./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.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/mannadiv_valuebound100.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 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:17:03,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:17:04,051 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:17:04,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:17:04,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:17:04,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:17:04,087 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:17:04,087 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:17:04,087 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:17:04,087 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:17:04,087 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:17:04,087 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:17:04,088 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:17:04,088 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:17:04,088 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:17:04,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:17:04,088 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:17:04,088 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:17:04,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:17:04,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:17:04,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:17:04,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:17:04,089 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:17:04,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:17:04,089 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:17:04,089 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:17:04,089 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:17:04,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:17:04,089 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:17:04,090 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:17:04,090 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:17:04,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:17:04,090 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:17:04,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:17:04,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:17:04,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:17:04,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:17:04,091 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:17:04,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:17:04,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:17:04,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:17:04,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:17:04,091 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:17:04,091 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:17:04,091 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:17:04,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:17:04,092 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:17:04,092 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:17:04,092 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:17:04,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:17:04,092 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 -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2025-01-10 02:17:04,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:17:04,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:17:04,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:17:04,413 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:17:04,413 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:17:04,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c [2025-01-10 02:17:05,755 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/aaf4aede3/01efde2ce0d94e1cb3664b35b7102696/FLAGfd2a95802 [2025-01-10 02:17:06,054 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:17:06,055 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c [2025-01-10 02:17:06,064 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/aaf4aede3/01efde2ce0d94e1cb3664b35b7102696/FLAGfd2a95802 [2025-01-10 02:17:06,329 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/aaf4aede3/01efde2ce0d94e1cb3664b35b7102696 [2025-01-10 02:17:06,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:17:06,334 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:17:06,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:17:06,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:17:06,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:17:06,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:17:06" (1/1) ... [2025-01-10 02:17:06,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e46843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:17:06, skipping insertion in model container [2025-01-10 02:17:06,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:17:06" (1/1) ... [2025-01-10 02:17:06,361 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:17:06,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:17:06,514 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:17:06,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:17:06,541 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:17:06,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:17:06 WrapperNode [2025-01-10 02:17:06,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:17:06,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:17:06,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:17:06,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:17:06,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:17:06" (1/1) ... [2025-01-10 02:17:06,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:17:06" (1/1) ... [2025-01-10 02:17:06,573 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2025-01-10 02:17:06,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:17:06,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:17:06,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:17:06,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:17:06,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:17:06" (1/1) ... [2025-01-10 02:17:06,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:17:06" (1/1) ... [2025-01-10 02:17:06,584 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:17:06" (1/1) ... [2025-01-10 02:17:06,598 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 02:17:06,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:17:06" (1/1) ... [2025-01-10 02:17:06,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:17:06" (1/1) ... [2025-01-10 02:17:06,603 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:17:06" (1/1) ... [2025-01-10 02:17:06,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:17:06" (1/1) ... [2025-01-10 02:17:06,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:17:06" (1/1) ... [2025-01-10 02:17:06,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:17:06" (1/1) ... [2025-01-10 02:17:06,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:17:06" (1/1) ... [2025-01-10 02:17:06,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:17:06,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:17:06,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:17:06,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:17:06,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:17:06" (1/1) ... [2025-01-10 02:17:06,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:17:06,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:06,656 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 02:17:06,664 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 02:17:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:17:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 02:17:06,687 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 02:17:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:17:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:17:06,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:17:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:17:06,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:17:06,739 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:17:06,741 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:17:06,950 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2025-01-10 02:17:06,950 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:17:06,960 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:17:06,961 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 02:17:06,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:17:06 BoogieIcfgContainer [2025-01-10 02:17:06,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:17:06,963 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:17:06,964 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:17:06,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:17:06,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:17:06" (1/3) ... [2025-01-10 02:17:06,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f5fb5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:17:06, skipping insertion in model container [2025-01-10 02:17:06,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:17:06" (2/3) ... [2025-01-10 02:17:06,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76f5fb5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:17:06, skipping insertion in model container [2025-01-10 02:17:06,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:17:06" (3/3) ... [2025-01-10 02:17:06,974 INFO L128 eAbstractionObserver]: Analyzing ICFG mannadiv_valuebound100.c [2025-01-10 02:17:06,992 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:17:06,995 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mannadiv_valuebound100.c that has 3 procedures, 63 locations, 1 initial locations, 1 loop locations, and 20 error locations. [2025-01-10 02:17:07,054 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:17:07,064 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;@261d6d50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:17:07,065 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-01-10 02:17:07,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 36 states have (on average 1.6944444444444444) internal successors, (61), 56 states have internal predecessors, (61), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:17:07,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-01-10 02:17:07,075 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:07,076 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:07,076 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:07,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:07,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1961188309, now seen corresponding path program 1 times [2025-01-10 02:17:07,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:07,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390145984] [2025-01-10 02:17:07,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:07,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:07,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 02:17:07,182 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 02:17:07,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:07,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:07,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 02:17:07,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:07,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390145984] [2025-01-10 02:17:07,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390145984] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:07,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725412982] [2025-01-10 02:17:07,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:07,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:07,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:07,239 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 02:17:07,242 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 02:17:07,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 02:17:07,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 02:17:07,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:07,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:07,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-10 02:17:07,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:07,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 02:17:07,316 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:17:07,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725412982] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:17:07,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:17:07,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-10 02:17:07,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577575342] [2025-01-10 02:17:07,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:17:07,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:17:07,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:07,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:17:07,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:17:07,344 INFO L87 Difference]: Start difference. First operand has 63 states, 36 states have (on average 1.6944444444444444) internal successors, (61), 56 states have internal predecessors, (61), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:17:07,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:07,368 INFO L93 Difference]: Finished difference Result 122 states and 137 transitions. [2025-01-10 02:17:07,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:17:07,370 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2025-01-10 02:17:07,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:07,375 INFO L225 Difference]: With dead ends: 122 [2025-01-10 02:17:07,376 INFO L226 Difference]: Without dead ends: 56 [2025-01-10 02:17:07,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:17:07,381 INFO L435 NwaCegarLoop]: 65 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, 65 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 02:17:07,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:17:07,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2025-01-10 02:17:07,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2025-01-10 02:17:07,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 50 states have internal predecessors, (52), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:17:07,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2025-01-10 02:17:07,419 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 14 [2025-01-10 02:17:07,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:07,420 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2025-01-10 02:17:07,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:17:07,420 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2025-01-10 02:17:07,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-01-10 02:17:07,421 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:07,421 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:07,430 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 02:17:07,624 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 02:17:07,625 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:07,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:07,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1942599019, now seen corresponding path program 1 times [2025-01-10 02:17:07,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:07,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99742927] [2025-01-10 02:17:07,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:07,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:07,631 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 02:17:07,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 02:17:07,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:07,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:17:07,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1910798749] [2025-01-10 02:17:07,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:07,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:07,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:07,661 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 02:17:07,663 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 02:17:07,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 02:17:07,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 02:17:07,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:07,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:07,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:17:07,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:07,736 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:17:07,736 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:17:07,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:07,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99742927] [2025-01-10 02:17:07,738 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:17:07,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1910798749] [2025-01-10 02:17:07,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1910798749] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:17:07,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:17:07,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:17:07,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899463415] [2025-01-10 02:17:07,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:17:07,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:17:07,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:07,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:17:07,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:17:07,742 INFO L87 Difference]: Start difference. First operand 56 states and 58 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 02:17:07,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:07,841 INFO L93 Difference]: Finished difference Result 89 states and 99 transitions. [2025-01-10 02:17:07,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:17:07,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2025-01-10 02:17:07,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:07,844 INFO L225 Difference]: With dead ends: 89 [2025-01-10 02:17:07,844 INFO L226 Difference]: Without dead ends: 83 [2025-01-10 02:17:07,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 02:17:07,847 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 26 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:07,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 74 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:17:07,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2025-01-10 02:17:07,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 75. [2025-01-10 02:17:07,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 49 states have (on average 1.6734693877551021) internal successors, (82), 68 states have internal predecessors, (82), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:17:07,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 90 transitions. [2025-01-10 02:17:07,862 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 90 transitions. Word has length 14 [2025-01-10 02:17:07,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:07,863 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 90 transitions. [2025-01-10 02:17:07,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 02:17:07,863 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 90 transitions. [2025-01-10 02:17:07,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-10 02:17:07,864 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:07,864 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:07,871 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 02:17:08,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:08,068 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:08,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:08,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1473115155, now seen corresponding path program 1 times [2025-01-10 02:17:08,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:08,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394534637] [2025-01-10 02:17:08,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:08,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:08,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 02:17:08,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 02:17:08,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:08,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:08,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:17:08,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:08,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394534637] [2025-01-10 02:17:08,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394534637] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:17:08,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:17:08,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:17:08,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12467497] [2025-01-10 02:17:08,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:17:08,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:17:08,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:08,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:17:08,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:17:08,202 INFO L87 Difference]: Start difference. First operand 75 states and 90 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 02:17:08,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:08,304 INFO L93 Difference]: Finished difference Result 117 states and 149 transitions. [2025-01-10 02:17:08,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:17:08,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2025-01-10 02:17:08,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:08,306 INFO L225 Difference]: With dead ends: 117 [2025-01-10 02:17:08,307 INFO L226 Difference]: Without dead ends: 110 [2025-01-10 02:17:08,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:17:08,308 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 33 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:08,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 71 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:17:08,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2025-01-10 02:17:08,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2025-01-10 02:17:08,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 78 states have (on average 1.5897435897435896) internal successors, (124), 97 states have internal predecessors, (124), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:17:08,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 136 transitions. [2025-01-10 02:17:08,320 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 136 transitions. Word has length 16 [2025-01-10 02:17:08,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:08,321 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 136 transitions. [2025-01-10 02:17:08,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 02:17:08,321 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 136 transitions. [2025-01-10 02:17:08,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-01-10 02:17:08,322 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:08,322 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:08,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 02:17:08,322 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:08,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:08,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1578070497, now seen corresponding path program 1 times [2025-01-10 02:17:08,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:08,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646335244] [2025-01-10 02:17:08,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:08,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:08,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-10 02:17:08,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-10 02:17:08,351 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:08,351 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:08,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:17:08,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:08,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646335244] [2025-01-10 02:17:08,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646335244] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:17:08,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:17:08,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:17:08,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33541386] [2025-01-10 02:17:08,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:17:08,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:17:08,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:08,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:17:08,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:17:08,441 INFO L87 Difference]: Start difference. First operand 106 states and 136 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 02:17:08,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:08,518 INFO L93 Difference]: Finished difference Result 112 states and 137 transitions. [2025-01-10 02:17:08,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:17:08,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2025-01-10 02:17:08,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:08,520 INFO L225 Difference]: With dead ends: 112 [2025-01-10 02:17:08,520 INFO L226 Difference]: Without dead ends: 103 [2025-01-10 02:17:08,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:17:08,521 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 31 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:08,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 75 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:17:08,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2025-01-10 02:17:08,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2025-01-10 02:17:08,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 73 states have (on average 1.5616438356164384) internal successors, (114), 92 states have internal predecessors, (114), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:17:08,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 126 transitions. [2025-01-10 02:17:08,546 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 