 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 02:00:38,998 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 02:00:39,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 02:00:39,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 02:00:39,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:39,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:39,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-10 02:00:39,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:39,044 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-10 02:00:39,044 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:39,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415467071] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:39,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:00:39,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-10 02:00:39,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334690910] [2025-01-10 02:00:39,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:39,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:00:39,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:39,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:00:39,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:00:39,062 INFO L87 Difference]: Start difference. First operand has 131 states, 69 states have (on average 1.8405797101449275) internal successors, (127), 119 states have internal predecessors, (127), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:00:39,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:39,079 INFO L93 Difference]: Finished difference Result 258 states and 294 transitions. [2025-01-10 02:00:39,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:00:39,081 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2025-01-10 02:00:39,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:39,086 INFO L225 Difference]: With dead ends: 258 [2025-01-10 02:00:39,086 INFO L226 Difference]: Without dead ends: 124 [2025-01-10 02:00:39,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 27 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 02:00:39,090 INFO L435 NwaCegarLoop]: 139 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, 139 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 02:00:39,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:00:39,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2025-01-10 02:00:39,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2025-01-10 02:00:39,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 64 states have (on average 1.8125) internal successors, (116), 113 states have internal predecessors, (116), 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 02:00:39,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 132 transitions. [2025-01-10 02:00:39,117 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 132 transitions. Word has length 26 [2025-01-10 02:00:39,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:39,118 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 132 transitions. [2025-01-10 02:00:39,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:00:39,118 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 132 transitions. [2025-01-10 02:00:39,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-01-10 02:00:39,119 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:39,119 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:39,128 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 02:00:39,323 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 02:00:39,323 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:39,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:39,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1885995310, now seen corresponding path program 1 times [2025-01-10 02:00:39,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:39,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122984532] [2025-01-10 02:00:39,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:39,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:39,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 02:00:39,362 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 02:00:39,362 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:39,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:39,493 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:00:39,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:39,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122984532] [2025-01-10 02:00:39,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122984532] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:39,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:39,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 02:00:39,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685798317] [2025-01-10 02:00:39,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:39,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:00:39,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:39,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:00:39,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:00:39,496 INFO L87 Difference]: Start difference. First operand 124 states and 132 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:39,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:39,748 INFO L93 Difference]: Finished difference Result 210 states and 230 transitions. [2025-01-10 02:00:39,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:00:39,748 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2025-01-10 02:00:39,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:39,753 INFO L225 Difference]: With dead ends: 210 [2025-01-10 02:00:39,753 INFO L226 Difference]: Without dead ends: 182 [2025-01-10 02:00:39,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:00:39,754 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 200 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:39,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 317 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:00:39,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2025-01-10 02:00:39,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 125. [2025-01-10 02:00:39,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 65 states have (on average 1.8) internal successors, (117), 114 states have internal predecessors, (117), 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 02:00:39,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 133 transitions. [2025-01-10 02:00:39,770 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 133 transitions. Word has length 26 [2025-01-10 02:00:39,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:39,770 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 133 transitions. [2025-01-10 02:00:39,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:39,770 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 133 transitions. [2025-01-10 02:00:39,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-01-10 02:00:39,771 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:39,771 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:39,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 02:00:39,771 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:39,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:39,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1663686539, now seen corresponding path program 1 times [2025-01-10 02:00:39,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:39,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990835598] [2025-01-10 02:00:39,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:39,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:39,776 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 02:00:39,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 02:00:39,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:39,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:39,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1430833352] [2025-01-10 02:00:39,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:39,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:39,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:39,792 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 02:00:39,813 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 02:00:39,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 02:00:39,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 02:00:39,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:39,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:39,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:00:39,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:39,860 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:39,860 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:39,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:39,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990835598] [2025-01-10 02:00:39,861 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:39,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430833352] [2025-01-10 02:00:39,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430833352] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:39,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:39,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:00:39,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780315074] [2025-01-10 02:00:39,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:39,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:00:39,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:39,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:00:39,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:00:39,862 INFO L87 Difference]: Start difference. First operand 125 states and 133 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:39,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:39,897 INFO L93 Difference]: Finished difference Result 194 states and 210 transitions. [2025-01-10 02:00:39,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:00:39,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2025-01-10 02:00:39,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:39,899 INFO L225 Difference]: With dead ends: 194 [2025-01-10 02:00:39,899 INFO L226 Difference]: Without dead ends: 192 [2025-01-10 02:00:39,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 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 02:00:39,899 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 63 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:39,900 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 235 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:00:39,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2025-01-10 02:00:39,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 159. [2025-01-10 02:00:39,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 95 states have (on average 1.8421052631578947) internal successors, (175), 144 states have internal predecessors, (175), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:00:39,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 199 transitions. [2025-01-10 02:00:39,908 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 199 transitions. Word has length 27 [2025-01-10 02:00:39,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:39,908 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 199 transitions. [2025-01-10 02:00:39,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:39,908 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 199 transitions. [2025-01-10 02:00:39,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-01-10 02:00:39,909 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:39,909 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:39,915 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 02:00:40,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:40,109 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:40,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:40,110 INFO L85 PathProgramCache]: Analyzing trace with hash 34675536, now seen corresponding path program 1 times [2025-01-10 02:00:40,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:40,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636934829] [2025-01-10 02:00:40,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:40,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:40,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 02:00:40,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 02:00:40,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:40,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:40,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1672846094] [2025-01-10 02:00:40,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:40,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:40,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:40,129 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 02:00:40,131 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 02:00:40,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 02:00:40,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 02:00:40,161 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:40,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:40,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:00:40,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:40,180 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:40,181 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:40,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:40,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636934829] [2025-01-10 02:00:40,181 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:40,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672846094] [2025-01-10 02:00:40,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672846094] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:40,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:40,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:00:40,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760047242] [2025-01-10 02:00:40,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:40,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:00:40,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:40,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:00:40,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:00:40,185 INFO L87 Difference]: Start difference. First operand 159 states and 199 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:40,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:40,283 INFO L93 Difference]: Finished difference Result 190 states and 208 transitions. [2025-01-10 02:00:40,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:00:40,284 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2025-01-10 02:00:40,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:40,285 INFO L225 Difference]: With dead ends: 190 [2025-01-10 02:00:40,286 INFO L226 Difference]: Without dead ends: 186 [2025-01-10 02:00:40,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 02:00:40,286 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 56 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:40,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 217 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:00:40,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2025-01-10 02:00:40,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 162. [2025-01-10 02:00:40,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 98 states have (on average 1.7959183673469388) internal successors, (176), 147 states have internal predecessors, (176), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:00:40,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 200 transitions. [2025-01-10 02:00:40,295 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 200 transitions. Word has length 28 [2025-01-10 02:00:40,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:40,295 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 200 transitions. [2025-01-10 02:00:40,295 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:40,296 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 200 transitions. [2025-01-10 02:00:40,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-10 02:00:40,296 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:40,296 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:40,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-10 02:00:40,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:40,498 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:40,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:40,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1074931821, now seen corresponding path program 1 times [2025-01-10 02:00:40,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:40,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362933389] [2025-01-10 02:00:40,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:40,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:40,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 02:00:40,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 02:00:40,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:40,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:40,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1846778000] [2025-01-10 02:00:40,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:40,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:40,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:40,522 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 02:00:40,524 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 02:00:40,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 02:00:40,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 02:00:40,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:40,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:40,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:00:40,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:40,621 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:40,621 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:40,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:40,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362933389] [2025-01-10 02:00:40,621 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:40,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846778000] [2025-01-10 02:00:40,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846778000] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:40,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:40,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:00:40,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626467746] [2025-01-10 02:00:40,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:40,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:00:40,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:40,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:00:40,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:00:40,622 INFO L87 Difference]: Start difference. First operand 162 states and 200 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:40,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:40,796 INFO L93 Difference]: Finished difference Result 181 states and 200 transitions. [2025-01-10 02:00:40,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:00:40,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2025-01-10 02:00:40,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:40,798 INFO L225 Difference]: With dead ends: 181 [2025-01-10 02:00:40,798 INFO L226 Difference]: Without dead ends: 180 [2025-01-10 02:00:40,798 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 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 02:00:40,798 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 136 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:40,798 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 196 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:00:40,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2025-01-10 02:00:40,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 162. [2025-01-10 02:00:40,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 98 states have (on average 1.7857142857142858) internal successors, (175), 147 states have internal predecessors, (175), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:00:40,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 199 transitions. [2025-01-10 02:00:40,813 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 199 transitions. Word has length 29 [2025-01-10 02:00:40,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:40,813 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 199 transitions. [2025-01-10 02:00:40,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:40,814 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 199 transitions. [2025-01-10 02:00:40,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 02:00:40,814 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:40,814 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:40,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-10 02:00:41,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:41,015 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:41,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:41,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1036544014, now seen corresponding path program 1 times [2025-01-10 02:00:41,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:41,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843637807] [2025-01-10 02:00:41,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:41,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:41,019 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:00:41,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:00:41,024 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:41,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:41,102 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:41,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:41,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843637807] [2025-01-10 02:00:41,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843637807] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:41,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:41,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:00:41,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530153275] [2025-01-10 02:00:41,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:41,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:00:41,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:41,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:00:41,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:00:41,104 INFO L87 Difference]: Start difference. First operand 162 states and 199 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:41,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:41,289 INFO L93 Difference]: Finished difference Result 185 states and 203 transitions. [2025-01-10 02:00:41,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:00:41,289 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2025-01-10 02:00:41,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:41,290 INFO L225 Difference]: With dead ends: 185 [2025-01-10 02:00:41,290 INFO L226 Difference]: Without dead ends: 184 [2025-01-10 02:00:41,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:00:41,291 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 52 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:41,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 409 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:00:41,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2025-01-10 02:00:41,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 163. [2025-01-10 02:00:41,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.7777777777777777) internal successors, (176), 148 states have internal predecessors, (176), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:00:41,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 200 transitions. [2025-01-10 02:00:41,298 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 200 transitions. Word has length 30 [2025-01-10 02:00:41,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:41,299 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 200 transitions. [2025-01-10 02:00:41,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:41,299 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 200 transitions. [2025-01-10 02:00:41,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 02:00:41,299 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:41,300 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:41,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 02:00:41,300 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:41,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:41,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1036851852, now seen corresponding path program 1 times [2025-01-10 02:00:41,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:41,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426314127] [2025-01-10 02:00:41,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:41,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:41,310 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:00:41,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:00:41,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:41,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:41,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1965409814] [2025-01-10 02:00:41,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:41,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:41,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:41,318 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 02:00:41,319 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 02:00:41,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:00:41,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:00:41,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:41,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:41,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:00:41,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:41,401 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:41,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:41,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426314127] [2025-01-10 02:00:41,401 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:41,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965409814] [2025-01-10 02:00:41,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965409814] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:41,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:41,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:00:41,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926996947] [2025-01-10 02:00:41,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:41,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:00:41,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:41,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:00:41,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:00:41,404 INFO L87 Difference]: Start difference. First operand 163 states and 200 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:41,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:41,542 INFO L93 Difference]: Finished difference Result 182 states and 200 transitions. [2025-01-10 02:00:41,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:00:41,542 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2025-01-10 02:00:41,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:41,543 INFO L225 Difference]: With dead ends: 182 [2025-01-10 02:00:41,544 INFO L226 Difference]: Without dead ends: 181 [2025-01-10 02:00:41,544 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 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 02:00:41,545 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 135 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:41,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 196 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:00:41,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2025-01-10 02:00:41,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 163. [2025-01-10 02:00:41,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.7676767676767677) internal successors, (175), 148 states have internal predecessors, (175), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:00:41,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 199 transitions. [2025-01-10 02:00:41,555 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 199 transitions. Word has length 30 [2025-01-10 02:00:41,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:41,555 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 199 transitions. [2025-01-10 02:00:41,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:41,556 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 199 transitions. [2025-01-10 02:00:41,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-01-10 02:00:41,558 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:41,558 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:41,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 02:00:41,759 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 02:00:41,759 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:41,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:41,760 INFO L85 PathProgramCache]: Analyzing trace with hash -2068093225, now seen corresponding path program 1 times [2025-01-10 02:00:41,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:41,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743701218] [2025-01-10 02:00:41,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:41,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:41,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:00:41,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:00:41,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:41,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:41,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2143423392] [2025-01-10 02:00:41,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:41,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:41,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:41,774 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 02:00:41,776 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 02:00:41,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:00:41,820 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:00:41,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:41,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:41,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:00:41,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:41,854 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:41,854 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:41,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:41,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743701218] [2025-01-10 02:00:41,855 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:41,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143423392] [2025-01-10 02:00:41,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143423392] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:41,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:41,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:00:41,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014238884] [2025-01-10 02:00:41,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:41,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:00:41,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:41,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:00:41,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:00:41,856 INFO L87 Difference]: Start difference. First operand 163 states and 199 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:42,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:42,052 INFO L93 Difference]: Finished difference Result 183 states and 201 transitions. [2025-01-10 02:00:42,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:00:42,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2025-01-10 02:00:42,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:42,053 INFO L225 Difference]: With dead ends: 183 [2025-01-10 02:00:42,053 INFO L226 Difference]: Without dead ends: 182 [2025-01-10 02:00:42,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 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 02:00:42,054 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 52 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:42,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 285 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:00:42,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2025-01-10 02:00:42,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 164. [2025-01-10 02:00:42,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 100 states have (on average 1.76) internal successors, (176), 149 states have internal predecessors, (176), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:00:42,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 200 transitions. [2025-01-10 02:00:42,060 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 200 transitions. Word has length 31 [2025-01-10 02:00:42,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:42,060 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 200 transitions. [2025-01-10 02:00:42,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:42,060 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 200 transitions. [2025-01-10 02:00:42,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-01-10 02:00:42,060 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:42,060 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:42,067 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 02:00:42,265 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 02:00:42,265 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:42,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:42,266 INFO L85 PathProgramCache]: Analyzing trace with hash -2077636273, now seen corresponding path program 1 times [2025-01-10 02:00:42,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:42,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417096181] [2025-01-10 02:00:42,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:42,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:42,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:00:42,274 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:00:42,274 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:42,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:42,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [547256682] [2025-01-10 02:00:42,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:42,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:42,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:42,276 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 02:00:42,278 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 02:00:42,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:00:42,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:00:42,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:42,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:42,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:00:42,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:42,331 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:42,331 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:42,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:42,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417096181] [2025-01-10 02:00:42,331 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:42,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547256682] [2025-01-10 02:00:42,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [547256682] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:42,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:42,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:00:42,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546605327] [2025-01-10 02:00:42,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:42,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:00:42,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:42,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:00:42,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:00:42,332 INFO L87 Difference]: Start difference. First operand 164 states and 200 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:42,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:42,487 INFO L93 Difference]: Finished difference Result 190 states and 206 transitions. [2025-01-10 02:00:42,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:00:42,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2025-01-10 02:00:42,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:42,488 INFO L225 Difference]: With dead ends: 190 [2025-01-10 02:00:42,488 INFO L226 Difference]: Without dead ends: 189 [2025-01-10 02:00:42,488 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 02:00:42,489 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 55 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:42,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 316 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:00:42,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2025-01-10 02:00:42,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 164. [2025-01-10 02:00:42,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 100 states have (on average 1.75) internal successors, (175), 149 states have internal predecessors, (175), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:00:42,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 199 transitions. [2025-01-10 02:00:42,495 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 199 transitions. Word has length 31 [2025-01-10 02:00:42,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:42,495 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 199 transitions. [2025-01-10 02:00:42,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:42,495 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 199 transitions. [2025-01-10 02:00:42,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-10 02:00:42,496 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:42,496 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:42,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-10 02:00:42,696 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 02:00:42,697 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:42,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:42,697 