126 transitions. Word has length 17 [2025-01-10 02:17:08,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:08,546 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 126 transitions. [2025-01-10 02:17:08,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 02:17:08,546 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 126 transitions. [2025-01-10 02:17:08,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-01-10 02:17:08,547 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:08,547 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:08,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 02:17:08,547 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:08,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:08,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1675545199, now seen corresponding path program 1 times [2025-01-10 02:17:08,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:08,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034541152] [2025-01-10 02:17:08,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:08,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:08,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 02:17:08,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 02:17:08,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:08,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 02:17:08,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:08,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034541152] [2025-01-10 02:17:08,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034541152] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:08,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153026908] [2025-01-10 02:17:08,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:08,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:08,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:08,736 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 02:17:08,739 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 02:17:08,763 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 02:17:08,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 02:17:08,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:08,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:08,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:17:08,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:08,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:17:08,897 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:17:08,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153026908] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:17:08,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:17:08,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-10 02:17:08,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526078834] [2025-01-10 02:17:08,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:17:08,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:17:08,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:08,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:17:08,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:17:08,899 INFO L87 Difference]: Start difference. First operand 101 states and 126 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 02:17:09,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:09,028 INFO L93 Difference]: Finished difference Result 104 states and 130 transitions. [2025-01-10 02:17:09,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:17:09,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2025-01-10 02:17:09,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:09,029 INFO L225 Difference]: With dead ends: 104 [2025-01-10 02:17:09,030 INFO L226 Difference]: Without dead ends: 103 [2025-01-10 02:17:09,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:17:09,030 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 70 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:09,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 62 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:17:09,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2025-01-10 02:17:09,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2025-01-10 02:17:09,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 73 states have (on average 1.547945205479452) internal successors, (113), 92 states have internal predecessors, (113), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:17:09,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 125 transitions. [2025-01-10 02:17:09,048 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 125 transitions. Word has length 18 [2025-01-10 02:17:09,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:09,052 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 125 transitions. [2025-01-10 02:17:09,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 02:17:09,052 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 125 transitions. [2025-01-10 02:17:09,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-01-10 02:17:09,053 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:09,053 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:09,061 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 02:17:09,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:09,254 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:09,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:09,254 INFO L85 PathProgramCache]: Analyzing trace with hash 402293667, now seen corresponding path program 1 times [2025-01-10 02:17:09,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:09,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932650409] [2025-01-10 02:17:09,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:09,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:09,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 02:17:09,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 02:17:09,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:09,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:17:09,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [70859300] [2025-01-10 02:17:09,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:09,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:09,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:09,267 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 02:17:09,272 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 02:17:09,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 02:17:09,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 02:17:09,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:09,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:09,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:17:09,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:09,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:17:09,380 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:17:09,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:09,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932650409] [2025-01-10 02:17:09,381 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:17:09,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70859300] [2025-01-10 02:17:09,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70859300] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:17:09,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:17:09,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:17:09,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219229957] [2025-01-10 02:17:09,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:17:09,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:17:09,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:09,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:17:09,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:17:09,382 INFO L87 Difference]: Start difference. First operand 101 states and 125 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 02:17:09,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:09,479 INFO L93 Difference]: Finished difference Result 102 states and 125 transitions. [2025-01-10 02:17:09,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:17:09,480 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2025-01-10 02:17:09,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:09,481 INFO L225 Difference]: With dead ends: 102 [2025-01-10 02:17:09,481 INFO L226 Difference]: Without dead ends: 101 [2025-01-10 02:17:09,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 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 02:17:09,482 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 63 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:09,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 67 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:17:09,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2025-01-10 02:17:09,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2025-01-10 02:17:09,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 73 states have (on average 1.5342465753424657) internal successors, (112), 92 states have internal predecessors, (112), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:17:09,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 124 transitions. [2025-01-10 02:17:09,492 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 124 transitions. Word has length 19 [2025-01-10 02:17:09,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:09,492 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 124 transitions. [2025-01-10 02:17:09,492 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 02:17:09,493 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2025-01-10 02:17:09,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-01-10 02:17:09,493 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:09,493 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:09,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 02:17:09,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-01-10 02:17:09,694 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:09,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:09,695 INFO L85 PathProgramCache]: Analyzing trace with hash 458336055, now seen corresponding path program 1 times [2025-01-10 02:17:09,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:09,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508613444] [2025-01-10 02:17:09,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:09,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:09,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:17:09,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:17:09,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:09,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:09,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 02:17:09,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:09,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508613444] [2025-01-10 02:17:09,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508613444] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:09,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549744727] [2025-01-10 02:17:09,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:09,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:09,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:09,835 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 02:17:09,837 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 02:17:09,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:17:09,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:17:09,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:09,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:09,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 02:17:09,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:09,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 02:17:09,926 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:10,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 02:17:10,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549744727] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:17:10,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:17:10,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2025-01-10 02:17:10,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163347324] [2025-01-10 02:17:10,028 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:10,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:17:10,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:10,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:17:10,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:17:10,030 INFO L87 Difference]: Start difference. First operand 101 states and 124 transitions. Second operand has 9 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-01-10 02:17:10,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:10,147 INFO L93 Difference]: Finished difference Result 152 states and 189 transitions. [2025-01-10 02:17:10,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:17:10,148 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 31 [2025-01-10 02:17:10,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:10,150 INFO L225 Difference]: With dead ends: 152 [2025-01-10 02:17:10,151 INFO L226 Difference]: Without dead ends: 150 [2025-01-10 02:17:10,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:17:10,152 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 120 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:10,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 236 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:17:10,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2025-01-10 02:17:10,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 140. [2025-01-10 02:17:10,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 110 states have (on average 1.5272727272727273) internal successors, (168), 129 states have internal predecessors, (168), 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 02:17:10,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 184 transitions. [2025-01-10 02:17:10,165 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 184 transitions. Word has length 31 [2025-01-10 02:17:10,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:10,166 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 184 transitions. [2025-01-10 02:17:10,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-01-10 02:17:10,166 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 184 transitions. [2025-01-10 02:17:10,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-10 02:17:10,167 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:10,167 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:10,175 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 02:17:10,367 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 02:17:10,368 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:10,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:10,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1323515888, now seen corresponding path program 1 times [2025-01-10 02:17:10,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:10,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791098737] [2025-01-10 02:17:10,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:10,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:10,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:17:10,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:17:10,378 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:10,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:10,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:17:10,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:10,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791098737] [2025-01-10 02:17:10,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791098737] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:17:10,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:17:10,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:17:10,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834301346] [2025-01-10 02:17:10,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:17:10,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:17:10,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:10,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:17:10,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:17:10,415 INFO L87 Difference]: Start difference. First operand 140 states and 184 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:17:10,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:10,475 INFO L93 Difference]: Finished difference Result 140 states and 184 transitions. [2025-01-10 02:17:10,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:17:10,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2025-01-10 02:17:10,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:10,477 INFO L225 Difference]: With dead ends: 140 [2025-01-10 02:17:10,477 INFO L226 Difference]: Without dead ends: 138 [2025-01-10 02:17:10,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:17:10,478 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 56 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:10,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 72 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:17:10,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2025-01-10 02:17:10,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2025-01-10 02:17:10,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 110 states have (on average 1.481818181818182) internal successors, (163), 127 states have internal predecessors, (163), 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 02:17:10,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 179 transitions. [2025-01-10 02:17:10,488 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 179 transitions. Word has length 32 [2025-01-10 02:17:10,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:10,488 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 179 transitions. [2025-01-10 02:17:10,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:17:10,489 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 179 transitions. [2025-01-10 02:17:10,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-01-10 02:17:10,489 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:10,489 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:10,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 02:17:10,490 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:10,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:10,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1920680392, now seen corresponding path program 1 times [2025-01-10 02:17:10,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:10,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301411738] [2025-01-10 02:17:10,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:10,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:10,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-10 02:17:10,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-10 02:17:10,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:10,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:17:10,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1227909541] [2025-01-10 02:17:10,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:10,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:10,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:10,508 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 02:17:10,510 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 02:17:10,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-10 02:17:10,546 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-10 02:17:10,547 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:10,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:10,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:17:10,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:10,699 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:17:10,699 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:10,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:10,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301411738] [2025-01-10 02:17:10,918 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:17:10,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227909541] [2025-01-10 02:17:10,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227909541] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:10,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:17:10,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-01-10 02:17:10,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595277171] [2025-01-10 02:17:10,919 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:10,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:17:10,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:10,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:17:10,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:17:10,920 INFO L87 Difference]: Start difference. First operand 138 states and 179 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:17:11,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:11,071 INFO L93 Difference]: Finished difference Result 145 states and 182 transitions. [2025-01-10 02:17:11,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:17:11,072 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2025-01-10 02:17:11,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:11,073 INFO L225 Difference]: With dead ends: 145 [2025-01-10 02:17:11,073 INFO L226 Difference]: Without dead ends: 138 [2025-01-10 02:17:11,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:17:11,074 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 50 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:11,074 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 51 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:17:11,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2025-01-10 02:17:11,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 134. [2025-01-10 02:17:11,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 111 states have (on average 1.3603603603603605) internal successors, (151), 123 states have internal predecessors, (151), 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 02:17:11,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 167 transitions. [2025-01-10 02:17:11,091 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 167 transitions. Word has length 33 [2025-01-10 02:17:11,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:11,091 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 167 transitions. [2025-01-10 02:17:11,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:17:11,092 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 167 transitions. [2025-01-10 02:17:11,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-01-10 02:17:11,093 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:11,093 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 02:17:11,102 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 02:17:11,294 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,SelfDestructingSolverStorable8 [2025-01-10 02:17:11,295 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:11,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:11,296 INFO L85 PathProgramCache]: Analyzing trace with hash 588450034, now seen corresponding path program 1 times [2025-01-10 02:17:11,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:11,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290366465] [2025-01-10 02:17:11,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:11,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:11,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 02:17:11,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:17:11,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:11,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:17:11,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [478675802] [2025-01-10 02:17:11,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:11,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:11,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:11,316 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 02:17:11,318 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 02:17:11,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 02:17:11,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:17:11,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:11,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:11,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:17:11,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:11,488 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:17:11,489 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:11,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:11,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290366465] [2025-01-10 02:17:11,695 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:17:11,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478675802] [2025-01-10 02:17:11,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478675802] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:11,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:17:11,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-01-10 02:17:11,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890481911] [2025-01-10 02:17:11,696 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:11,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:17:11,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:11,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:17:11,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:17:11,697 INFO L87 Difference]: Start difference. First operand 134 states and 167 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:17:11,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:11,855 INFO L93 Difference]: Finished difference Result 180 states and 223 transitions. [2025-01-10 02:17:11,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:17:11,855 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2025-01-10 02:17:11,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:11,857 INFO L225 Difference]: With dead ends: 180 [2025-01-10 02:17:11,857 INFO L226 Difference]: Without dead ends: 177 [2025-01-10 02:17:11,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:17:11,857 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 63 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:11,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 102 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:17:11,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2025-01-10 02:17:11,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 169. [2025-01-10 02:17:11,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 144 states have (on average 1.3472222222222223) internal successors, (194), 156 states have internal predecessors, (194), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 02:17:11,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 214 transitions. [2025-01-10 02:17:11,870 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 214 transitions. Word has length 34 [2025-01-10 02:17:11,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:11,871 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 214 transitions. [2025-01-10 02:17:11,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:17:11,872 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 214 transitions. [2025-01-10 02:17:11,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-01-10 02:17:11,873 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:11,873 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:11,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-10 02:17:12,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:12,077 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:12,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:12,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1891242928, now seen corresponding path program 1 times [2025-01-10 02:17:12,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:12,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007512690] [2025-01-10 02:17:12,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:12,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:12,083 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 02:17:12,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 02:17:12,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:12,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:12,156 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:17:12,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:12,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007512690] [2025-01-10 02:17:12,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007512690] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:12,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722064557] [2025-01-10 02:17:12,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:12,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:12,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:12,159 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 02:17:12,162 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 02:17:12,183 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 02:17:12,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 02:17:12,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:12,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:12,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:17:12,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:12,301 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:17:12,301 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:17:12,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722064557] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:17:12,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:17:12,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-01-10 02:17:12,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550341436] [2025-01-10 02:17:12,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:17:12,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:17:12,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:12,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:17:12,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:17:12,303 INFO L87 Difference]: Start difference. First operand 169 states and 214 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:17:12,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:12,384 INFO L93 Difference]: Finished difference Result 169 states and 214 transitions. [2025-01-10 02:17:12,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:17:12,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2025-01-10 02:17:12,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:12,386 INFO L225 Difference]: With dead ends: 169 [2025-01-10 02:17:12,386 INFO L226 Difference]: Without dead ends: 167 [2025-01-10 02:17:12,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:17:12,387 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 24 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 51 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 02:17:12,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 51 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:17:12,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2025-01-10 02:17:12,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2025-01-10 02:17:12,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 141 states have (on average 1.3333333333333333) internal successors, (188), 151 states have internal predecessors, (188), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 02:17:12,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 208 transitions. [2025-01-10 02:17:12,400 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 208 transitions. Word has length 35 [2025-01-10 02:17:12,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:12,400 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 208 transitions. [2025-01-10 02:17:12,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:17:12,400 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 208 transitions. [2025-01-10 02:17:12,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-01-10 02:17:12,401 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:12,401 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:12,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-10 02:17:12,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:12,603 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:12,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:12,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1501011330, now seen corresponding path program 1 times [2025-01-10 02:17:12,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:12,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636786262] [2025-01-10 02:17:12,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:12,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:12,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-10 02:17:12,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 02:17:12,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:12,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 02:17:12,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:12,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636786262] [2025-01-10 02:17:12,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636786262] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:12,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994058022] [2025-01-10 02:17:12,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:12,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:12,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:12,786 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 02:17:12,788 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 02:17:12,809 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-10 02:17:12,824 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 02:17:12,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:12,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:12,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:17:12,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:12,917 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:17:12,917 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:13,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994058022] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:13,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:17:13,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 3] total 11 [2025-01-10 02:17:13,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136219575] [2025-01-10 02:17:13,043 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:13,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:17:13,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:13,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:17:13,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2025-01-10 02:17:13,044 INFO L87 Difference]: Start difference. First operand 164 states and 208 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-01-10 02:17:13,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:13,525 INFO L93 Difference]: Finished difference Result 176 states and 212 transitions. [2025-01-10 02:17:13,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-10 02:17:13,526 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 36 [2025-01-10 02:17:13,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:13,527 INFO L225 Difference]: With dead ends: 176 [2025-01-10 02:17:13,527 INFO L226 Difference]: Without dead ends: 161 [2025-01-10 02:17:13,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2025-01-10 02:17:13,529 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 102 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:13,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 120 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:17:13,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2025-01-10 02:17:13,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 155. [2025-01-10 02:17:13,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 133 states have (on average 1.263157894736842) internal successors, (168), 142 states have internal predecessors, (168), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 02:17:13,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 188 transitions. [2025-01-10 02:17:13,542 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 188 transitions. Word has length 36 [2025-01-10 02:17:13,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:13,542 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 188 transitions. [2025-01-10 02:17:13,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-01-10 02:17:13,542 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 188 transitions. [2025-01-10 02:17:13,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-01-10 02:17:13,543 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:13,544 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:13,552 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 02:17:13,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:13,744 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:13,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:13,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1541495620, now seen corresponding path program 1 times [2025-01-10 02:17:13,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:13,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833181855] [2025-01-10 02:17:13,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:13,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:13,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:17:13,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:17:13,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:13,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 02:17:13,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:13,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833181855] [2025-01-10 02:17:13,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833181855] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:13,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520372473] [2025-01-10 02:17:13,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:13,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:13,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:13,931 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 02:17:13,933 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 02:17:13,958 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:17:13,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:17:13,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:13,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:13,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 02:17:13,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 02:17:14,083 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:14,285 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 02:17:14,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520372473] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:17:14,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:17:14,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2025-01-10 02:17:14,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004328785] [2025-01-10 02:17:14,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:14,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-10 02:17:14,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:14,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-10 02:17:14,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:17:14,288 INFO L87 Difference]: Start difference. First operand 155 states and 188 transitions. Second operand has 17 states, 16 states have (on average 3.0625) internal successors, (49), 16 states have internal predecessors, (49), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:17:14,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:14,624 INFO L93 Difference]: Finished difference Result 156 states and 188 transitions. [2025-01-10 02:17:14,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 02:17:14,625 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.0625) internal successors, (49), 16 states have internal predecessors, (49), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 37 [2025-01-10 02:17:14,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:14,626 INFO L225 Difference]: With dead ends: 156 [2025-01-10 02:17:14,626 INFO L226 Difference]: Without dead ends: 153 [2025-01-10 02:17:14,627 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 61 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2025-01-10 02:17:14,627 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 99 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:14,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 158 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:17:14,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2025-01-10 02:17:14,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 131. [2025-01-10 02:17:14,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 113 states have (on average 1.2035398230088497) internal successors, (136), 119 states have internal predecessors, (136), 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 02:17:14,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 154 transitions. [2025-01-10 02:17:14,637 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 154 transitions. Word has length 37 [2025-01-10 02:17:14,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:14,637 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 154 transitions. [2025-01-10 02:17:14,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.0625) internal successors, (49), 16 states have internal predecessors, (49), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:17:14,637 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2025-01-10 02:17:14,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 02:17:14,638 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:14,638 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:14,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-10 02:17:14,842 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 02:17:14,842 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:14,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:14,842 INFO L85 PathProgramCache]: Analyzing trace with hash -541723914, now seen corresponding path program 1 times [2025-01-10 02:17:14,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:14,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276453839] [2025-01-10 02:17:14,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:14,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:14,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:17:14,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:17:14,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:14,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:17:14,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1752037267] [2025-01-10 02:17:14,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:14,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:14,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:14,858 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 02:17:14,860 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 02:17:14,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:17:14,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:17:14,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:14,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:14,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 02:17:14,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:15,053 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:17:15,053 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:17:15,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:15,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276453839] [2025-01-10 02:17:15,152 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:17:15,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752037267] [2025-01-10 02:17:15,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752037267] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:17:15,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:17:15,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-01-10 02:17:15,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443222692] [2025-01-10 02:17:15,153 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:15,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:17:15,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:15,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:17:15,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:17:15,154 INFO L87 Difference]: Start difference. First operand 131 states and 154 transitions. Second operand has 11 states, 10 states have (on average 5.0) internal successors, (50), 11 states have internal predecessors, (50), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:17:15,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:15,395 INFO L93 Difference]: Finished difference Result 209 states and 247 transitions. [2025-01-10 02:17:15,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:17:15,395 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.0) internal successors, (50), 11 states have internal predecessors, (50), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 38 [2025-01-10 02:17:15,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:15,396 INFO L225 Difference]: With dead ends: 209 [2025-01-10 02:17:15,396 INFO L226 Difference]: Without dead ends: 145 [2025-01-10 02:17:15,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2025-01-10 02:17:15,397 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 80 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:15,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 81 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:17:15,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2025-01-10 02:17:15,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2025-01-10 02:17:15,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 127 states have (on average 1.1496062992125984) internal successors, (146), 132 states have internal predecessors, (146), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 02:17:15,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 166 transitions. [2025-01-10 02:17:15,416 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 166 transitions. Word has length 38 [2025-01-10 02:17:15,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:15,417 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 166 transitions. [2025-01-10 02:17:15,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.0) internal successors, (50), 11 states have internal predecessors, (50), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:17:15,417 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 166 transitions. [2025-01-10 02:17:15,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-01-10 02:17:15,418 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:15,418 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:15,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-10 02:17:15,623 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 02:17:15,623 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:15,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:15,623 INFO L85 PathProgramCache]: Analyzing trace with hash -277436097, now seen corresponding path program 2 times [2025-01-10 02:17:15,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:15,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467835493] [2025-01-10 02:17:15,624 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:17:15,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:15,629 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 53 statements into 2 equivalence classes. [2025-01-10 02:17:15,640 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:17:15,645 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:17:15,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:17:15,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1738118594] [2025-01-10 02:17:15,646 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:17:15,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:15,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:15,650 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 02:17:15,661 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 02:17:15,679 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 53 statements into 2 equivalence classes. [2025-01-10 02:17:15,695 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:17:15,695 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:17:15,695 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:15,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 02:17:15,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:15,809 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:17:15,809 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:15,980 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:17:15,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:15,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467835493] [2025-01-10 02:17:15,980 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:17:15,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738118594] [2025-01-10 02:17:15,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738118594] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:17:15,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:17:15,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-01-10 02:17:15,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402661460] [2025-01-10 02:17:15,980 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:15,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 02:17:15,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:15,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 02:17:15,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:17:15,981 INFO L87 Difference]: Start difference. First operand 145 states and 166 transitions. Second operand has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-01-10 02:17:16,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:16,330 INFO L93 Difference]: Finished difference Result 295 states and 349 transitions. [2025-01-10 02:17:16,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 02:17:16,331 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 53 [2025-01-10 02:17:16,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:16,332 INFO L225 Difference]: With dead ends: 295 [2025-01-10 02:17:16,332 INFO L226 Difference]: Without dead ends: 284 [2025-01-10 02:17:16,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:17:16,333 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 168 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:16,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 170 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:17:16,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2025-01-10 02:17:16,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 278. [2025-01-10 02:17:16,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 253 states have (on average 1.1541501976284585) internal successors, (292), 257 states have internal predecessors, (292), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-01-10 02:17:16,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 328 transitions. [2025-01-10 02:17:16,357 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 328 transitions. Word has length 53 [2025-01-10 02:17:16,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:16,357 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 328 transitions. [2025-01-10 02:17:16,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.777777777777778) internal successors, (70), 10 states have internal predecessors, (70), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-01-10 02:17:16,357 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 328 transitions. [2025-01-10 02:17:16,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-01-10 02:17:16,359 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:16,359 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:16,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-01-10 02:17:16,559 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 02:17:16,559 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:16,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:16,560 INFO L85 PathProgramCache]: Analyzing trace with hash -66020909, now seen corresponding path program 1 times [2025-01-10 02:17:16,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:16,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640601586] [2025-01-10 