INFO L85 PathProgramCache]: Analyzing trace with hash 313619604, now seen corresponding path program 1 times [2025-01-10 02:00:42,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:42,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768231843] [2025-01-10 02:00:42,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:42,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:42,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:00:42,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:00:42,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:42,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:42,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [189656593] [2025-01-10 02:00:42,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:42,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:42,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:42,722 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 02:00:42,723 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 02:00:42,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:00:42,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:00:42,751 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:42,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:42,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:00:42,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:42,764 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:42,764 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:42,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:42,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768231843] [2025-01-10 02:00:42,764 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:42,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [189656593] [2025-01-10 02:00:42,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [189656593] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:42,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:42,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:00:42,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019002458] [2025-01-10 02:00:42,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:42,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:00:42,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:42,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:00:42,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:00:42,767 INFO L87 Difference]: Start difference. First operand 164 states and 199 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:42,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:42,829 INFO L93 Difference]: Finished difference Result 274 states and 350 transitions. [2025-01-10 02:00:42,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:00:42,829 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2025-01-10 02:00:42,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:42,831 INFO L225 Difference]: With dead ends: 274 [2025-01-10 02:00:42,831 INFO L226 Difference]: Without dead ends: 268 [2025-01-10 02:00:42,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 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 02:00:42,831 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 55 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:42,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 212 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:00:42,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2025-01-10 02:00:42,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 236. [2025-01-10 02:00:42,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 164 states have (on average 1.7195121951219512) internal successors, (282), 213 states have internal predecessors, (282), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:00:42,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 322 transitions. [2025-01-10 02:00:42,851 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 322 transitions. Word has length 32 [2025-01-10 02:00:42,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:42,851 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 322 transitions. [2025-01-10 02:00:42,851 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 322 transitions. [2025-01-10 02:00:42,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-10 02:00:42,852 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:42,852 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:42,858 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 02:00:43,052 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 02:00:43,053 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:43,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:43,054 INFO L85 PathProgramCache]: Analyzing trace with hash 17785046, now seen corresponding path program 1 times [2025-01-10 02:00:43,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:43,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088857766] [2025-01-10 02:00:43,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:43,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:43,060 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:00:43,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:00:43,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:43,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:43,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [140599756] [2025-01-10 02:00:43,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:43,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:43,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:43,072 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 02:00:43,073 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 02:00:43,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:00:43,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:00:43,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:43,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:43,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:00:43,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:43,172 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:43,173 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:43,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:43,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088857766] [2025-01-10 02:00:43,173 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:43,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [140599756] [2025-01-10 02:00:43,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [140599756] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:43,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:43,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:00:43,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380269625] [2025-01-10 02:00:43,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:43,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:00:43,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:43,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:00:43,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:00:43,174 INFO L87 Difference]: Start difference. First operand 236 states and 322 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:43,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:43,240 INFO L93 Difference]: Finished difference Result 261 states and 326 transitions. [2025-01-10 02:00:43,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:00:43,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 32 [2025-01-10 02:00:43,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:43,242 INFO L225 Difference]: With dead ends: 261 [2025-01-10 02:00:43,242 INFO L226 Difference]: Without dead ends: 260 [2025-01-10 02:00:43,242 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 02:00:43,243 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 98 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:43,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 239 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:00:43,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2025-01-10 02:00:43,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 236. [2025-01-10 02:00:43,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 164 states have (on average 1.7073170731707317) internal successors, (280), 213 states have internal predecessors, (280), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:00:43,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 320 transitions. [2025-01-10 02:00:43,256 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 320 transitions. Word has length 32 [2025-01-10 02:00:43,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:43,256 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 320 transitions. [2025-01-10 02:00:43,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:43,256 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 320 transitions. [2025-01-10 02:00:43,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-01-10 02:00:43,258 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:43,258 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:43,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-10 02:00:43,462 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 02:00:43,462 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:43,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:43,463 INFO L85 PathProgramCache]: Analyzing trace with hash 740733238, now seen corresponding path program 1 times [2025-01-10 02:00:43,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:43,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438052916] [2025-01-10 02:00:43,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:43,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:43,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 02:00:43,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:00:43,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:43,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:43,607 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:43,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:43,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438052916] [2025-01-10 02:00:43,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438052916] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:43,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:43,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:00:43,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649334628] [2025-01-10 02:00:43,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:43,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:00:43,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:43,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:00:43,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:00:43,608 INFO L87 Difference]: Start difference. First operand 236 states and 320 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:43,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:43,687 INFO L93 Difference]: Finished difference Result 265 states and 330 transitions. [2025-01-10 02:00:43,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:00:43,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2025-01-10 02:00:43,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:43,691 INFO L225 Difference]: With dead ends: 265 [2025-01-10 02:00:43,691 INFO L226 Difference]: Without dead ends: 264 [2025-01-10 02:00:43,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:00:43,691 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 55 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:43,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 349 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:00:43,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2025-01-10 02:00:43,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 241. [2025-01-10 02:00:43,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 169 states have (on average 1.698224852071006) internal successors, (287), 218 states have internal predecessors, (287), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:00:43,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 327 transitions. [2025-01-10 02:00:43,711 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 327 transitions. Word has length 34 [2025-01-10 02:00:43,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:43,712 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 327 transitions. [2025-01-10 02:00:43,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:43,712 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 327 transitions. [2025-01-10 02:00:43,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-01-10 02:00:43,712 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:43,712 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:43,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-10 02:00:43,712 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:43,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:43,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1487894043, now seen corresponding path program 1 times [2025-01-10 02:00:43,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:43,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686024777] [2025-01-10 02:00:43,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:43,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:43,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 02:00:43,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 02:00:43,720 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:43,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:43,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [315658175] [2025-01-10 02:00:43,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:43,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:43,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:43,723 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 02:00:43,724 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 02:00:43,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 02:00:43,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 02:00:43,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:43,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:43,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:00:43,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:43,799 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:43,799 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:43,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:43,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686024777] [2025-01-10 02:00:43,800 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:43,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315658175] [2025-01-10 02:00:43,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315658175] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:43,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:43,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:00:43,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015338042] [2025-01-10 02:00:43,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:43,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:00:43,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:43,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:00:43,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:00:43,801 INFO L87 Difference]: Start difference. First operand 241 states and 327 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:43,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:43,908 INFO L93 Difference]: Finished difference Result 282 states and 338 transitions. [2025-01-10 02:00:43,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:00:43,909 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2025-01-10 02:00:43,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:43,910 INFO L225 Difference]: With dead ends: 282 [2025-01-10 02:00:43,911 INFO L226 Difference]: Without dead ends: 281 [2025-01-10 02:00:43,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:00:43,911 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 149 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:43,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 346 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:00:43,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2025-01-10 02:00:43,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 243. [2025-01-10 02:00:43,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 171 states have (on average 1.6900584795321638) internal successors, (289), 220 states have internal predecessors, (289), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:00:43,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 329 transitions. [2025-01-10 02:00:43,923 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 329 transitions. Word has length 35 [2025-01-10 02:00:43,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:43,923 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 329 transitions. [2025-01-10 02:00:43,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:43,923 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 329 transitions. [2025-01-10 02:00:43,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-01-10 02:00:43,924 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:43,924 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:43,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-10 02:00:44,125 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,SelfDestructingSolverStorable12 [2025-01-10 02:00:44,125 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:44,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:44,126 INFO L85 PathProgramCache]: Analyzing trace with hash -357932731, now seen corresponding path program 1 times [2025-01-10 02:00:44,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:44,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085568541] [2025-01-10 02:00:44,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:44,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:44,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:00:44,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:00:44,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:44,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:44,229 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:00:44,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:44,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085568541] [2025-01-10 02:00:44,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085568541] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:00:44,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759200834] [2025-01-10 02:00:44,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:44,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:44,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:44,232 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 02:00:44,233 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 02:00:44,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:00:44,265 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:00:44,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:44,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:44,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:00:44,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:44,306 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:44,306 