02:17:16,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:16,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:16,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-01-10 02:17:16,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-01-10 02:17:16,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:16,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:16,642 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:17:16,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:16,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640601586] [2025-01-10 02:17:16,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640601586] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:16,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60160632] [2025-01-10 02:17:16,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:16,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:16,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:16,645 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 02:17:16,654 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 02:17:16,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-01-10 02:17:16,695 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-01-10 02:17:16,695 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:16,695 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:16,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:17:16,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:16,746 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:17:16,747 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:16,828 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:17:16,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60160632] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:17:16,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:17:16,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-01-10 02:17:16,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980845411] [2025-01-10 02:17:16,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:16,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:17:16,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:16,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:17:16,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:17:16,832 INFO L87 Difference]: Start difference. First operand 278 states and 328 transitions. Second operand has 9 states, 8 states have (on average 12.125) internal successors, (97), 9 states have internal predecessors, (97), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2025-01-10 02:17:16,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:16,966 INFO L93 Difference]: Finished difference Result 768 states and 969 transitions. [2025-01-10 02:17:16,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:17:16,967 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 9 states have internal predecessors, (97), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) Word has length 65 [2025-01-10 02:17:16,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:16,971 INFO L225 Difference]: With dead ends: 768 [2025-01-10 02:17:16,971 INFO L226 Difference]: Without dead ends: 766 [2025-01-10 02:17:16,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:17:16,972 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 14 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:16,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 91 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:17:16,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2025-01-10 02:17:17,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 766. [2025-01-10 02:17:17,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 708 states have (on average 1.1257062146892656) internal successors, (797), 711 states have internal predecessors, (797), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-01-10 02:17:17,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 901 transitions. [2025-01-10 02:17:17,029 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 901 transitions. Word has length 65 [2025-01-10 02:17:17,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:17,029 INFO L471 AbstractCegarLoop]: Abstraction has 766 states and 901 transitions. [2025-01-10 02:17:17,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 9 states have internal predecessors, (97), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2025-01-10 02:17:17,030 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 901 transitions. [2025-01-10 02:17:17,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-10 02:17:17,030 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:17,031 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:17,039 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 02:17:17,231 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 02:17:17,231 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:17,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:17,232 INFO L85 PathProgramCache]: Analyzing trace with hash -757160610, now seen corresponding path program 1 times [2025-01-10 02:17:17,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:17,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054112816] [2025-01-10 02:17:17,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:17,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:17,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-10 02:17:17,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 02:17:17,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:17,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:17,354 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-10 02:17:17,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:17,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054112816] [2025-01-10 02:17:17,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054112816] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:17,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260252171] [2025-01-10 02:17:17,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:17,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:17,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:17,357 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 02:17:17,360 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 02:17:17,384 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-10 02:17:17,400 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 02:17:17,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:17,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:17,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 02:17:17,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:17,475 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-10 02:17:17,475 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:17,546 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 12 proven. 35 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-10 02:17:17,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260252171] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:17:17,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:17:17,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2025-01-10 02:17:17,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498536277] [2025-01-10 02:17:17,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:17,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:17:17,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:17,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:17:17,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:17:17,548 INFO L87 Difference]: Start difference. First operand 766 states and 901 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-01-10 02:17:17,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:17,638 INFO L93 Difference]: Finished difference Result 938 states and 1099 transitions. [2025-01-10 02:17:17,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:17:17,639 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 74 [2025-01-10 02:17:17,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:17,642 INFO L225 Difference]: With dead ends: 938 [2025-01-10 02:17:17,642 INFO L226 Difference]: Without dead ends: 523 [2025-01-10 02:17:17,645 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:17:17,645 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 7 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:17,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 115 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:17:17,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2025-01-10 02:17:17,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 522. [2025-01-10 02:17:17,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 481 states have (on average 1.1081081081081081) internal successors, (533), 484 states have internal predecessors, (533), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-01-10 02:17:17,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 603 transitions. [2025-01-10 02:17:17,674 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 603 transitions. Word has length 74 [2025-01-10 02:17:17,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:17,675 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 603 transitions. [2025-01-10 02:17:17,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-01-10 02:17:17,675 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 603 transitions. [2025-01-10 02:17:17,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-10 02:17:17,676 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:17,676 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:17,683 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 02:17:17,877 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 02:17:17,877 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:17,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:17,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1147254376, now seen corresponding path program 2 times [2025-01-10 02:17:17,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:17,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528439464] [2025-01-10 02:17:17,878 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:17:17,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:17,882 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 74 statements into 2 equivalence classes. [2025-01-10 02:17:17,892 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 02:17:17,893 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:17:17,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:18,138 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 14 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-10 02:17:18,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:18,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528439464] [2025-01-10 02:17:18,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528439464] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:18,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606279374] [2025-01-10 02:17:18,138 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:17:18,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:18,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:18,141 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 02:17:18,143 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 02:17:18,166 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 74 statements into 2 equivalence classes. [2025-01-10 02:17:18,183 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 02:17:18,183 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:17:18,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:18,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 02:17:18,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:18,339 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 6 proven. 49 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-10 02:17:18,340 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:18,537 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 6 proven. 49 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-10 02:17:18,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606279374] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:17:18,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:17:18,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 22 [2025-01-10 02:17:18,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283567178] [2025-01-10 02:17:18,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:18,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-10 02:17:18,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:18,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-10 02:17:18,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=429, Unknown=0, NotChecked=0, Total=506 [2025-01-10 02:17:18,539 INFO L87 Difference]: Start difference. First operand 522 states and 603 transitions. Second operand has 23 states, 22 states have (on average 6.318181818181818) internal successors, (139), 22 states have internal predecessors, (139), 10 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2025-01-10 02:17:20,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:20,014 INFO L93 Difference]: Finished difference Result 760 states and 869 transitions. [2025-01-10 02:17:20,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-01-10 02:17:20,015 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.318181818181818) internal successors, (139), 22 states have internal predecessors, (139), 10 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) Word has length 74 [2025-01-10 02:17:20,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:20,019 INFO L225 Difference]: With dead ends: 760 [2025-01-10 02:17:20,019 INFO L226 Difference]: Without dead ends: 759 [2025-01-10 02:17:20,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 137 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1729 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1258, Invalid=4144, Unknown=0, NotChecked=0, Total=5402 [2025-01-10 02:17:20,022 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 286 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:20,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 169 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:17:20,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2025-01-10 02:17:20,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 521. [2025-01-10 02:17:20,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 481 states have (on average 1.0706860706860706) internal successors, (515), 483 states have internal predecessors, (515), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-01-10 02:17:20,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 585 transitions. [2025-01-10 02:17:20,062 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 585 transitions. Word has length 74 [2025-01-10 02:17:20,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:20,063 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 585 transitions. [2025-01-10 02:17:20,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.318181818181818) internal successors, (139), 22 states have internal predecessors, (139), 10 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2025-01-10 02:17:20,063 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 585 transitions. [2025-01-10 02:17:20,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-01-10 02:17:20,066 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:20,066 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:20,073 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 02:17:20,268 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 02:17:20,269 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:20,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:20,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1754535237, now seen corresponding path program 1 times [2025-01-10 02:17:20,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:20,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467948659] [2025-01-10 02:17:20,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:20,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:20,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-10 02:17:20,280 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-10 02:17:20,281 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:20,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:20,358 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-10 02:17:20,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:20,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467948659] [2025-01-10 02:17:20,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467948659] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:20,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308205389] [2025-01-10 02:17:20,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:20,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:20,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:20,361 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 02:17:20,363 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 02:17:20,388 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-10 02:17:20,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-10 02:17:20,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:20,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:20,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:17:20,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:20,480 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-10 02:17:20,480 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:20,593 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-10 02:17:20,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308205389] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:17:20,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:17:20,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-01-10 02:17:20,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811477231] [2025-01-10 02:17:20,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:20,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:17:20,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:20,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:17:20,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:17:20,595 INFO L87 Difference]: Start difference. First operand 521 states and 585 transitions. Second operand has 11 states, 10 states have (on average 13.1) internal successors, (131), 11 states have internal predecessors, (131), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-01-10 02:17:20,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:20,773 INFO L93 Difference]: Finished difference Result 1248 states and 1417 transitions. [2025-01-10 02:17:20,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:17:20,773 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.1) internal successors, (131), 11 states have internal predecessors, (131), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 87 [2025-01-10 02:17:20,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:20,779 INFO L225 Difference]: With dead ends: 1248 [2025-01-10 02:17:20,779 INFO L226 Difference]: Without dead ends: 1247 [2025-01-10 02:17:20,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:17:20,780 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 92 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:20,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 173 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:17:20,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2025-01-10 02:17:20,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 1239. [2025-01-10 02:17:20,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1239 states, 1151 states have (on average 1.0747176368375326) internal successors, (1237), 1153 states have internal predecessors, (1237), 83 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2025-01-10 02:17:20,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1403 transitions. [2025-01-10 02:17:20,851 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1403 transitions. Word has length 87 [2025-01-10 02:17:20,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:20,851 INFO L471 AbstractCegarLoop]: Abstraction has 1239 states and 1403 transitions. [2025-01-10 02:17:20,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.1) internal successors, (131), 11 states have internal predecessors, (131), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-01-10 02:17:20,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1403 transitions. [2025-01-10 02:17:20,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-01-10 02:17:20,853 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:20,853 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:20,861 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 02:17:21,053 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 02:17:21,054 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:21,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:21,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1738119531, now seen corresponding path program 1 times [2025-01-10 02:17:21,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:21,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911020495] [2025-01-10 02:17:21,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:21,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:21,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-01-10 02:17:21,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-01-10 02:17:21,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:21,069 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:21,140 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-01-10 02:17:21,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:21,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911020495] [2025-01-10 02:17:21,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911020495] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:21,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626218020] [2025-01-10 02:17:21,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:17:21,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:21,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:21,143 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 02:17:21,145 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 02:17:21,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-01-10 02:17:21,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-01-10 02:17:21,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:21,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:21,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:17:21,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:21,282 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 70 proven. 22 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-10 02:17:21,282 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:21,374 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-01-10 02:17:21,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626218020] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:17:21,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:17:21,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2025-01-10 02:17:21,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850561297] [2025-01-10 02:17:21,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:21,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:17:21,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:21,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:17:21,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:17:21,377 INFO L87 Difference]: Start difference. First operand 1239 states and 1403 transitions. Second operand has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 9 states have internal predecessors, (104), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2025-01-10 02:17:21,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:21,544 INFO L93 Difference]: Finished difference Result 1303 states and 1470 transitions. [2025-01-10 02:17:21,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:17:21,544 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 9 states have internal predecessors, (104), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) Word has length 91 [2025-01-10 02:17:21,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:21,550 INFO L225 Difference]: With dead ends: 1303 [2025-01-10 02:17:21,550 INFO L226 Difference]: Without dead ends: 1184 [2025-01-10 02:17:21,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 176 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:17:21,552 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 33 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:21,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 133 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:17:21,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2025-01-10 02:17:21,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 1182. [2025-01-10 02:17:21,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 1097 states have (on average 1.0665451230628988) internal successors, (1170), 1099 states have internal predecessors, (1170), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2025-01-10 02:17:21,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1330 transitions. [2025-01-10 02:17:21,627 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1330 transitions. Word has length 91 [2025-01-10 02:17:21,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:21,627 INFO L471 AbstractCegarLoop]: Abstraction has 1182 states and 1330 transitions. [2025-01-10 02:17:21,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.555555555555555) internal successors, (104), 9 states have internal predecessors, (104), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2025-01-10 02:17:21,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1330 transitions. [2025-01-10 02:17:21,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-01-10 02:17:21,629 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:21,629 INFO L218 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:21,637 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 02:17:21,832 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 02:17:21,833 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:21,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:21,834 INFO L85 PathProgramCache]: Analyzing trace with hash 542944168, now seen corresponding path program 2 times [2025-01-10 02:17:21,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:21,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138882136] [2025-01-10 02:17:21,835 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:17:21,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:21,842 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 110 statements into 2 equivalence classes. [2025-01-10 02:17:21,849 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 110 of 110 statements. [2025-01-10 02:17:21,849 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:17:21,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:21,993 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 40 proven. 96 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-01-10 02:17:21,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:21,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138882136] [2025-01-10 02:17:21,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138882136] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:21,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909889572] [2025-01-10 02:17:21,993 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:17:21,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:21,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:21,996 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 02:17:21,999 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 02:17:22,025 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 110 statements into 2 equivalence classes. [2025-01-10 02:17:22,049 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 110 of 110 statements. [2025-01-10 02:17:22,049 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:17:22,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:22,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 02:17:22,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:22,227 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 51 proven. 85 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-01-10 02:17:22,234 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:22,380 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 51 proven. 85 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-01-10 02:17:22,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909889572] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:17:22,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:17:22,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2025-01-10 02:17:22,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649975224] [2025-01-10 02:17:22,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:22,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:17:22,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:22,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:17:22,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:17:22,382 INFO L87 Difference]: Start difference. First operand 1182 states and 1330 transitions. Second operand has 12 states, 12 states have (on average 11.333333333333334) internal successors, (136), 12 states have internal predecessors, (136), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-01-10 02:17:22,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:22,730 INFO L93 Difference]: Finished difference Result 2651 states and 2990 transitions. [2025-01-10 02:17:22,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 02:17:22,731 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.333333333333334) internal successors, (136), 12 states have internal predecessors, (136), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 110 [2025-01-10 02:17:22,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:22,739 INFO L225 Difference]: With dead ends: 2651 [2025-01-10 02:17:22,739 INFO L226 Difference]: Without dead ends: 1914 [2025-01-10 02:17:22,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 211 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-01-10 02:17:22,743 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 28 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:22,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 239 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:17:22,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2025-01-10 02:17:22,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1394. [2025-01-10 02:17:22,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1295 states have (on average 1.061003861003861) internal successors, (1374), 1297 states have internal predecessors, (1374), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2025-01-10 02:17:22,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1562 transitions. [2025-01-10 02:17:22,840 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1562 transitions. Word has length 110 [2025-01-10 02:17:22,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:22,841 INFO L471 AbstractCegarLoop]: Abstraction has 1394 states and 1562 transitions. [2025-01-10 02:17:22,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.333333333333334) internal successors, (136), 12 states have internal predecessors, (136), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-01-10 02:17:22,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1562 transitions. [2025-01-10 02:17:22,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-01-10 02:17:22,846 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:22,846 INFO L218 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:22,854 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 02:17:23,046 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 02:17:23,047 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:23,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:23,048 INFO L85 PathProgramCache]: Analyzing trace with hash 295863167, now seen corresponding path program 3 times [2025-01-10 02:17:23,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:23,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781478856] [2025-01-10 02:17:23,048 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:17:23,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:23,056 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 129 statements into 7 equivalence classes. [2025-01-10 02:17:23,086 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 129 of 129 statements. [2025-01-10 02:17:23,086 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-01-10 02:17:23,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:17:23,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [973793570] [2025-01-10 02:17:23,090 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:17:23,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:23,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:23,094 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 02:17:23,097 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 02:17:23,131 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 129 statements into 7 equivalence classes. [2025-01-10 02:17:23,149 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 53 of 129 statements. [2025-01-10 02:17:23,149 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-10 02:17:23,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:23,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 02:17:23,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:23,195 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 91 proven. 4 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2025-01-10 02:17:23,196 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:23,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:23,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781478856] [2025-01-10 02:17:23,360 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:17:23,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973793570] [2025-01-10 02:17:23,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973793570] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:23,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:17:23,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-01-10 02:17:23,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491983706] [2025-01-10 02:17:23,360 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:23,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:17:23,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:23,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:17:23,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:17:23,362 INFO L87 Difference]: Start difference. First operand 1394 states and 1562 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:17:23,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:23,496 INFO L93 Difference]: Finished difference Result 1396 states and 1562 transitions. [2025-01-10 02:17:23,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:17:23,497 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 129 [2025-01-10 02:17:23,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:23,503 INFO L225 Difference]: With dead ends: 1396 [2025-01-10 02:17:23,503 INFO L226 Difference]: Without dead ends: 1395 [2025-01-10 02:17:23,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:17:23,505 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 22 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:23,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 73 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:17:23,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2025-01-10 02:17:23,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1394. [2025-01-10 02:17:23,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 1295 states have (on average 1.0586872586872587) internal successors, (1371), 1297 states have internal predecessors, (1371), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2025-01-10 02:17:23,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1559 transitions. [2025-01-10 02:17:23,582 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1559 transitions. Word has length 129 [2025-01-10 02:17:23,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:23,582 INFO L471 AbstractCegarLoop]: Abstraction has 1394 states and 1559 transitions. [2025-01-10 02:17:23,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:17:23,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1559 transitions. [2025-01-10 02:17:23,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-01-10 02:17:23,584 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:23,585 INFO L218 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:23,592 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 02:17:23,788 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 02:17:23,788 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:23,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:23,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1903390687, now seen corresponding path program 3 times [2025-01-10 02:17:23,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:23,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127910894] [2025-01-10 02:17:23,789 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:17:23,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:23,795 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 129 statements into 7 equivalence classes. [2025-01-10 02:17:23,812 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 129 of 129 statements. [2025-01-10 02:17:23,813 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-01-10 02:17:23,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:17:23,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [211164834] [2025-01-10 02:17:23,814 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:17:23,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:23,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:23,816 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 02:17:23,818 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 02:17:23,844 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 129 statements into 7 equivalence classes. [2025-01-10 02:17:23,875 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 110 of 129 statements. [2025-01-10 02:17:23,876 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-10 02:17:23,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:23,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 02:17:23,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:24,057 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 179 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2025-01-10 02:17:24,058 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:24,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:24,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127910894] [2025-01-10 02:17:24,240 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:17:24,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211164834] [2025-01-10 02:17:24,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211164834] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:24,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:17:24,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 02:17:24,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097714893] [2025-01-10 02:17:24,242 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:24,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:17:24,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:24,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:17:24,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:17:24,244 INFO L87 Difference]: Start difference. First operand 1394 states and 1559 transitions. Second operand has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-01-10 02:17:24,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:24,573 INFO L93 Difference]: Finished difference Result 2204 states and 2463 transitions. [2025-01-10 02:17:24,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-10 02:17:24,574 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 129 [2025-01-10 02:17:24,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:24,579 INFO L225 Difference]: With dead ends: 2204 [2025-01-10 02:17:24,580 INFO L226 Difference]: Without dead ends: 1393 [2025-01-10 02:17:24,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2025-01-10 02:17:24,582 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 116 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:24,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 170 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:17:24,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2025-01-10 02:17:24,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1314. [2025-01-10 02:17:24,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1220 states have (on average 1.0557377049180328) internal successors, (1288), 1222 states have internal predecessors, (1288), 89 states have call successors, (89), 2 states have call predecessors, (89), 2 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2025-01-10 02:17:24,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1466 transitions. [2025-01-10 02:17:24,651 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1466 transitions. Word has length 129 [2025-01-10 02:17:24,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:24,652 INFO L471 AbstractCegarLoop]: Abstraction has 1314 states and 1466 transitions. [2025-01-10 02:17:24,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-01-10 02:17:24,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1466 transitions. [2025-01-10 02:17:24,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-01-10 02:17:24,653 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:24,654 INFO L218 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:24,662 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 02:17:24,857 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 02:17:24,858 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:24,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:24,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1172130687, now seen corresponding path program 4 times [2025-01-10 02:17:24,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:24,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635450987] [2025-01-10 02:17:24,859 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:17:24,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:24,865 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 129 statements into 2 equivalence classes. [2025-01-10 02:17:24,883 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 129 of 129 statements. [2025-01-10 02:17:24,884 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 02:17:24,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:17:24,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1387334816] [2025-01-10 02:17:24,885 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:17:24,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:24,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:24,889 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 02:17:24,890 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 02:17:24,918 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 129 statements into 2 equivalence classes. [2025-01-10 02:17:24,948 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 129 of 129 statements. [2025-01-10 02:17:24,949 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 02:17:24,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:24,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-01-10 02:17:24,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:26,567 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-01-10 02:17:26,629 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 22 proven. 210 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-01-10 02:17:26,629 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:26,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:26,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635450987] [2025-01-10 02:17:26,921 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:17:26,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1387334816] [2025-01-10 02:17:26,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1387334816] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:26,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:17:26,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2025-01-10 02:17:26,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609381701] [2025-01-10 02:17:26,922 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:26,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-01-10 02:17:26,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:26,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-01-10 02:17:26,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=737, Unknown=0, NotChecked=0, Total=870 [2025-01-10 02:17:26,923 INFO L87 Difference]: Start difference. First operand 1314 states and 1466 transitions. Second operand has 27 states, 25 states have (on average 4.04) internal successors, (101), 24 states have internal predecessors, (101), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:17:28,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:28,159 INFO L93 Difference]: Finished difference Result 1529 states and 1703 transitions. [2025-01-10 02:17:28,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-10 02:17:28,160 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 4.04) internal successors, (101), 24 states have internal predecessors, (101), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Word has length 129 [2025-01-10 02:17:28,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:28,165 INFO L225 Difference]: With dead ends: 1529 [2025-01-10 02:17:28,166 INFO L226 Difference]: Without dead ends: 1528 [2025-01-10 02:17:28,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=274, Invalid=1532, Unknown=0, NotChecked=0, Total=1806 [2025-01-10 02:17:28,167 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 73 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 1831 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 1835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:28,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 323 Invalid, 1835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1831 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-10 02:17:28,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1528 states. [2025-01-10 02:17:28,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1528 to 1424. [2025-01-10 02:17:28,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1424 states, 1323 states have (on average 1.055177626606198) internal successors, (1396), 1325 states have internal predecessors, (1396), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2025-01-10 02:17:28,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 1588 transitions. [2025-01-10 02:17:28,248 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 1588 transitions. Word has length 129 [2025-01-10 02:17:28,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:28,248 INFO L471 AbstractCegarLoop]: Abstraction has 1424 states and 1588 transitions. [2025-01-10 02:17:28,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 4.04) internal successors, (101), 24 states have internal predecessors, (101), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:17:28,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 1588 transitions. [2025-01-10 02:17:28,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-01-10 02:17:28,250 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:28,250 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:28,258 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 02:17:28,455 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 02:17:28,455 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:28,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:28,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1877042067, now seen corresponding path program 2 times [2025-01-10 02:17:28,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:28,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297189075] [2025-01-10 02:17:28,456 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:17:28,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:28,463 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 141 statements into 2 equivalence classes. [2025-01-10 02:17:28,472 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 141 of 141 statements. [2025-01-10 02:17:28,473 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:17:28,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:28,592 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-01-10 02:17:28,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:28,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297189075] [2025-01-10 02:17:28,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297189075] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:28,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40040473] [2025-01-10 02:17:28,594 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:17:28,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:28,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:28,596 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 02:17:28,598 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 02:17:28,627 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 141 statements into 2 equivalence classes. [2025-01-10 02:17:28,651 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 141 of 141 statements. [2025-01-10 02:17:28,652 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:17:28,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:28,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 02:17:28,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:28,771 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-01-10 02:17:28,771 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:28,969 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-01-10 02:17:28,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40040473] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:17:28,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:17:28,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2025-01-10 02:17:28,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632491352] [2025-01-10 02:17:28,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:28,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-10 02:17:28,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:28,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-10 02:17:28,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:17:28,972 INFO L87 Difference]: Start difference. First operand 1424 states and 1588 transitions. Second operand has 17 states, 16 states have (on average 13.0625) internal successors, (209), 17 states have internal predecessors, (209), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2025-01-10 02:17:29,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:29,248 INFO L93 Difference]: Finished difference Result 2625 states and 3028 transitions. [2025-01-10 02:17:29,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 02:17:29,249 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 13.0625) internal successors, (209), 17 states have internal predecessors, (209), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 141 [2025-01-10 02:17:29,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:29,257 INFO L225 Difference]: With dead ends: 2625 [2025-01-10 02:17:29,257 INFO L226 Difference]: Without dead ends: 2624 [2025-01-10 02:17:29,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:17:29,259 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 20 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:29,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 154 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:17:29,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2025-01-10 02:17:29,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2624. [2025-01-10 02:17:29,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2624 states, 2443 states have (on average 1.0626279164961114) internal successors, (2596), 2445 states have internal predecessors, (2596), 176 states have call successors, (176), 2 states have call predecessors, (176), 2 states have return successors, (176), 176 states have call predecessors, (176), 176 states have call successors, (176) [2025-01-10 02:17:29,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 2948 transitions. [2025-01-10 02:17:29,416 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 2948 transitions. Word has length 141 [2025-01-10 02:17:29,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:29,417 INFO L471 AbstractCegarLoop]: Abstraction has 2624 states and 2948 transitions. [2025-01-10 02:17:29,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 13.0625) internal successors, (209), 17 states have internal predecessors, (209), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2025-01-10 02:17:29,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 2948 transitions. [2025-01-10 02:17:29,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2025-01-10 02:17:29,420 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:29,420 INFO L218 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:29,428 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 02:17:29,620 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 02:17:29,621 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:29,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:29,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1871296996, now seen corresponding path program 5 times [2025-01-10 02:17:29,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:29,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060876292] [2025-01-10 02:17:29,623 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 02:17:29,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:29,630 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 148 statements into 8 equivalence classes. [2025-01-10 02:17:29,649 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 148 of 148 statements. [2025-01-10 02:17:29,650 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-01-10 02:17:29,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:29,798 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 109 proven. 