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:00:44,426 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:44,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759200834] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:00:44,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:00:44,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 15 [2025-01-10 02:00:44,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729107874] [2025-01-10 02:00:44,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:00:44,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 02:00:44,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:44,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 02:00:44,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:00:44,427 INFO L87 Difference]: Start difference. First operand 243 states and 329 transitions. Second operand has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 14 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:00:45,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:45,567 INFO L93 Difference]: Finished difference Result 867 states and 1152 transitions. [2025-01-10 02:00:45,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-10 02:00:45,568 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 14 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2025-01-10 02:00:45,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:45,572 INFO L225 Difference]: With dead ends: 867 [2025-01-10 02:00:45,572 INFO L226 Difference]: Without dead ends: 839 [2025-01-10 02:00:45,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=316, Invalid=944, Unknown=0, NotChecked=0, Total=1260 [2025-01-10 02:00:45,575 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 1761 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 1481 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1761 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 1731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 1481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:45,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1761 Valid, 1297 Invalid, 1731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 1481 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-10 02:00:45,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2025-01-10 02:00:45,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 246. [2025-01-10 02:00:45,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 174 states have (on average 1.6896551724137931) internal successors, (294), 223 states have internal predecessors, (294), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:00:45,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 334 transitions. [2025-01-10 02:00:45,611 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 334 transitions. Word has length 37 [2025-01-10 02:00:45,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:45,611 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 334 transitions. [2025-01-10 02:00:45,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 14 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:00:45,612 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 334 transitions. [2025-01-10 02:00:45,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 02:00:45,612 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:45,612 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:45,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-01-10 02:00:45,812 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,SelfDestructingSolverStorable13 [2025-01-10 02:00:45,813 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:45,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:45,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1788986232, now seen corresponding path program 1 times [2025-01-10 02:00:45,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:45,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245323251] [2025-01-10 02:00:45,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:45,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:45,816 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:00:45,821 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:00:45,821 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:45,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:45,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [837178893] [2025-01-10 02:00:45,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:45,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:45,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:45,824 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 02:00:45,826 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 02:00:45,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:00:45,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:00:45,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:45,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:45,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 02:00:45,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:45,936 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:00:45,936 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:00:46,078 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:00:46,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:46,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245323251] [2025-01-10 02:00:46,079 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:46,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837178893] [2025-01-10 02:00:46,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837178893] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:00:46,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:00:46,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2025-01-10 02:00:46,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144421620] [2025-01-10 02:00:46,079 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:00:46,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:00:46,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:46,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:00:46,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:00:46,080 INFO L87 Difference]: Start difference. First operand 246 states and 334 transitions. Second operand has 12 states, 10 states have (on average 4.1) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 02:00:46,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:46,624 INFO L93 Difference]: Finished difference Result 431 states and 559 transitions. [2025-01-10 02:00:46,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:00:46,624 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 4.1) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) Word has length 38 [2025-01-10 02:00:46,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:46,626 INFO L225 Difference]: With dead ends: 431 [2025-01-10 02:00:46,626 INFO L226 Difference]: Without dead ends: 428 [2025-01-10 02:00:46,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:00:46,626 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 541 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:46,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 955 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:00:46,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2025-01-10 02:00:46,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 258. [2025-01-10 02:00:46,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 186 states have (on average 1.6612903225806452) internal successors, (309), 234 states have internal predecessors, (309), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 02:00:46,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 351 transitions. [2025-01-10 02:00:46,640 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 351 transitions. Word has length 38 [2025-01-10 02:00:46,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:46,640 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 351 transitions. [2025-01-10 02:00:46,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 4.1) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 02:00:46,640 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 351 transitions. [2025-01-10 02:00:46,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 02:00:46,641 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:46,641 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:46,646 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 02:00:46,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:46,842 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:46,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:46,842 INFO L85 PathProgramCache]: Analyzing trace with hash -376001595, now seen corresponding path program 1 times [2025-01-10 02:00:46,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:46,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005410799] [2025-01-10 02:00:46,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:46,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:46,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:00:46,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:00:46,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:46,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:46,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [611982054] [2025-01-10 02:00:46,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:46,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:46,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:46,855 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 02:00:46,858 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 02:00:46,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:00:46,888 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:00:46,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:46,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:46,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 02:00:46,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:46,984 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:00:46,984 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:00:47,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:47,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005410799] [2025-01-10 02:00:47,195 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:47,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611982054] [2025-01-10 02:00:47,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611982054] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:00:47,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:00:47,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 02:00:47,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213260503] [2025-01-10 02:00:47,195 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:00:47,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:00:47,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:47,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:00:47,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:00:47,196 INFO L87 Difference]: Start difference. First operand 258 states and 351 transitions. Second operand has 8 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:00:47,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:47,435 INFO L93 Difference]: Finished difference Result 410 states and 538 transitions. [2025-01-10 02:00:47,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:00:47,435 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2025-01-10 02:00:47,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:47,437 INFO L225 Difference]: With dead ends: 410 [2025-01-10 02:00:47,437 INFO L226 Difference]: Without dead ends: 407 [2025-01-10 02:00:47,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:00:47,437 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 541 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:47,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 423 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:00:47,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2025-01-10 02:00:47,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 342. [2025-01-10 02:00:47,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 261 states have (on average 1.7049808429118773) internal successors, (445), 309 states have internal predecessors, (445), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 02:00:47,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 505 transitions. [2025-01-10 02:00:47,469 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 505 transitions. Word has length 39 [2025-01-10 02:00:47,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:47,469 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 505 transitions. [2025-01-10 02:00:47,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:00:47,469 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 505 transitions. [2025-01-10 02:00:47,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 02:00:47,470 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:47,470 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:47,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-10 02:00:47,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:47,671 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:47,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:47,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1228852506, now seen corresponding path program 1 times [2025-01-10 02:00:47,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:47,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409576298] [2025-01-10 02:00:47,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:47,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:47,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:00:47,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:00:47,679 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:47,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:47,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1774914189] [2025-01-10 02:00:47,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:47,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:47,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:47,681 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 02:00:47,684 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 02:00:47,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:00:47,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:00:47,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:47,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:47,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 02:00:47,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:47,861 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:00:47,861 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:00:48,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:48,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409576298] [2025-01-10 02:00:48,070 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:48,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774914189] [2025-01-10 02:00:48,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774914189] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:00:48,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:00:48,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 02:00:48,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335518289] [2025-01-10 02:00:48,070 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:00:48,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:00:48,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:48,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:00:48,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2025-01-10 02:00:48,072 INFO L87 Difference]: Start difference. First operand 342 states and 505 transitions. Second operand has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:00:48,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:48,685 INFO L93 Difference]: Finished difference Result 463 states and 649 transitions. [2025-01-10 02:00:48,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:00:48,689 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2025-01-10 02:00:48,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:48,690 INFO L225 Difference]: With dead ends: 463 [2025-01-10 02:00:48,690 INFO L226 Difference]: Without dead ends: 462 [2025-01-10 02:00:48,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:00:48,691 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 313 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:48,691 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 607 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:00:48,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2025-01-10 02:00:48,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 416. [2025-01-10 02:00:48,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 326 states have (on average 1.7239263803680982) internal successors, (562), 374 states have internal predecessors, (562), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-10 02:00:48,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 640 transitions. [2025-01-10 02:00:48,731 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 640 transitions. Word has length 40 [2025-01-10 02:00:48,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:48,731 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 640 transitions. [2025-01-10 02:00:48,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:00:48,731 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 640 transitions. [2025-01-10 02:00:48,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-01-10 02:00:48,732 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:48,732 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:48,742 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 02:00:48,932 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,SelfDestructingSolverStorable16 [2025-01-10 02:00:48,933 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:48,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:48,934 INFO L85 PathProgramCache]: Analyzing trace with hash -559970075, now seen corresponding path program 1 times [2025-01-10 02:00:48,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:48,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113923463] [2025-01-10 02:00:48,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:48,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:48,938 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:00:48,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:00:48,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:48,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:49,040 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:49,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:49,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113923463] [2025-01-10 02:00:49,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113923463] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:00:49,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375780522] [2025-01-10 02:00:49,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:49,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:49,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:49,043 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 02:00:49,050 