180 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-01-10 02:17:29,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:29,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060876292] [2025-01-10 02:17:29,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060876292] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:29,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587972732] [2025-01-10 02:17:29,799 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 02:17:29,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:29,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:29,801 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 02:17:29,803 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 02:17:29,829 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 148 statements into 8 equivalence classes. [2025-01-10 02:17:29,860 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 148 of 148 statements. [2025-01-10 02:17:29,861 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-01-10 02:17:29,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:29,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:17:29,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:30,060 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 96 proven. 193 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-01-10 02:17:30,061 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:30,244 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 96 proven. 193 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-01-10 02:17:30,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587972732] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:17:30,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:17:30,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 14 [2025-01-10 02:17:30,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505960983] [2025-01-10 02:17:30,245 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:30,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 02:17:30,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:30,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 02:17:30,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2025-01-10 02:17:30,246 INFO L87 Difference]: Start difference. First operand 2624 states and 2948 transitions. Second operand has 14 states, 14 states have (on average 11.785714285714286) internal successors, (165), 14 states have internal predecessors, (165), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2025-01-10 02:17:30,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:30,678 INFO L93 Difference]: Finished difference Result 5773 states and 6498 transitions. [2025-01-10 02:17:30,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 02:17:30,678 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.785714285714286) internal successors, (165), 14 states have internal predecessors, (165), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) Word has length 148 [2025-01-10 02:17:30,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:30,695 INFO L225 Difference]: With dead ends: 5773 [2025-01-10 02:17:30,696 INFO L226 Difference]: Without dead ends: 4196 [2025-01-10 02:17:30,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 285 SyntacticMatches, 7 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:17:30,702 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 29 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:30,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 303 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:17:30,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4196 states. [2025-01-10 02:17:30,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4196 to 2941. [2025-01-10 02:17:30,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2941 states, 2739 states have (on average 1.0580503833515882) internal successors, (2898), 2741 states have internal predecessors, (2898), 197 states have call successors, (197), 2 states have call predecessors, (197), 2 states have return successors, (197), 197 states have call predecessors, (197), 197 states have call successors, (197) [2025-01-10 02:17:30,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2941 states to 2941 states and 3292 transitions. [2025-01-10 02:17:30,884 INFO L78 Accepts]: Start accepts. Automaton has 2941 states and 3292 transitions. Word has length 148 [2025-01-10 02:17:30,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:30,884 INFO L471 AbstractCegarLoop]: Abstraction has 2941 states and 3292 transitions. [2025-01-10 02:17:30,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.785714285714286) internal successors, (165), 14 states have internal predecessors, (165), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2025-01-10 02:17:30,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2941 states and 3292 transitions. [2025-01-10 02:17:30,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-01-10 02:17:30,886 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:30,887 INFO L218 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:30,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-01-10 02:17:31,090 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 02:17:31,091 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:31,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:31,091 INFO L85 PathProgramCache]: Analyzing trace with hash 163531895, now seen corresponding path program 6 times [2025-01-10 02:17:31,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:31,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534949997] [2025-01-10 02:17:31,091 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 02:17:31,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:31,096 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 167 statements into 9 equivalence classes. [2025-01-10 02:17:31,127 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 167 of 167 statements. [2025-01-10 02:17:31,127 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-01-10 02:17:31,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:17:31,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2122567618] [2025-01-10 02:17:31,133 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 02:17:31,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:31,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:31,135 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 02:17:31,137 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 02:17:31,164 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 167 statements into 9 equivalence classes. [2025-01-10 02:17:31,199 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 148 of 167 statements. [2025-01-10 02:17:31,200 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-01-10 02:17:31,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:31,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 02:17:31,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:31,661 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 339 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2025-01-10 02:17:31,661 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:32,039 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 339 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2025-01-10 02:17:32,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:32,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534949997] [2025-01-10 02:17:32,040 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:17:32,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122567618] [2025-01-10 02:17:32,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122567618] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:17:32,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:17:32,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-01-10 02:17:32,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702142457] [2025-01-10 02:17:32,040 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:32,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-10 02:17:32,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:32,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-10 02:17:32,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:17:32,041 INFO L87 Difference]: Start difference. First operand 2941 states and 3292 transitions. Second operand has 16 states, 15 states have (on average 12.266666666666667) internal successors, (184), 16 states have internal predecessors, (184), 11 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2025-01-10 02:17:32,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:32,982 INFO L93 Difference]: Finished difference Result 5211 states and 5840 transitions. [2025-01-10 02:17:32,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-10 02:17:32,982 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 12.266666666666667) internal successors, (184), 16 states have internal predecessors, (184), 11 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) Word has length 167 [2025-01-10 02:17:32,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:32,994 INFO L225 Difference]: With dead ends: 5211 [2025-01-10 02:17:32,995 INFO L226 Difference]: Without dead ends: 5210 [2025-01-10 02:17:32,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=287, Invalid=705, Unknown=0, NotChecked=0, Total=992 [2025-01-10 02:17:32,996 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 205 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:32,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 483 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:17:32,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5210 states. [2025-01-10 02:17:33,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5210 to 5019. [2025-01-10 02:17:33,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5019 states, 4679 states have (on average 1.0553537080572772) internal successors, (4938), 4681 states have internal predecessors, (4938), 335 states have call successors, (335), 2 states have call predecessors, (335), 2 states have return successors, (335), 335 states have call predecessors, (335), 335 states have call successors, (335) [2025-01-10 02:17:33,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5019 states to 5019 states and 5608 transitions. [2025-01-10 02:17:33,278 INFO L78 Accepts]: Start accepts. Automaton has 5019 states and 5608 transitions. Word has length 167 [2025-01-10 02:17:33,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:33,278 INFO L471 AbstractCegarLoop]: Abstraction has 5019 states and 5608 transitions. [2025-01-10 02:17:33,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 12.266666666666667) internal successors, (184), 16 states have internal predecessors, (184), 11 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2025-01-10 02:17:33,279 INFO L276 IsEmpty]: Start isEmpty. Operand 5019 states and 5608 transitions. [2025-01-10 02:17:33,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-01-10 02:17:33,283 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:33,283 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:33,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-01-10 02:17:33,487 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 02:17:33,488 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:33,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:33,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1615237554, now seen corresponding path program 2 times [2025-01-10 02:17:33,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:33,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139899478] [2025-01-10 02:17:33,489 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:17:33,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:33,498 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 182 statements into 2 equivalence classes. [2025-01-10 02:17:33,510 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 182 of 182 statements. [2025-01-10 02:17:33,510 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:17:33,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:33,699 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 524 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-01-10 02:17:33,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:33,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139899478] [2025-01-10 02:17:33,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139899478] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:33,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364890376] [2025-01-10 02:17:33,700 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:17:33,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:33,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:33,702 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 02:17:33,704 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 02:17:33,735 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 182 statements into 2 equivalence classes. [2025-01-10 02:17:33,771 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 182 of 182 statements. [2025-01-10 02:17:33,771 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:17:33,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:33,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 02:17:33,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:33,924 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 524 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-01-10 02:17:33,925 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:34,173 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 524 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-01-10 02:17:34,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364890376] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:17:34,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:17:34,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2025-01-10 02:17:34,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863965132] [2025-01-10 02:17:34,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:34,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-01-10 02:17:34,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:34,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-01-10 02:17:34,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2025-01-10 02:17:34,175 INFO L87 Difference]: Start difference. First operand 5019 states and 5608 transitions. Second operand has 21 states, 20 states have (on average 13.55) internal successors, (271), 21 states have internal predecessors, (271), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2025-01-10 02:17:34,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:34,686 INFO L93 Difference]: Finished difference Result 8144 states and 9128 transitions. [2025-01-10 02:17:34,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-10 02:17:34,687 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 13.55) internal successors, (271), 21 states have internal predecessors, (271), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 182 [2025-01-10 02:17:34,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:34,716 INFO L225 Difference]: With dead ends: 8144 [2025-01-10 02:17:34,716 INFO L226 Difference]: Without dead ends: 8143 [2025-01-10 02:17:34,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2025-01-10 02:17:34,720 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 252 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:34,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 294 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:17:34,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8143 states. [2025-01-10 02:17:35,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8143 to 8125. [2025-01-10 02:17:35,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8125 states, 7577 states have (on average 1.0558268443975187) internal successors, (8000), 7579 states have internal predecessors, (8000), 543 states have call successors, (543), 2 states have call predecessors, (543), 2 states have return successors, (543), 543 states have call predecessors, (543), 543 states have call successors, (543) [2025-01-10 02:17:35,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8125 states to 8125 states and 9086 transitions. [2025-01-10 02:17:35,129 INFO L78 Accepts]: Start accepts. Automaton has 8125 states and 9086 transitions. Word has length 182 [2025-01-10 02:17:35,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:35,130 INFO L471 AbstractCegarLoop]: Abstraction has 8125 states and 9086 transitions. [2025-01-10 02:17:35,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 13.55) internal successors, (271), 21 states have internal predecessors, (271), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2025-01-10 02:17:35,131 INFO L276 IsEmpty]: Start isEmpty. Operand 8125 states and 9086 transitions. [2025-01-10 02:17:35,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2025-01-10 02:17:35,134 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:35,134 INFO L218 NwaCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:35,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-01-10 02:17:35,338 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 02:17:35,338 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:35,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:35,338 INFO L85 PathProgramCache]: Analyzing trace with hash -451694232, now seen corresponding path program 7 times [2025-01-10 02:17:35,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:35,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861559975] [2025-01-10 02:17:35,339 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 02:17:35,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:35,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-01-10 02:17:35,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-01-10 02:17:35,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:35,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:35,597 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 119 proven. 383 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-01-10 02:17:35,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:35,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861559975] [2025-01-10 02:17:35,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861559975] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:35,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136027969] [2025-01-10 02:17:35,598 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 02:17:35,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:35,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:35,600 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 02:17:35,603 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 02:17:35,637 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 186 statements into 1 equivalence classes. [2025-01-10 02:17:35,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 186 of 186 statements. [2025-01-10 02:17:35,671 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:17:35,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:35,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 02:17:35,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:35,941 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 156 proven. 346 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-01-10 02:17:35,942 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:36,189 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 156 proven. 346 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-01-10 02:17:36,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136027969] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:17:36,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:17:36,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 18 [2025-01-10 02:17:36,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973943597] [2025-01-10 02:17:36,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:36,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-10 02:17:36,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:36,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-10 02:17:36,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2025-01-10 02:17:36,193 INFO L87 Difference]: Start difference. First operand 8125 states and 9086 transitions. Second operand has 18 states, 18 states have (on average 12.222222222222221) internal successors, (220), 18 states have internal predecessors, (220), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2025-01-10 02:17:37,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:37,112 INFO L93 Difference]: Finished difference Result 18012 states and 20188 transitions. [2025-01-10 02:17:37,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 02:17:37,113 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 12.222222222222221) internal successors, (220), 18 states have internal predecessors, (220), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 186 [2025-01-10 02:17:37,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:37,153 INFO L225 Difference]: With dead ends: 18012 [2025-01-10 02:17:37,153 INFO L226 Difference]: Without dead ends: 13063 [2025-01-10 02:17:37,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 357 SyntacticMatches, 9 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2025-01-10 02:17:37,166 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 33 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:37,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 381 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:17:37,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13063 states. [2025-01-10 02:17:37,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13063 to 9453. [2025-01-10 02:17:37,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9453 states, 8817 states have (on average 1.0493365090166724) internal successors, (9252), 8819 states have internal predecessors, (9252), 631 states have call successors, (631), 2 states have call predecessors, (631), 2 states have return successors, (631), 631 states have call predecessors, (631), 631 states have call successors, (631) [2025-01-10 02:17:37,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9453 states to 9453 states and 10514 transitions. [2025-01-10 02:17:37,704 INFO L78 Accepts]: Start accepts. Automaton has 9453 states and 10514 transitions. Word has length 186 [2025-01-10 02:17:37,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:37,705 INFO L471 AbstractCegarLoop]: Abstraction has 9453 states and 10514 transitions. [2025-01-10 02:17:37,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 12.222222222222221) internal successors, (220), 18 states have internal predecessors, (220), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2025-01-10 02:17:37,706 INFO L276 IsEmpty]: Start isEmpty. Operand 9453 states and 10514 transitions. [2025-01-10 02:17:37,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-01-10 02:17:37,709 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:37,709 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:37,718 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 02:17:37,913 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 02:17:37,913 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:37,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:37,914 INFO L85 PathProgramCache]: Analyzing trace with hash 576122303, now seen corresponding path program 8 times [2025-01-10 02:17:37,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:37,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141455326] [2025-01-10 02:17:37,914 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:17:37,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:37,920 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 205 statements into 2 equivalence classes. [2025-01-10 02:17:37,934 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 205 of 205 statements. [2025-01-10 02:17:37,934 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:17:37,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:17:37,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1822104090] [2025-01-10 02:17:37,936 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:17:37,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:37,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:37,939 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 02:17:37,942 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 02:17:37,972 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 205 statements into 2 equivalence classes. [2025-01-10 02:17:38,010 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 205 of 205 