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 02:00:49,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:00:49,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:00:49,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:49,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:49,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:00:49,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:49,107 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:49,107 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:49,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375780522] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:49,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:00:49,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2025-01-10 02:00:49,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215738443] [2025-01-10 02:00:49,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:49,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:00:49,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:49,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:00:49,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:00:49,112 INFO L87 Difference]: Start difference. First operand 416 states and 640 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:49,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:49,342 INFO L93 Difference]: Finished difference Result 600 states and 841 transitions. [2025-01-10 02:00:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:00:49,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2025-01-10 02:00:49,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:49,348 INFO L225 Difference]: With dead ends: 600 [2025-01-10 02:00:49,348 INFO L226 Difference]: Without dead ends: 437 [2025-01-10 02:00:49,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:00:49,349 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 154 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 531 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:49,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 531 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:00:49,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2025-01-10 02:00:49,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 403. [2025-01-10 02:00:49,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.7229299363057324) internal successors, (541), 361 states have internal predecessors, (541), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-10 02:00:49,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 619 transitions. [2025-01-10 02:00:49,376 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 619 transitions. Word has length 41 [2025-01-10 02:00:49,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:49,376 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 619 transitions. [2025-01-10 02:00:49,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:00:49,376 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 619 transitions. [2025-01-10 02:00:49,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-01-10 02:00:49,377 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:49,377 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:49,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-10 02:00:49,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-10 02:00:49,578 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:49,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:49,578 INFO L85 PathProgramCache]: Analyzing trace with hash -560277913, now seen corresponding path program 1 times [2025-01-10 02:00:49,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:49,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373415673] [2025-01-10 02:00:49,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:49,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:49,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:00:49,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:00:49,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:49,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:49,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2114925347] [2025-01-10 02:00:49,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:49,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:49,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:49,587 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 02:00:49,589 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 02:00:49,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:00:49,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:00:49,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:49,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:49,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 02:00:49,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:49,856 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:00:49,856 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:00:50,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:50,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373415673] [2025-01-10 02:00:50,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:50,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114925347] [2025-01-10 02:00:50,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114925347] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:00:50,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:00:50,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 02:00:50,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541469713] [2025-01-10 02:00:50,251 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:00:50,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:00:50,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:50,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:00:50,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2025-01-10 02:00:50,252 INFO L87 Difference]: Start difference. First operand 403 states and 619 transitions. Second operand has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:00:50,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:50,754 INFO L93 Difference]: Finished difference Result 449 states and 624 transitions. [2025-01-10 02:00:50,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:00:50,754 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2025-01-10 02:00:50,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:50,756 INFO L225 Difference]: With dead ends: 449 [2025-01-10 02:00:50,756 INFO L226 Difference]: Without dead ends: 448 [2025-01-10 02:00:50,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:00:50,757 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 306 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:50,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 622 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:00:50,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2025-01-10 02:00:50,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 403. [2025-01-10 02:00:50,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.713375796178344) internal successors, (538), 361 states have internal predecessors, (538), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-10 02:00:50,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 616 transitions. [2025-01-10 02:00:50,777 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 616 transitions. Word has length 41 [2025-01-10 02:00:50,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:50,777 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 616 transitions. [2025-01-10 02:00:50,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.375) internal successors, (27), 9 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:00:50,777 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 616 transitions. [2025-01-10 02:00:50,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-01-10 02:00:50,778 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:50,778 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:50,784 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 02:00:50,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:50,982 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:50,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:50,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1736158019, now seen corresponding path program 1 times [2025-01-10 02:00:50,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:50,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955035634] [2025-01-10 02:00:50,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:50,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:50,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 02:00:50,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 02:00:50,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:50,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:50,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1877752384] [2025-01-10 02:00:50,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:50,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:50,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:50,997 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 02:00:51,003 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 02:00:51,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 02:00:51,032 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 02:00:51,032 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:51,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:51,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:00:51,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:51,076 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:51,076 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:51,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:51,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955035634] [2025-01-10 02:00:51,076 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:51,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877752384] [2025-01-10 02:00:51,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877752384] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:51,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:51,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:00:51,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519738608] [2025-01-10 02:00:51,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:51,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:00:51,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:51,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:00:51,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:00:51,077 INFO L87 Difference]: Start difference. First operand 403 states and 616 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:00:51,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:51,277 INFO L93 Difference]: Finished difference Result 430 states and 627 transitions. [2025-01-10 02:00:51,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:00:51,278 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2025-01-10 02:00:51,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:51,280 INFO L225 Difference]: With dead ends: 430 [2025-01-10 02:00:51,281 INFO L226 Difference]: Without dead ends: 429 [2025-01-10 02:00:51,281 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 02:00:51,281 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 55 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:51,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 291 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:00:51,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2025-01-10 02:00:51,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 403. [2025-01-10 02:00:51,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.7070063694267517) internal successors, (536), 361 states have internal predecessors, (536), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-10 02:00:51,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 614 transitions. [2025-01-10 02:00:51,306 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 614 transitions. Word has length 42 [2025-01-10 02:00:51,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:51,307 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 614 transitions. [2025-01-10 02:00:51,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:00:51,307 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 614 transitions. [2025-01-10 02:00:51,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-01-10 02:00:51,307 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:51,307 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:51,317 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 02:00:51,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:51,508 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:51,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:51,508 INFO L85 PathProgramCache]: Analyzing trace with hash -188746052, now seen corresponding path program 1 times [2025-01-10 02:00:51,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:51,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545090091] [2025-01-10 02:00:51,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:51,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:51,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 02:00:51,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 02:00:51,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:51,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:51,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1121890371] [2025-01-10 02:00:51,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:51,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:51,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:51,525 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 02:00:51,527 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 02:00:51,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 02:00:51,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 02:00:51,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:51,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:51,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 02:00:51,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:51,688 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:00:51,688 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:00:55,859 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:00:55,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:55,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545090091] [2025-01-10 02:00:55,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:55,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121890371] [2025-01-10 02:00:55,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121890371] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:00:55,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:00:55,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2025-01-10 02:00:55,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199223510] [2025-01-10 02:00:55,860 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:00:55,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 02:00:55,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:55,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 02:00:55,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=163, Unknown=1, NotChecked=0, Total=210 [2025-01-10 02:00:55,861 INFO L87 Difference]: Start difference. First operand 403 states and 614 transitions. Second operand has 15 states, 14 states have (on average 3.5) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:00:56,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:56,554 INFO L93 Difference]: Finished difference Result 456 states and 626 transitions. [2025-01-10 02:00:56,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:00:56,556 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.5) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 42 [2025-01-10 02:00:56,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:56,557 INFO L225 Difference]: With dead ends: 456 [2025-01-10 02:00:56,557 INFO L226 Difference]: Without dead ends: 451 [2025-01-10 02:00:56,558 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=71, Invalid=234, Unknown=1, NotChecked=0, Total=306 [2025-01-10 02:00:56,558 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 370 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:56,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 864 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 971 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 02:00:56,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2025-01-10 02:00:56,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 329. [2025-01-10 02:00:56,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 249 states have (on average 1.6546184738955823) internal successors, (412), 296 states have internal predecessors, (412), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 02:00:56,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 472 transitions. [2025-01-10 02:00:56,576 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 472 transitions. Word has length 42 [2025-01-10 02:00:56,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:56,576 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 472 transitions. [2025-01-10 02:00:56,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.5) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 02:00:56,576 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 472 transitions. [2025-01-10 02:00:56,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-01-10 02:00:56,576 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:56,577 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:56,586 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 02:00:56,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:56,777 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:56,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:56,777 INFO L85 PathProgramCache]: Analyzing trace with hash 2013676341, now seen corresponding path program 1 times [2025-01-10 02:00:56,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:56,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421054659] [2025-01-10 02:00:56,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:56,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:56,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 02:00:56,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 02:00:56,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:56,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:56,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1186420911] [2025-01-10 02:00:56,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:56,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:56,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:56,795 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 02:00:56,796 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 02:00:56,818 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 02:00:56,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 02:00:56,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:56,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:56,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:00:56,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:56,882 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:00:56,882 