statements. [2025-01-10 02:17:38,011 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:17:38,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:38,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 02:17:38,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:38,459 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2025-01-10 02:17:38,460 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:38,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:38,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141455326] [2025-01-10 02:17:38,615 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:17:38,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822104090] [2025-01-10 02:17:38,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822104090] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:38,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:17:38,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-01-10 02:17:38,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515458486] [2025-01-10 02:17:38,616 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:38,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 02:17:38,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:38,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 02:17:38,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:17:38,617 INFO L87 Difference]: Start difference. First operand 9453 states and 10514 transitions. Second operand has 10 states, 9 states have (on average 11.11111111111111) internal successors, (100), 10 states have internal predecessors, (100), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-01-10 02:17:39,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:39,153 INFO L93 Difference]: Finished difference Result 9906 states and 11017 transitions. [2025-01-10 02:17:39,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:17:39,153 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.11111111111111) internal successors, (100), 10 states have internal predecessors, (100), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 205 [2025-01-10 02:17:39,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:39,179 INFO L225 Difference]: With dead ends: 9906 [2025-01-10 02:17:39,179 INFO L226 Difference]: Without dead ends: 9905 [2025-01-10 02:17:39,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:17:39,182 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 19 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:39,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 313 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:17:39,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9905 states. [2025-01-10 02:17:39,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9905 to 9683. [2025-01-10 02:17:39,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9683 states, 9032 states have (on average 1.0493799822852081) internal successors, (9478), 9034 states have internal predecessors, (9478), 646 states have call successors, (646), 2 states have call predecessors, (646), 2 states have return successors, (646), 646 states have call predecessors, (646), 646 states have call successors, (646) [2025-01-10 02:17:39,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9683 states to 9683 states and 10770 transitions. [2025-01-10 02:17:39,784 INFO L78 Accepts]: Start accepts. Automaton has 9683 states and 10770 transitions. Word has length 205 [2025-01-10 02:17:39,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:39,784 INFO L471 AbstractCegarLoop]: Abstraction has 9683 states and 10770 transitions. [2025-01-10 02:17:39,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.11111111111111) internal successors, (100), 10 states have internal predecessors, (100), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-01-10 02:17:39,785 INFO L276 IsEmpty]: Start isEmpty. Operand 9683 states and 10770 transitions. [2025-01-10 02:17:39,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2025-01-10 02:17:39,789 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:39,789 INFO L218 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:39,798 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 02:17:39,991 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 02:17:39,992 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:39,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:39,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1357087524, now seen corresponding path program 9 times [2025-01-10 02:17:39,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:39,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663004960] [2025-01-10 02:17:39,993 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:17:39,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:40,003 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 224 statements into 12 equivalence classes. [2025-01-10 02:17:40,035 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 224 of 224 statements. [2025-01-10 02:17:40,035 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-01-10 02:17:40,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:40,610 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 164 proven. 665 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2025-01-10 02:17:40,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:40,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663004960] [2025-01-10 02:17:40,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663004960] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:40,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769580948] [2025-01-10 02:17:40,611 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:17:40,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:40,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:40,613 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 02:17:40,616 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 02:17:40,651 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 224 statements into 12 equivalence classes. [2025-01-10 02:17:40,692 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 129 of 224 statements. [2025-01-10 02:17:40,692 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-01-10 02:17:40,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:40,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 02:17:40,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:41,173 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 0 proven. 570 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2025-01-10 02:17:41,173 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:41,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769580948] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:41,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:17:41,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 9] total 27 [2025-01-10 02:17:41,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104932181] [2025-01-10 02:17:41,384 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:41,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-01-10 02:17:41,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:41,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-01-10 02:17:41,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=774, Unknown=0, NotChecked=0, Total=870 [2025-01-10 02:17:41,385 INFO L87 Difference]: Start difference. First operand 9683 states and 10770 transitions. Second operand has 27 states, 27 states have (on average 9.62962962962963) internal successors, (260), 27 states have internal predecessors, (260), 18 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 18 states have call predecessors, (19), 18 states have call successors, (19) [2025-01-10 02:17:44,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:44,950 INFO L93 Difference]: Finished difference Result 20252 states and 22588 transitions. [2025-01-10 02:17:44,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-01-10 02:17:44,951 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 9.62962962962963) internal successors, (260), 27 states have internal predecessors, (260), 18 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 18 states have call predecessors, (19), 18 states have call successors, (19) Word has length 224 [2025-01-10 02:17:44,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:44,986 INFO L225 Difference]: With dead ends: 20252 [2025-01-10 02:17:44,986 INFO L226 Difference]: Without dead ends: 15148 [2025-01-10 02:17:44,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3982 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1156, Invalid=11726, Unknown=0, NotChecked=0, Total=12882 [2025-01-10 02:17:45,000 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 473 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 4727 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 4775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 4727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:45,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 580 Invalid, 4775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 4727 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-01-10 02:17:45,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15148 states. [2025-01-10 02:17:45,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15148 to 11506. [2025-01-10 02:17:45,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11506 states, 10734 states have (on average 1.0422023476802682) internal successors, (11187), 10736 states have internal predecessors, (11187), 767 states have call successors, (767), 2 states have call predecessors, (767), 2 states have return successors, (767), 767 states have call predecessors, (767), 767 states have call successors, (767) [2025-01-10 02:17:45,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11506 states to 11506 states and 12721 transitions. [2025-01-10 02:17:45,718 INFO L78 Accepts]: Start accepts. Automaton has 11506 states and 12721 transitions. Word has length 224 [2025-01-10 02:17:45,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:45,719 INFO L471 AbstractCegarLoop]: Abstraction has 11506 states and 12721 transitions. [2025-01-10 02:17:45,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.62962962962963) internal successors, (260), 27 states have internal predecessors, (260), 18 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 18 states have call predecessors, (19), 18 states have call successors, (19) [2025-01-10 02:17:45,719 INFO L276 IsEmpty]: Start isEmpty. Operand 11506 states and 12721 transitions. [2025-01-10 02:17:45,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2025-01-10 02:17:45,723 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:45,724 INFO L218 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:45,731 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 02:17:45,928 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 02:17:45,928 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:45,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:45,929 INFO L85 PathProgramCache]: Analyzing trace with hash 362898891, now seen corresponding path program 10 times [2025-01-10 02:17:45,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:45,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16960437] [2025-01-10 02:17:45,929 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:17:45,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:45,938 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 243 statements into 2 equivalence classes. [2025-01-10 02:17:45,960 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 243 of 243 statements. [2025-01-10 02:17:45,960 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 02:17:45,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:17:45,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1635306081] [2025-01-10 02:17:45,961 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:17:45,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:45,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:45,964 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 02:17:45,966 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 02:17:45,995 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 243 statements into 2 equivalence classes. [2025-01-10 02:17:46,048 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 243 of 243 statements. [2025-01-10 02:17:46,049 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 02:17:46,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:46,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 44 conjuncts are in the unsatisfiable core [2025-01-10 02:17:46,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:46,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1202 backedges. 39 proven. 942 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2025-01-10 02:17:46,783 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:46,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:46,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16960437] [2025-01-10 02:17:46,949 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:17:46,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635306081] [2025-01-10 02:17:46,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635306081] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:46,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:17:46,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2025-01-10 02:17:46,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574993317] [2025-01-10 02:17:46,950 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:46,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-10 02:17:46,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:46,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-10 02:17:46,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2025-01-10 02:17:46,951 INFO L87 Difference]: Start difference. First operand 11506 states and 12721 transitions. Second operand has 23 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 23 states have internal predecessors, (171), 12 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2025-01-10 02:17:48,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:48,361 INFO L93 Difference]: Finished difference Result 11959 states and 13222 transitions. [2025-01-10 02:17:48,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-10 02:17:48,362 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 23 states have internal predecessors, (171), 12 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) Word has length 243 [2025-01-10 02:17:48,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:48,386 INFO L225 Difference]: With dead ends: 11959 [2025-01-10 02:17:48,386 INFO L226 Difference]: Without dead ends: 11958 [2025-01-10 02:17:48,391 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=1107, Unknown=0, NotChecked=0, Total=1260 [2025-01-10 02:17:48,392 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 42 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 2782 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 2786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:48,392 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 583 Invalid, 2786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 2782 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 02:17:48,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11958 states. [2025-01-10 02:17:49,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11958 to 11736. [2025-01-10 02:17:49,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11736 states, 10949 states have (on average 1.0422869668462873) internal successors, (11412), 10951 states have internal predecessors, (11412), 782 states have call successors, (782), 2 states have call predecessors, (782), 2 states have return successors, (782), 782 states have call predecessors, (782), 782 states have call successors, (782) [2025-01-10 02:17:49,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11736 states to 11736 states and 12976 transitions. [2025-01-10 02:17:49,290 INFO L78 Accepts]: Start accepts. Automaton has 11736 states and 12976 transitions. Word has length 243 [2025-01-10 02:17:49,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:49,290 INFO L471 AbstractCegarLoop]: Abstraction has 11736 states and 12976 transitions. [2025-01-10 02:17:49,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.7727272727272725) internal successors, (171), 23 states have internal predecessors, (171), 12 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2025-01-10 02:17:49,291 INFO L276 IsEmpty]: Start isEmpty. Operand 11736 states and 12976 transitions. [2025-01-10 02:17:49,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2025-01-10 02:17:49,297 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:49,297 INFO L218 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:49,305 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 02:17:49,497 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 02:17:49,498 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:49,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:49,499 INFO L85 PathProgramCache]: Analyzing trace with hash 903853864, now seen corresponding path program 11 times [2025-01-10 02:17:49,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:49,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659787186] [2025-01-10 02:17:49,499 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 02:17:49,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:49,511 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 262 statements into 14 equivalence classes. [2025-01-10 02:17:49,542 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) and asserted 262 of 262 statements. [2025-01-10 02:17:49,543 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2025-01-10 02:17:49,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:49,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1424 backedges. 334 proven. 774 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2025-01-10 02:17:49,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:49,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659787186] [2025-01-10 02:17:49,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659787186] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:49,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106018723] [2025-01-10 02:17:49,950 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 02:17:49,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:49,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:49,952 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 02:17:49,955 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 02:17:49,994 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 262 statements into 14 equivalence classes. [2025-01-10 02:17:50,053 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) and asserted 262 of 262 statements. [2025-01-10 02:17:50,053 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2025-01-10 02:17:50,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:50,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 02:17:50,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:50,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1424 backedges. 321 proven. 787 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2025-01-10 02:17:50,464 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:50,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1424 backedges. 321 proven. 787 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2025-01-10 02:17:50,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106018723] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:17:50,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:17:50,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 23 [2025-01-10 02:17:50,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299435804] [2025-01-10 02:17:50,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:50,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-10 02:17:50,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:50,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-10 02:17:50,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2025-01-10 02:17:50,780 INFO L87 Difference]: Start difference. First operand 11736 states and 12976 transitions. Second operand has 23 states, 23 states have (on average 12.652173913043478) internal successors, (291), 23 states have internal predecessors, (291), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2025-01-10 02:17:51,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:51,965 INFO L93 Difference]: Finished difference Result 22077 states and 24496 transitions. [2025-01-10 02:17:51,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-10 02:17:51,966 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 12.652173913043478) internal successors, (291), 23 states have internal predecessors, (291), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) Word has length 262 [2025-01-10 02:17:51,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:51,998 INFO L225 Difference]: With dead ends: 22077 [2025-01-10 02:17:51,998 INFO L226 Difference]: Without dead ends: 17128 [2025-01-10 02:17:52,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 504 SyntacticMatches, 13 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=602, Unknown=0, NotChecked=0, Total=812 [2025-01-10 02:17:52,013 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 27 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:52,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 386 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 754 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:17:52,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17128 states. [2025-01-10 02:17:52,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17128 to 13910. [2025-01-10 02:17:52,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13910 states, 12979 states have (on average 1.036905770860621) internal successors, (13458), 12981 states have internal predecessors, (13458), 926 states have call successors, (926), 2 states have call predecessors, (926), 2 states have return successors, (926), 926 states have call predecessors, (926), 926 states have call successors, (926) [2025-01-10 02:17:52,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13910 states to 13910 states and 15310 transitions. [2025-01-10 02:17:52,787 INFO L78 Accepts]: Start accepts. Automaton has 13910 states and 15310 transitions. Word has length 262 [2025-01-10 02:17:52,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:52,788 INFO L471 AbstractCegarLoop]: Abstraction has 13910 states and 15310 transitions. [2025-01-10 02:17:52,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 12.652173913043478) internal successors, (291), 23 states have internal predecessors, (291), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2025-01-10 02:17:52,788 INFO L276 IsEmpty]: Start isEmpty. Operand 13910 states and 15310 transitions. [2025-01-10 02:17:52,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2025-01-10 02:17:52,794 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:52,794 INFO L218 NwaCegarLoop]: trace histogram [15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:52,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-01-10 02:17:52,995 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 02:17:52,995 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:52,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:52,996 INFO L85 PathProgramCache]: Analyzing trace with hash -2003070977, now seen corresponding path program 12 times [2025-01-10 02:17:52,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:52,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54245211] [2025-01-10 02:17:52,996 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 02:17:52,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:53,005 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 281 statements into 15 equivalence classes. [2025-01-10 02:17:53,027 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) and asserted 281 of 281 statements. [2025-01-10 02:17:53,027 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2025-01-10 02:17:53,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:17:53,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [18261136] [2025-01-10 02:17:53,028 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 02:17:53,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:53,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:53,032 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:17:53,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-01-10 02:17:53,070 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 281 statements into 15 equivalence classes. [2025-01-10 02:17:53,215 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) and asserted 262 of 281 statements. [2025-01-10 02:17:53,215 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2025-01-10 02:17:53,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:53,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-10 02:17:53,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:54,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1665 backedges. 0 proven. 1006 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2025-01-10 02:17:54,229 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:54,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:54,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54245211] [2025-01-10 02:17:54,354 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:17:54,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18261136] [2025-01-10 02:17:54,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18261136] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:54,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:17:54,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2025-01-10 02:17:54,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117850021] [2025-01-10 02:17:54,354 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:54,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-10 02:17:54,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:54,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-10 02:17:54,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2025-01-10 02:17:54,357 INFO L87 Difference]: Start difference. First operand 13910 states and 15310 transitions. Second operand has 18 states, 17 states have (on average 7.529411764705882) internal successors, (128), 18 states have internal predecessors, (128), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2025-01-10 02:17:55,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:55,306 INFO L93 Difference]: Finished difference Result 14363 states and 15809 transitions. [2025-01-10 02:17:55,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-10 02:17:55,307 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 7.529411764705882) internal successors, (128), 18 states have internal predecessors, (128), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 281 [2025-01-10 02:17:55,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:55,333 INFO L225 Difference]: With dead ends: 14363 [2025-01-10 02:17:55,333 INFO L226 Difference]: Without dead ends: 14362 [2025-01-10 02:17:55,338 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2025-01-10 02:17:55,338 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 19 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 1307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:55,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 562 Invalid, 1307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1307 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:17:55,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14362 states. [2025-01-10 02:17:56,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14362 to 14000. [2025-01-10 02:17:56,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14000 states, 13063 states have (on average 1.0366684528821863) internal successors, (13542), 13065 states have internal predecessors, (13542), 932 states have call successors, (932), 2 states have call predecessors, (932), 2 states have return successors, (932), 932 states have call predecessors, (932), 932 states have call successors, (932) [2025-01-10 02:17:56,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14000 states to 14000 states and 15406 transitions. [2025-01-10 02:17:56,084 INFO L78 Accepts]: Start accepts. Automaton has 14000 states and 15406 transitions. Word has length 281 [2025-01-10 02:17:56,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:56,084 INFO L471 AbstractCegarLoop]: Abstraction has 14000 states and 15406 transitions. [2025-01-10 02:17:56,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 7.529411764705882) internal successors, (128), 18 states have internal predecessors, (128), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2025-01-10 02:17:56,084 INFO L276 IsEmpty]: Start isEmpty. Operand 14000 states and 15406 transitions. [2025-01-10 02:17:56,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2025-01-10 02:17:56,090 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:56,090 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:56,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-01-10 02:17:56,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-01-10 02:17:56,295 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:17:56,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:56,295 INFO L85 PathProgramCache]: Analyzing trace with hash 168236819, now seen corresponding path program 3 times [2025-01-10 02:17:56,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:56,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789606402] [2025-01-10 02:17:56,296 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:17:56,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:56,303 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 293 statements into 15 equivalence classes. [2025-01-10 02:17:56,338 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 293 of 293 statements. [2025-01-10 02:17:56,339 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-01-10 02:17:56,339 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:56,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1929 backedges. 0 proven. 1505 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2025-01-10 02:17:56,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:56,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789606402] [2025-01-10 02:17:56,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789606402] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:56,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089968312] [2025-01-10 02:17:56,676 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:17:56,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:56,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:56,679 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:17:56,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-01-10 02:17:56,712 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 293 statements into 15 equivalence classes. [2025-01-10 02:17:56,778 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 293 of 293 statements. [2025-01-10 02:17:56,778 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-01-10 02:17:56,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:56,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 02:17:56,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:56,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1929 backedges. 0 proven. 1505 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2025-01-10 02:17:56,992 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:57,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1929 backedges. 0 proven. 1505 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2025-01-10 02:17:57,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089968312] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:17:57,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:17:57,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 32 [2025-01-10 02:17:57,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681372360] [2025-01-10 02:17:57,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:57,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-01-10 02:17:57,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:57,444 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-01-10 02:17:57,445 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2025-01-10 02:17:57,445 INFO L87 Difference]: Start difference. First operand 14000 states and 15406 transitions. Second operand has 33 states, 32 states have (on average 13.53125) internal successors, (433), 33 states have internal predecessors, (433), 32 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 32 states have call predecessors, (33), 32 states have call successors, (33) [2025-01-10 02:17:58,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:58,495 INFO L93 Difference]: Finished difference Result 21201 states and 24030 transitions. [2025-01-10 02:17:58,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-10 02:17:58,496 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 13.53125) internal successors, (433), 33 states have internal predecessors, (433), 32 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 32 states have call predecessors, (33), 32 states have call successors, (33) Word has length 293 [2025-01-10 02:17:58,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:58,525 INFO L225 Difference]: With dead ends: 21201 [2025-01-10 02:17:58,525 INFO L226 Difference]: Without dead ends: 21200 [2025-01-10 02:17:58,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 600 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2025-01-10 02:17:58,533 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 17 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:58,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 211 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:17:58,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21200 states. [2025-01-10 02:17:59,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21200 to 21200. [2025-01-10 02:17:59,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21200 states, 19783 states have (on average 1.047667189000657) internal successors, (20726), 19785 states have internal predecessors, (20726), 1412 states have call successors, (1412), 2 states have call predecessors, (1412), 2 states have return successors, (1412), 1412 states have call predecessors, (1412), 1412 states have call successors, (1412) [2025-01-10 02:17:59,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21200 states to 21200 states and 23550 transitions. [2025-01-10 02:17:59,918 INFO L78 Accepts]: Start accepts. Automaton has 21200 states and 23550 transitions. Word has length 293 [2025-01-10 02:17:59,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:59,918 INFO L471 AbstractCegarLoop]: Abstraction has 21200 states and 23550 transitions. [2025-01-10 02:17:59,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 13.53125) internal successors, (433), 33 states have internal predecessors, (433), 32 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 32 states have call predecessors, (33), 32 states have call successors, (33) [2025-01-10 02:17:59,918 INFO L276 IsEmpty]: Start isEmpty. Operand 21200 states and 23550 transitions. [2025-01-10 02:17:59,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2025-01-10 02:17:59,925 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:59,925 INFO L218 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:59,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-01-10 02:18:00,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-01-10 02:18:00,126 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:18:00,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:00,127 INFO L85 PathProgramCache]: Analyzing trace with hash 460092754, now seen corresponding path program 13 times [2025-01-10 02:18:00,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:00,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176907860] [2025-01-10 02:18:00,127 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 02:18:00,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:00,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 300 statements into 1 equivalence classes. [2025-01-10 02:18:00,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 300 of 300 statements. [2025-01-10 02:18:00,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:00,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:00,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1992336303] [2025-01-10 02:18:00,175 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 02:18:00,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:00,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:00,178 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:00,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-01-10 02:18:00,219 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 300 statements into 1 equivalence classes. [2025-01-10 02:18:00,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 300 of 300 statements. [2025-01-10 02:18:00,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:00,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:00,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 89 conjuncts are in the unsatisfiable core [2025-01-10 02:18:00,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:02,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1829 backedges. 96 proven. 1441 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2025-01-10 02:18:02,775 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:18:03,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:03,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176907860] [2025-01-10 02:18:03,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:03,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992336303] [2025-01-10 02:18:03,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992336303] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:18:03,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:18:03,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2025-01-10 02:18:03,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149706073] [2025-01-10 02:18:03,113 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:18:03,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-01-10 02:18:03,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:03,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-01-10 02:18:03,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1879, Unknown=0, NotChecked=0, Total=2070 [2025-01-10 02:18:03,115 INFO L87 Difference]: Start difference. First operand 21200 states and 23550 transitions. Second operand has 42 states, 41 states have (on average 5.463414634146342) internal successors, (224), 42 states have internal predecessors, (224), 16 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2025-01-10 02:18:07,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:07,089 INFO L93 Difference]: Finished difference Result 34181 states and 37985 transitions. [2025-01-10 02:18:07,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-10 02:18:07,089 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 41 states have (on average 5.463414634146342) internal successors, (224), 42 states have internal predecessors, (224), 16 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 300 [2025-01-10 02:18:07,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:07,122 INFO L225 Difference]: With dead ends: 34181 [2025-01-10 02:18:07,122 INFO L226 Difference]: Without dead ends: 21630 [2025-01-10 02:18:07,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 265 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 649 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=393, Invalid=4437, Unknown=0, NotChecked=0, Total=4830 [2025-01-10 02:18:07,145 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 158 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 7246 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 7269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 7246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:07,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 812 Invalid, 7269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 7246 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2025-01-10 02:18:07,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21630 states. [2025-01-10 02:18:08,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21630 to 21200. [2025-01-10 02:18:08,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21200 states, 19783 states have (on average 1.0474144467472073) internal successors, (20721), 19785 states have internal predecessors, (20721), 1412 states have call successors, (1412), 2 states have call predecessors, (1412), 2 states have return successors, (1412), 1412 states have call predecessors, (1412), 1412 states have call successors, (1412) [2025-01-10 02:18:08,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21200 states to 21200 states and 23545 transitions. [2025-01-10 02:18:08,304 INFO L78 Accepts]: Start accepts. Automaton has 21200 states and 23545 transitions. Word has length 300 [2025-01-10 02:18:08,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:08,305 INFO L471 AbstractCegarLoop]: Abstraction has 21200 states and 23545 transitions. [2025-01-10 02:18:08,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 5.463414634146342) internal successors, (224), 42 states have internal predecessors, (224), 16 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2025-01-10 02:18:08,305 INFO L276 IsEmpty]: Start isEmpty. Operand 21200 states and 23545 transitions. [2025-01-10 02:18:08,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2025-01-10 02:18:08,310 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:08,310 INFO L218 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 12, 12, 12, 12, 12, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:08,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-01-10 02:18:08,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:08,511 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:18:08,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:08,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1476447634, now seen corresponding path program 14 times [2025-01-10 02:18:08,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:08,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472980695] [2025-01-10 02:18:08,511 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:18:08,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:08,519 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 300 statements into 2 equivalence classes. [2025-01-10 02:18:08,537 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 300 of 300 statements. [2025-01-10 02:18:08,537 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:18:08,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:08,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1929759830] [2025-01-10 02:18:08,539 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:18:08,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:08,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:08,541 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:08,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-01-10 02:18:08,576 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 300 statements into 2 equivalence classes. [2025-01-10 02:18:08,631 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 300 of 300 statements. [2025-01-10 02:18:08,631 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:18:08,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:08,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 02:18:08,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:09,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1885 backedges. 0 proven. 1193 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2025-01-10 02:18:09,167 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:18:09,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:09,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472980695] [2025-01-10 02:18:09,285 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:09,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929759830] [2025-01-10 02:18:09,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929759830] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:18:09,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:18:09,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 02:18:09,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153294008] [2025-01-10 02:18:09,285 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:18:09,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:18:09,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:09,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:18:09,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:18:09,286 INFO L87 Difference]: Start difference. First operand 21200 states and 23545 transitions. Second operand has 11 states, 10 states have (on average 11.9) internal successors, (119), 11 states have internal predecessors, (119), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2025-01-10 02:18:10,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:10,314 INFO L93 Difference]: Finished difference Result 21985 states and 24406 transitions. [2025-01-10 02:18:10,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 02:18:10,315 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 11.9) internal successors, (119), 11 states have internal predecessors, (119), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) Word has length 300 [2025-01-10 02:18:10,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:10,342 INFO L225 Difference]: With dead ends: 21985 [2025-01-10 02:18:10,342 INFO L226 Difference]: Without dead ends: 21984 [2025-01-10 02:18:10,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:18:10,348 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 19 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:10,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 323 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:18:10,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21984 states. [2025-01-10 02:18:11,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21984 to 21200. [2025-01-10 02:18:11,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21200 states, 19783 states have (on average 1.0473638982965172) internal successors, (20720), 19785 states have internal predecessors, (20720), 1412 states have call successors, (1412), 2 states have call predecessors, (1412), 2 states have return successors, (1412), 1412 states have call predecessors, (1412), 1412 states have call successors, (1412) [2025-01-10 02:18:11,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21200 states to 21200 states and 23544 transitions. [2025-01-10 02:18:11,300 INFO L78 Accepts]: Start accepts. Automaton has 21200 states and 23544 transitions. Word has length 300 [2025-01-10 02:18:11,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:11,300 INFO L471 AbstractCegarLoop]: Abstraction has 21200 states and 23544 transitions. [2025-01-10 02:18:11,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 11.9) internal successors, (119), 11 states have internal predecessors, (119), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2025-01-10 02:18:11,300 INFO L276 IsEmpty]: Start isEmpty. Operand 21200 states and 23544 transitions. [2025-01-10 02:18:11,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2025-01-10 02:18:11,306 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:11,307 INFO L218 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 13, 13, 13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:11,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-01-10 02:18:11,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-01-10 02:18:11,511 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-01-10 02:18:11,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:11,511 INFO L85 PathProgramCache]: Analyzing trace with hash -571542628, now seen corresponding path program 15 times [2025-01-10 02:18:11,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:11,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810660513] [2025-01-10 02:18:11,511 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:18:11,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:11,520 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 300 statements into 16 equivalence classes. [2025-01-10 02:18:11,545 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) and asserted 300 of 300 statements. [2025-01-10 02:18:11,545 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2025-01-10 02:18:11,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:12,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1925 backedges. 331 proven. 1248 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2025-01-10 02:18:12,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:12,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810660513] [2025-01-10 02:18:12,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810660513] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:18:12,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678206962] [2025-01-10 02:18:12,140 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:18:12,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:12,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:12,142 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:18:12,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-01-10 02:18:12,169 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 300 statements into 16 equivalence classes. [2025-01-10 02:18:12,223 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 167 of 300 statements. [2025-01-10 02:18:12,223 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-10 02:18:12,223 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:12,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 02:18:12,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:12,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1925 backedges. 0 proven. 1109 refuted. 0 times theorem prover too weak. 816 trivial. 0 not checked. [2025-01-10 02:18:12,677 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:18:12,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678206962] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:18:12,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:18:12,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 11] total 33 [2025-01-10 02:18:12,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018329699] [2025-01-10 02:18:12,886 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:18:12,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-01-10 02:18:12,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:12,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-01-10 02:18:12,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=1126, Unknown=0, NotChecked=0, Total=1260 [2025-01-10 02:18:12,887 INFO L87 Difference]: Start difference. First operand 21200 states and 23544 transitions. Second operand has 33 states, 33 states have (on average 10.424242424242424) internal successors, (344), 33 states have internal predecessors, (344), 24 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2025-01-10 02:18:19,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:19,069 INFO L93 Difference]: Finished difference Result 43895 states and 49005 transitions. [2025-01-10 02:18:19,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-01-10 02:18:19,069 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 10.424242424242424) internal successors, (344), 33 states have internal predecessors, (344), 24 states have call successors, (25), 1 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) Word has length 300 [2025-01-10 02:18:19,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:19,136 INFO L225 Difference]: With dead ends: 43895 [2025-01-10 02:18:19,137 INFO L226 Difference]: Without dead ends: 33301 [2025-01-10 02:18:19,169 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7261 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1794, Invalid=20556, Unknown=0, NotChecked=0, Total=22350 [2025-01-10 02:18:19,171 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 556 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 7239 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 7291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 7239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:19,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 692 Invalid, 7291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 7239 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-01-10 02:18:19,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33301 states.