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:00:56,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:56,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421054659] [2025-01-10 02:00:56,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:56,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186420911] [2025-01-10 02:00:56,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186420911] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:00:56,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:00:56,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:00:56,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985248447] [2025-01-10 02:00:56,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:00:56,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:00:56,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:56,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:00:56,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:00:56,883 INFO L87 Difference]: Start difference. First operand 329 states and 472 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, (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 02:00:57,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:57,014 INFO L93 Difference]: Finished difference Result 357 states and 484 transitions. [2025-01-10 02:00:57,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:00:57,014 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, (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 43 [2025-01-10 02:00:57,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:57,016 INFO L225 Difference]: With dead ends: 357 [2025-01-10 02:00:57,016 INFO L226 Difference]: Without dead ends: 356 [2025-01-10 02:00:57,016 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 02:00:57,017 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 90 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:57,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 229 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:00:57,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2025-01-10 02:00:57,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 329. [2025-01-10 02:00:57,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 249 states have (on average 1.6465863453815262) internal successors, (410), 296 states have internal predecessors, (410), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 02:00:57,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 470 transitions. [2025-01-10 02:00:57,054 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 470 transitions. Word has length 43 [2025-01-10 02:00:57,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:57,055 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 470 transitions. [2025-01-10 02:00:57,056 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, (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 02:00:57,056 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 470 transitions. [2025-01-10 02:00:57,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-01-10 02:00:57,056 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:57,056 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:57,067 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-01-10 02:00:57,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:57,257 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:57,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:57,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1556160247, now seen corresponding path program 1 times [2025-01-10 02:00:57,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:57,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191348150] [2025-01-10 02:00:57,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:57,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:57,262 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 02:00:57,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 02:00:57,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:57,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:57,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1259224192] [2025-01-10 02:00:57,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:57,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:57,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:57,274 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 02:00:57,275 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 02:00:57,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 02:00:57,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 02:00:57,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:57,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:57,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 02:00:57,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:57,505 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:00:57,505 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:00:58,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:00:58,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191348150] [2025-01-10 02:00:58,149 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:00:58,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259224192] [2025-01-10 02:00:58,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259224192] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:00:58,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:00:58,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 02:00:58,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744670174] [2025-01-10 02:00:58,149 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:00:58,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:00:58,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:00:58,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:00:58,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:00:58,150 INFO L87 Difference]: Start difference. First operand 329 states and 470 transitions. Second operand has 11 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:00:58,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:00:58,716 INFO L93 Difference]: Finished difference Result 439 states and 603 transitions. [2025-01-10 02:00:58,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:00:58,716 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 43 [2025-01-10 02:00:58,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:00:58,717 INFO L225 Difference]: With dead ends: 439 [2025-01-10 02:00:58,717 INFO L226 Difference]: Without dead ends: 438 [2025-01-10 02:00:58,717 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2025-01-10 02:00:58,718 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 499 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:00:58,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 488 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:00:58,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2025-01-10 02:00:58,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 403. [2025-01-10 02:00:58,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.6464968152866242) internal successors, (517), 361 states have internal predecessors, (517), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-10 02:00:58,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 595 transitions. [2025-01-10 02:00:58,740 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 595 transitions. Word has length 43 [2025-01-10 02:00:58,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:00:58,740 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 595 transitions. [2025-01-10 02:00:58,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:00:58,740 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 595 transitions. [2025-01-10 02:00:58,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-01-10 02:00:58,741 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:00:58,741 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:00:58,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-01-10 02:00:58,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:58,945 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:00:58,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:00:58,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1679219884, now seen corresponding path program 1 times [2025-01-10 02:00:58,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:00:58,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060598389] [2025-01-10 02:00:58,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:58,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:00:58,948 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 02:00:58,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 02:00:58,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:58,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:00:58,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [569869350] [2025-01-10 02:00:58,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:00:58,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:00:58,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:00:58,957 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 02:00:58,964 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 02:00:58,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 02:00:58,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 02:00:58,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:00:58,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:00:58,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 02:00:58,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:00:59,159 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:00:59,160 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:01:08,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:01:08,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060598389] [2025-01-10 02:01:08,369 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:01:08,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569869350] [2025-01-10 02:01:08,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569869350] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:01:08,369 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:01:08,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 02:01:08,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62889346] [2025-01-10 02:01:08,369 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:01:08,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:01:08,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:01:08,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:01:08,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=213, Unknown=2, NotChecked=0, Total=272 [2025-01-10 02:01:08,369 INFO L87 Difference]: Start difference. First operand 403 states and 595 transitions. Second operand has 11 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:01:08,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:01:08,939 INFO L93 Difference]: Finished difference Result 445 states and 608 transitions. [2025-01-10 02:01:08,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:01:08,940 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 49 [2025-01-10 02:01:08,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:01:08,941 INFO L225 Difference]: With dead ends: 445 [2025-01-10 02:01:08,941 INFO L226 Difference]: Without dead ends: 444 [2025-01-10 02:01:08,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=108, Invalid=352, Unknown=2, NotChecked=0, Total=462 [2025-01-10 02:01:08,942 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 626 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 630 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:01:08,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [630 Valid, 586 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:01:08,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-01-10 02:01:08,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 403. [2025-01-10 02:01:08,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.6369426751592357) internal successors, (514), 361 states have internal predecessors, (514), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-10 02:01:08,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 592 transitions. [2025-01-10 02:01:08,966 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 592 transitions. Word has length 49 [2025-01-10 02:01:08,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:01:08,966 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 592 transitions. [2025-01-10 02:01:08,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:01:08,966 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 592 transitions. [2025-01-10 02:01:08,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-01-10 02:01:08,966 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:01:08,967 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:01:08,973 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-01-10 02:01:09,167 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,SelfDestructingSolverStorable23 [2025-01-10 02:01:09,167 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:01:09,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:01:09,168 INFO L85 PathProgramCache]: Analyzing trace with hash 516208926, now seen corresponding path program 1 times [2025-01-10 02:01:09,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:01:09,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896949949] [2025-01-10 02:01:09,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:09,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:01:09,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-10 02:01:09,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 02:01:09,182 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:09,182 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:01:09,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1109528325] [2025-01-10 02:01:09,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:09,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:01:09,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:01:09,187 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 02:01:09,190 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 02:01:09,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-10 02:01:09,221 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 02:01:09,221 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:09,222 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:01:09,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 02:01:09,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:01:09,352 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:01:09,353 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:01:18,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:01:18,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896949949] [2025-01-10 02:01:18,077 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:01:18,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109528325] [2025-01-10 02:01:18,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109528325] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:01:18,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:01:18,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 02:01:18,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903202454] [2025-01-10 02:01:18,077 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:01:18,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:01:18,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:01:18,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:01:18,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=218, Unknown=2, NotChecked=0, Total=272 [2025-01-10 02:01:18,078 INFO L87 Difference]: Start difference. First operand 403 states and 592 transitions. Second operand has 11 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:01:18,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:01:18,586 INFO L93 Difference]: Finished difference Result 445 states and 605 transitions. [2025-01-10 02:01:18,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:01:18,587 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 50 [2025-01-10 02:01:18,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:01:18,588 INFO L225 Difference]: With dead ends: 445 [2025-01-10 02:01:18,589 INFO L226 Difference]: Without dead ends: 444 [2025-01-10 02:01:18,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=108, Invalid=352, Unknown=2, NotChecked=0, Total=462 [2025-01-10 02:01:18,589 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 635 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:01:18,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 586 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:01:18,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-01-10 02:01:18,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 403. [2025-01-10 02:01:18,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.627388535031847) internal successors, (511), 361 states have internal predecessors, (511), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-10 02:01:18,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 589 transitions. [2025-01-10 02:01:18,617 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 589 transitions. Word has length 50 [2025-01-10 02:01:18,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:01:18,617 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 589 transitions. [2025-01-10 02:01:18,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:01:18,617 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 589 transitions. [2025-01-10 02:01:18,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-01-10 02:01:18,617 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:01:18,617 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] [2025-01-10 02:01:18,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-01-10 02:01:18,820 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,SelfDestructingSolverStorable24 [2025-01-10 02:01:18,821 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:01:18,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:01:18,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1436440067, now seen corresponding path program 1 times [2025-01-10 02:01:18,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:01:18,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631948458] [2025-01-10 02:01:18,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:18,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:01:18,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 02:01:18,828 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 02:01:18,828 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:18,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:01:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-01-10 02:01:18,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:01:18,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631948458] [2025-01-10 02:01:18,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631948458] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:01:18,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585745199] [2025-01-10 02:01:18,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:18,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:01:18,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:01:18,943 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 02:01:18,946 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 02:01:18,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 02:01:18,971 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 02:01:18,971 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:18,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:01:18,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:01:18,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:01:19,036 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 02:01:19,037 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:01:19,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585745199] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:01:19,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:01:19,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2025-01-10 02:01:19,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390360863] [2025-01-10 02:01:19,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:01:19,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:01:19,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:01:19,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:01:19,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:01:19,039 INFO L87 Difference]: Start difference. First operand 403 states and 589 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:01:19,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:01:19,268 INFO L93 Difference]: Finished difference Result 430 states and 593 transitions. [2025-01-10 02:01:19,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:01:19,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2025-01-10 02:01:19,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:01:19,270 INFO L225 Difference]: With dead ends: 430 [2025-01-10 02:01:19,270 INFO L226 Difference]: Without dead ends: 429 [2025-01-10 02:01:19,270 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2025-01-10 02:01:19,270 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 250 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:01:19,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 265 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:01:19,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2025-01-10 02:01:19,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 403. [2025-01-10 02:01:19,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 314 states have (on average 1.624203821656051) internal successors, (510), 361 states have internal predecessors, (510), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-10 02:01:19,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 588 transitions. [2025-01-10 02:01:19,292 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 588 transitions. Word has length 51 [2025-01-10 02:01:19,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:01:19,292 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 588 transitions. [2025-01-10 02:01:19,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:01:19,292 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 588 transitions. [2025-01-10 02:01:19,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-01-10 02:01:19,293 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:01:19,293 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:01:19,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-01-10 02:01:19,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-01-10 02:01:19,497 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:01:19,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:01:19,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1177392402, now seen corresponding path program 1 times [2025-01-10 02:01:19,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:01:19,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557132335] [2025-01-10 02:01:19,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:19,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:01:19,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 02:01:19,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 02:01:19,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:19,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:01:19,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [352510949] [2025-01-10 02:01:19,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:19,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:01:19,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:01:19,512 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 02:01:19,516 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 02:01:19,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 02:01:19,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 02:01:19,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:19,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:01:19,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 02:01:19,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:01:19,724 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:01:19,724 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:01:32,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:01:32,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557132335] [2025-01-10 02:01:32,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:01:32,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352510949] [2025-01-10 02:01:32,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352510949] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:01:32,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:01:32,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 02:01:32,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80961908] [2025-01-10 02:01:32,044 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:01:32,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:01:32,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:01:32,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:01:32,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=212, Unknown=3, NotChecked=0, Total=272 [2025-01-10 02:01:32,045 INFO L87 Difference]: Start difference. First operand 403 states and 588 transitions. Second operand has 11 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:01:32,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:01:32,675 INFO L93 Difference]: Finished difference Result 451 states and 609 transitions. [2025-01-10 02:01:32,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:01:32,676 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 51 [2025-01-10 02:01:32,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:01:32,679 INFO L225 Difference]: With dead ends: 451 [2025-01-10 02:01:32,679 INFO L226 Difference]: Without dead ends: 450 [2025-01-10 02:01:32,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=112, Invalid=391, Unknown=3, NotChecked=0, Total=506 [2025-01-10 02:01:32,680 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 579 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:01:32,680 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 438 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:01:32,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2025-01-10 02:01:32,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 393. [2025-01-10 02:01:32,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 305 states have (on average 1.639344262295082) internal successors, (500), 352 states have internal predecessors, (500), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-01-10 02:01:32,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 576 transitions. [2025-01-10 02:01:32,704 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 576 transitions. Word has length 51 [2025-01-10 02:01:32,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:01:32,704 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 576 transitions. [2025-01-10 02:01:32,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:01:32,704 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 576 transitions. [2025-01-10 02:01:32,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 02:01:32,704 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:01:32,705 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] [2025-01-10 02:01:32,711 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 02:01:32,905 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,SelfDestructingSolverStorable26 [2025-01-10 02:01:32,905 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:01:32,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:01:32,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1579969208, now seen corresponding path program 1 times [2025-01-10 02:01:32,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:01:32,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274509585] [2025-01-10 02:01:32,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:32,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:01:32,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:01:32,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:01:32,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:32,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:01:32,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [543029065] [2025-01-10 02:01:32,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:32,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:01:32,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:01:32,916 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 02:01:32,918 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 02:01:32,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:01:32,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:01:32,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:32,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:01:32,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:01:32,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:01:33,003 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 02:01:33,003 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:01:33,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:01:33,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274509585] [2025-01-10 02:01:33,003 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:01:33,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543029065] [2025-01-10 02:01:33,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543029065] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:01:33,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:01:33,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:01:33,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625264244] [2025-01-10 02:01:33,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:01:33,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:01:33,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:01:33,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:01:33,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:01:33,004 INFO L87 Difference]: Start difference. First operand 393 states and 576 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:01:33,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:01:33,206 INFO L93 Difference]: Finished difference Result 420 states and 580 transitions. [2025-01-10 02:01:33,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:01:33,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2025-01-10 02:01:33,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:01:33,208 INFO L225 Difference]: With dead ends: 420 [2025-01-10 02:01:33,208 INFO L226 Difference]: Without dead ends: 419 [2025-01-10 02:01:33,208 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:01:33,208 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 247 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:01:33,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 267 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:01:33,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2025-01-10 02:01:33,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 393. [2025-01-10 02:01:33,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 305 states have (on average 1.6360655737704919) internal successors, (499), 352 states have internal predecessors, (499), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-01-10 02:01:33,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 575 transitions. [2025-01-10 02:01:33,247 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 575 transitions. Word has length 52 [2025-01-10 02:01:33,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:01:33,247 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 575 transitions. [2025-01-10 02:01:33,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 02:01:33,247 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 575 transitions. [2025-01-10 02:01:33,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 02:01:33,248 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:01:33,248 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:01:33,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-01-10 02:01:33,448 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,SelfDestructingSolverStorable27 [2025-01-10 02:01:33,449 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:01:33,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:01:33,449 INFO L85 PathProgramCache]: Analyzing trace with hash -2139426016, now seen corresponding path program 1 times [2025-01-10 02:01:33,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:01:33,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346296158] [2025-01-10 02:01:33,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:33,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:01:33,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:01:33,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:01:33,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:33,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:01:33,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [540265542] [2025-01-10 02:01:33,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:33,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:01:33,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:01:33,462 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 02:01:33,463 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 02:01:33,485 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:01:33,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:01:33,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:33,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:01:33,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 02:01:33,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:01:33,667 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:01:33,667 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:01:42,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:01:42,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346296158] [2025-01-10 02:01:42,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:01:42,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540265542] [2025-01-10 02:01:42,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540265542] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:01:42,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:01:42,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 02:01:42,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427929054] [2025-01-10 02:01:42,167 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:01:42,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:01:42,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:01:42,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:01:42,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=213, Unknown=2, NotChecked=0, Total=272 [2025-01-10 02:01:42,167 INFO L87 Difference]: Start difference. First operand 393 states and 575 transitions. Second operand has 11 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:01:42,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:01:42,751 INFO L93 Difference]: Finished difference Result 441 states and 596 transitions. [2025-01-10 02:01:42,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:01:42,752 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 52 [2025-01-10 02:01:42,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:01:42,753 INFO L225 Difference]: With dead ends: 441 [2025-01-10 02:01:42,753 INFO L226 Difference]: Without dead ends: 440 [2025-01-10 02:01:42,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=112, Invalid=392, Unknown=2, NotChecked=0, Total=506 [2025-01-10 02:01:42,754 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 383 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 944 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:01:42,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 474 Invalid, 968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 944 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:01:42,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-01-10 02:01:42,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 393. [2025-01-10 02:01:42,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 305 states have (on average 1.6295081967213114) internal successors, (497), 352 states have internal predecessors, (497), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-01-10 02:01:42,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 573 transitions. [2025-01-10 02:01:42,777 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 573 transitions. Word has length 52 [2025-01-10 02:01:42,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:01:42,777 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 573 transitions. [2025-01-10 02:01:42,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:01:42,777 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 573 transitions. [2025-01-10 02:01:42,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-01-10 02:01:42,778 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:01:42,778 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:01:42,784 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 02:01:42,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-01-10 02:01:42,978 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:01:42,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:01:42,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1897696976, now seen corresponding path program 1 times [2025-01-10 02:01:42,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:01:42,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236792376] [2025-01-10 02:01:42,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:42,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:01:42,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:01:42,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:01:42,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:42,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:01:42,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1829218918] [2025-01-10 02:01:42,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:42,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:01:42,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:01:42,991 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 02:01:42,994 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 02:01:43,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:01:43,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:01:43,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:43,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:01:43,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-01-10 02:01:43,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:01:43,306 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:01:43,306 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:01:43,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:01:43,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236792376] [2025-01-10 02:01:43,359 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:01:43,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829218918] [2025-01-10 02:01:43,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829218918] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:01:43,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:01:43,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-01-10 02:01:43,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307091892] [2025-01-10 02:01:43,360 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:01:43,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 02:01:43,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:01:43,360 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 02:01:43,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:01:43,361 INFO L87 Difference]: Start difference. First operand 393 states and 573 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-01-10 02:01:43,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:01:43,930 INFO L93 Difference]: Finished difference Result 439 states and 592 transitions. [2025-01-10 02:01:43,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 02:01:43,930 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 53 [2025-01-10 02:01:43,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:01:43,932 INFO L225 Difference]: With dead ends: 439 [2025-01-10 02:01:43,932 INFO L226 Difference]: Without dead ends: 438 [2025-01-10 02:01:43,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:01:43,932 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 324 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:01:43,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 646 Invalid, 1197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:01:43,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2025-01-10 02:01:43,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 393. [2025-01-10 02:01:43,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 305 states have (on average 1.6229508196721312) internal successors, (495), 352 states have internal predecessors, (495), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-01-10 02:01:43,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 571 transitions. [2025-01-10 02:01:43,955 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 571 transitions. Word has length 53 [2025-01-10 02:01:43,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:01:43,955 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 571 transitions. [2025-01-10 02:01:43,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-01-10 02:01:43,956 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 571 transitions. [2025-01-10 02:01:43,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-01-10 02:01:43,956 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:01:43,956 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:01:43,964 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 02:01:44,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:01:44,160 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:01:44,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:01:44,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1300935970, now seen corresponding path program 1 times [2025-01-10 02:01:44,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:01:44,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941829454] [2025-01-10 02:01:44,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:44,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:01:44,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-10 02:01:44,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-10 02:01:44,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:44,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:01:44,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [10725236] [2025-01-10 02:01:44,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:01:44,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:01:44,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:01:44,174 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 02:01:44,176 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 02:01:44,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-10 02:01:44,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-10 02:01:44,207 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:01:44,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:01:44,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-10 02:01:44,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:01:44,513 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:01:44,513 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:01:48,898 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 02:01:48,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:01:48,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941829454] [2025-01-10 02:01:48,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:01:48,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10725236] [2025-01-10 02:01:48,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10725236] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:01:48,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:01:48,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2025-01-10 02:01:48,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877709695] [2025-01-10 02:01:48,902 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:01:48,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-10 02:01:48,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:01:48,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-10 02:01:48,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2025-01-10 02:01:48,903 INFO L87 Difference]: Start difference. First operand 393 states and 571 transitions. Second operand has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 02:01:57,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-01-10 02:02:03,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-01-10 02:02:08,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-01-10 02:02:12,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-01-10 02:02:16,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-01-10 02:02:21,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-01-10 02:02:21,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:02:21,572 INFO L93 Difference]: Finished difference Result 456 states and 610 transitions. [2025-01-10 02:02:21,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-10 02:02:21,573 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 54 [2025-01-10 02:02:21,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:02:21,574 INFO L225 Difference]: With dead ends: 456 [2025-01-10 02:02:21,574 INFO L226 Difference]: Without dead ends: 455 [2025-01-10 02:02:21,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=269, Invalid=989, Unknown=2, NotChecked=0, Total=1260 [2025-01-10 02:02:21,575 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 997 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 1373 mSolverCounterSat, 102 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 997 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 1482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1373 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:02:21,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [997 Valid, 452 Invalid, 1482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1373 Invalid, 7 Unknown, 0 Unchecked, 28.0s Time] [2025-01-10 02:02:21,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2025-01-10 02:02:21,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 399. [2025-01-10 02:02:21,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 311 states have (on average 1.6109324758842443) internal successors, (501), 358 states have internal predecessors, (501), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-01-10 02:02:21,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 577 transitions. [2025-01-10 02:02:21,620 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 577 transitions. Word has length 54 [2025-01-10 02:02:21,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:02:21,620 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 577 transitions. [2025-01-10 02:02:21,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 02:02:21,620 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 577 transitions. [2025-01-10 02:02:21,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-01-10 02:02:21,621 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:02:21,621 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:02:21,628 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 02:02:21,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:02:21,825 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:02:21,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:02:21,826 INFO L85 PathProgramCache]: Analyzing trace with hash -550532567, now seen corresponding path program 1 times [2025-01-10 02:02:21,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:02:21,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384647117] [2025-01-10 02:02:21,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:02:21,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:02:21,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-01-10 02:02:21,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-01-10 02:02:21,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:02:21,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:02:21,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1374652563] [2025-01-10 02:02:21,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:02:21,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:02:21,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:02:21,837 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 02:02:21,838 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 02:02:21,857 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-01-10 02:02:21,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-01-10 02:02:21,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:02:21,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:02:21,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:02:21,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:02:21,931 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-10 02:02:21,931 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:02:21,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:02:21,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384647117] [2025-01-10 02:02:21,931 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:02:21,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374652563] [2025-01-10 02:02:21,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374652563] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:02:21,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:02:21,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:02:21,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579462435] [2025-01-10 02:02:21,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:02:21,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:02:21,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:02:21,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:02:21,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:02:21,932 INFO L87 Difference]: Start difference. First operand 399 states and 577 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-01-10 02:02:22,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:02:22,136 INFO L93 Difference]: Finished difference Result 474 states and 665 transitions. [2025-01-10 02:02:22,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:02:22,136 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 58 [2025-01-10 02:02:22,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:02:22,140 INFO L225 Difference]: With dead ends: 474 [2025-01-10 02:02:22,140 INFO L226 Difference]: Without dead ends: 471 [2025-01-10 02:02:22,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:02:22,141 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 209 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:02:22,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 199 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:02:22,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2025-01-10 02:02:22,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 453. [2025-01-10 02:02:22,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 357 states have (on average 1.5658263305322129) internal successors, (559), 404 states have internal predecessors, (559), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-01-10 02:02:22,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 651 transitions. [2025-01-10 02:02:22,176 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 651 transitions. Word has length 58 [2025-01-10 02:02:22,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:02:22,176 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 651 transitions. [2025-01-10 02:02:22,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-01-10 02:02:22,176 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 651 transitions. [2025-01-10 02:02:22,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-01-10 02:02:22,177 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:02:22,177 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:02:22,185 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 02:02:22,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:02:22,377 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:02:22,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:02:22,378 INFO L85 PathProgramCache]: Analyzing trace with hash 113359703, now seen corresponding path program 1 times [2025-01-10 02:02:22,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:02:22,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358684541] [2025-01-10 02:02:22,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:02:22,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:02:22,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-10 02:02:22,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-10 02:02:22,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:02:22,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:02:22,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2034709870] [2025-01-10 02:02:22,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:02:22,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:02:22,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:02:22,390 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 02:02:22,391 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 02:02:22,414 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-10 02:02:22,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-10 02:02:22,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:02:22,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:02:22,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:02:22,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:02:22,521 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-10 02:02:22,521 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:02:22,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:02:22,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358684541] [2025-01-10 02:02:22,521 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:02:22,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034709870] [2025-01-10 02:02:22,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034709870] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:02:22,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:02:22,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:02:22,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450033551] [2025-01-10 02:02:22,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:02:22,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:02:22,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:02:22,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:02:22,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:02:22,523 INFO L87 Difference]: Start difference. First operand 453 states and 651 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-01-10 02:02:22,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:02:22,838 INFO L93 Difference]: Finished difference Result 472 states and 659 transitions. [2025-01-10 02:02:22,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:02:22,839 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 59 [2025-01-10 02:02:22,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:02:22,840 INFO L225 Difference]: With dead ends: 472 [2025-01-10 02:02:22,840 INFO L226 Difference]: Without dead ends: 471 [2025-01-10 02:02:22,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:02:22,841 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 193 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:02:22,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 270 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:02:22,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2025-01-10 02:02:22,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 453. [2025-01-10 02:02:22,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 357 states have (on average 1.5602240896358543) internal successors, (557), 404 states have internal predecessors, (557), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-01-10 02:02:22,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 649 transitions. [2025-01-10 02:02:22,885 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 649 transitions. Word has length 59 [2025-01-10 02:02:22,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:02:22,885 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 649 transitions. [2025-01-10 02:02:22,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-01-10 02:02:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 649 transitions. [2025-01-10 02:02:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-01-10 02:02:22,886 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:02:22,886 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:02:22,892 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 02:02:23,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-01-10 02:02:23,087 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-01-10 02:02:23,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:02:23,087 INFO L85 PathProgramCache]: Analyzing trace with hash -545486096, now seen corresponding path program 1 times [2025-01-10 02:02:23,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:02:23,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846698525] [2025-01-10 02:02:23,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:02:23,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms