./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.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/prod4br-ll_valuebound5.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 a27e222af80a0e7079fd1845c98cd202d89805160fe537f012a3762f02f5a114 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:18:50,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:18:50,581 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:18:50,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:18:50,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:18:50,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:18:50,607 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:18:50,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:18:50,607 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:18:50,607 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:18:50,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:18:50,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:18:50,608 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:18:50,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:18:50,608 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:18:50,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:18:50,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:18:50,608 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:18:50,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:18:50,609 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:18:50,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:18:50,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:18:50,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:18:50,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:18:50,609 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:18:50,609 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:18:50,609 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:18:50,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:18:50,609 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:18:50,609 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:18:50,610 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:18:50,610 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:18:50,610 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:18:50,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:18:50,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:18:50,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:18:50,611 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:18:50,611 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:18:50,611 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:18:50,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:18:50,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:18:50,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:18:50,611 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:18:50,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:18:50,612 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:18:50,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:18:50,612 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:18:50,612 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:18:50,612 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:18:50,612 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:18:50,612 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 -> a27e222af80a0e7079fd1845c98cd202d89805160fe537f012a3762f02f5a114 [2025-01-10 02:18:50,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:18:50,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:18:50,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:18:50,836 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:18:50,836 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:18:50,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c [2025-01-10 02:18:52,055 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/135523430/b84c7c33670a43a1ad274f21a9483737/FLAGc283fc33d [2025-01-10 02:18:52,240 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:18:52,240 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c [2025-01-10 02:18:52,249 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/135523430/b84c7c33670a43a1ad274f21a9483737/FLAGc283fc33d [2025-01-10 02:18:52,285 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/135523430/b84c7c33670a43a1ad274f21a9483737 [2025-01-10 02:18:52,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:18:52,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:18:52,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:18:52,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:18:52,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:18:52,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:18:52" (1/1) ... [2025-01-10 02:18:52,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9fd6bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:52, skipping insertion in model container [2025-01-10 02:18:52,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:18:52" (1/1) ... [2025-01-10 02:18:52,312 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:18:52,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:18:52,415 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:18:52,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:18:52,441 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:18:52,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:52 WrapperNode [2025-01-10 02:18:52,441 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:18:52,442 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:18:52,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:18:52,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:18:52,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:52" (1/1) ... [2025-01-10 02:18:52,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:52" (1/1) ... [2025-01-10 02:18:52,471 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2025-01-10 02:18:52,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:18:52,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:18:52,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:18:52,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:18:52,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:52" (1/1) ... [2025-01-10 02:18:52,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:52" (1/1) ... [2025-01-10 02:18:52,485 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:52" (1/1) ... [2025-01-10 02:18:52,495 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 02:18:52,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:52" (1/1) ... [2025-01-10 02:18:52,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:52" (1/1) ... [2025-01-10 02:18:52,497 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:52" (1/1) ... [2025-01-10 02:18:52,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:52" (1/1) ... [2025-01-10 02:18:52,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:52" (1/1) ... [2025-01-10 02:18:52,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:52" (1/1) ... [2025-01-10 02:18:52,503 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:52" (1/1) ... [2025-01-10 02:18:52,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:18:52,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:18:52,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:18:52,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:18:52,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:52" (1/1) ... [2025-01-10 02:18:52,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:18:52,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:52,525 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 02:18:52,527 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 02:18:52,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:18:52,542 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 02:18:52,542 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 02:18:52,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:18:52,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:18:52,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:18:52,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:18:52,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:18:52,578 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:18:52,580 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:18:52,818 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2025-01-10 02:18:52,818 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:18:52,826 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:18:52,826 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 02:18:52,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:18:52 BoogieIcfgContainer [2025-01-10 02:18:52,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:18:52,828 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:18:52,828 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:18:52,835 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:18:52,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:18:52" (1/3) ... [2025-01-10 02:18:52,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14be3919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:18:52, skipping insertion in model container [2025-01-10 02:18:52,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:52" (2/3) ... [2025-01-10 02:18:52,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14be3919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:18:52, skipping insertion in model container [2025-01-10 02:18:52,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:18:52" (3/3) ... [2025-01-10 02:18:52,838 INFO L128 eAbstractionObserver]: Analyzing ICFG prod4br-ll_valuebound5.c [2025-01-10 02:18:52,851 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:18:52,853 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG prod4br-ll_valuebound5.c that has 3 procedures, 112 locations, 1 initial locations, 1 loop locations, and 42 error locations. [2025-01-10 02:18:52,905 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:18:52,914 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;@52a1665, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:18:52,915 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2025-01-10 02:18:52,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 61 states have (on average 1.8032786885245902) internal successors, (110), 103 states have internal predecessors, (110), 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 02:18:52,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-01-10 02:18:52,924 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:52,924 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:52,925 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:18:52,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:52,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1808142316, now seen corresponding path program 1 times [2025-01-10 02:18:52,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:52,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792128779] [2025-01-10 02:18:52,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:52,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:52,998 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 02:18:53,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 02:18:53,013 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:53,013 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:53,043 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:18:53,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:53,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792128779] [2025-01-10 02:18:53,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792128779] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:18:53,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584455043] [2025-01-10 02:18:53,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:53,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:53,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:53,048 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 02:18:53,050 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 02:18:53,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 02:18:53,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 02:18:53,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:53,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:53,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-10 02:18:53,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:53,112 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:18:53,112 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:53,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584455043] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:53,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:18:53,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-10 02:18:53,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439665336] [2025-01-10 02:18:53,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:53,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:18:53,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:53,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:18:53,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:18:53,133 INFO L87 Difference]: Start difference. First operand has 112 states, 61 states have (on average 1.8032786885245902) internal successors, (110), 103 states have internal predecessors, (110), 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) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:18:53,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:53,155 INFO L93 Difference]: Finished difference Result 220 states and 245 transitions. [2025-01-10 02:18:53,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:18:53,156 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2025-01-10 02:18:53,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:53,161 INFO L225 Difference]: With dead ends: 220 [2025-01-10 02:18:53,162 INFO L226 Difference]: Without dead ends: 105 [2025-01-10 02:18:53,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 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 02:18:53,167 INFO L435 NwaCegarLoop]: 118 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, 118 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 02:18:53,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:18:53,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2025-01-10 02:18:53,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2025-01-10 02:18:53,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 56 states have (on average 1.8035714285714286) internal successors, (101), 97 states have internal predecessors, (101), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:18:53,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 111 transitions. [2025-01-10 02:18:53,209 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 111 transitions. Word has length 20 [2025-01-10 02:18:53,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:53,210 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 111 transitions. [2025-01-10 02:18:53,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:18:53,211 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 111 transitions. [2025-01-10 02:18:53,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-01-10 02:18:53,212 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:53,212 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:53,220 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 02:18:53,413 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 02:18:53,414 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:18:53,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:53,415 INFO L85 PathProgramCache]: Analyzing trace with hash 395893994, now seen corresponding path program 1 times [2025-01-10 02:18:53,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:53,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481744924] [2025-01-10 02:18:53,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:53,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:53,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 02:18:53,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 02:18:53,434 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:53,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:53,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1883232888] [2025-01-10 02:18:53,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:53,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:53,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:53,437 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 02:18:53,439 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 02:18:53,458 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 02:18:53,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 02:18:53,468 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:53,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:53,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 02:18:53,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:53,566 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:18:53,566 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:18:53,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:53,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481744924] [2025-01-10 02:18:53,703 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:53,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883232888] [2025-01-10 02:18:53,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883232888] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:18:53,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:18:53,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-01-10 02:18:53,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058152976] [2025-01-10 02:18:53,704 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:18:53,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:18:53,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:53,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:18:53,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:18:53,705 INFO L87 Difference]: Start difference. First operand 105 states and 111 transitions. Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:18:54,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:54,083 INFO L93 Difference]: Finished difference Result 142 states and 166 transitions. [2025-01-10 02:18:54,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:18:54,083 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2025-01-10 02:18:54,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:54,084 INFO L225 Difference]: With dead ends: 142 [2025-01-10 02:18:54,084 INFO L226 Difference]: Without dead ends: 133 [2025-01-10 02:18:54,085 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:18:54,085 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 282 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:54,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 206 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:18:54,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2025-01-10 02:18:54,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 126. [2025-01-10 02:18:54,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 77 states have (on average 1.7142857142857142) internal successors, (132), 116 states have internal predecessors, (132), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 02:18:54,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 146 transitions. [2025-01-10 02:18:54,105 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 146 transitions. Word has length 20 [2025-01-10 02:18:54,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:54,106 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 146 transitions. [2025-01-10 02:18:54,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:18:54,106 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2025-01-10 02:18:54,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-01-10 02:18:54,107 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:54,107 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:54,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 02:18:54,307 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 02:18:54,308 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:18:54,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:54,309 INFO L85 PathProgramCache]: Analyzing trace with hash -612188030, now seen corresponding path program 1 times [2025-01-10 02:18:54,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:54,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812329204] [2025-01-10 02:18:54,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:54,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:54,313 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 02:18:54,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 02:18:54,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:54,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:54,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2077932351] [2025-01-10 02:18:54,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:54,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:54,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:54,327 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 02:18:54,329 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 02:18:54,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 02:18:54,361 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 02:18:54,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:54,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:54,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 02:18:54,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:54,493 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:18:54,493 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:54,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:54,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812329204] [2025-01-10 02:18:54,493 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:54,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077932351] [2025-01-10 02:18:54,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077932351] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:54,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:54,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-10 02:18:54,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903978507] [2025-01-10 02:18:54,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:54,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:18:54,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:54,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:18:54,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:18:54,494 INFO L87 Difference]: Start difference. First operand 126 states and 146 transitions. Second operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:18:54,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:54,819 INFO L93 Difference]: Finished difference Result 172 states and 211 transitions. [2025-01-10 02:18:54,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:18:54,819 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 21 [2025-01-10 02:18:54,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:54,820 INFO L225 Difference]: With dead ends: 172 [2025-01-10 02:18:54,820 INFO L226 Difference]: Without dead ends: 155 [2025-01-10 02:18:54,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:18:54,821 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 436 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:54,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 197 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:18:54,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2025-01-10 02:18:54,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 151. [2025-01-10 02:18:54,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 103 states have (on average 1.6310679611650485) internal successors, (168), 140 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 02:18:54,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2025-01-10 02:18:54,836 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 21 [2025-01-10 02:18:54,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:54,836 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2025-01-10 02:18:54,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:18:54,836 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2025-01-10 02:18:54,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-01-10 02:18:54,837 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:54,837 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:54,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 02:18:55,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:55,039 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:18:55,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:55,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1797959700, now seen corresponding path program 1 times [2025-01-10 02:18:55,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:55,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412582614] [2025-01-10 02:18:55,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:55,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:55,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-10 02:18:55,060 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-10 02:18:55,061 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:55,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:55,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1893494716] [2025-01-10 02:18:55,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:55,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:55,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:55,066 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 02:18:55,068 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 02:18:55,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-10 02:18:55,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-10 02:18:55,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:55,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:55,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-10 02:18:55,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:55,179 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:18:55,180 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:18:59,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:59,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412582614] [2025-01-10 02:18:59,309 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:59,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893494716] [2025-01-10 02:18:59,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893494716] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:18:59,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:18:59,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-01-10 02:18:59,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635065201] [2025-01-10 02:18:59,310 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:18:59,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:18:59,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:59,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:18:59,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=67, Unknown=1, NotChecked=0, Total=90 [2025-01-10 02:18:59,311 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:18:59,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:59,517 INFO L93 Difference]: Finished difference Result 158 states and 190 transitions. [2025-01-10 02:18:59,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:18:59,517 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2025-01-10 02:18:59,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:59,519 INFO L225 Difference]: With dead ends: 158 [2025-01-10 02:18:59,529 INFO L226 Difference]: Without dead ends: 157 [2025-01-10 02:18:59,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=30, Invalid=79, Unknown=1, NotChecked=0, Total=110 [2025-01-10 02:18:59,530 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 134 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:59,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 243 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:18:59,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2025-01-10 02:18:59,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 151. [2025-01-10 02:18:59,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 103 states have (on average 1.6213592233009708) internal successors, (167), 140 states have internal predecessors, (167), 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 02:18:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 183 transitions. [2025-01-10 02:18:59,551 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 183 transitions. Word has length 22 [2025-01-10 02:18:59,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:59,551 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 183 transitions. [2025-01-10 02:18:59,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:18:59,551 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 183 transitions. [2025-01-10 02:18:59,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-01-10 02:18:59,552 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:59,552 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:59,560 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 02:18:59,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:59,754 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:18:59,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:59,755 INFO L85 PathProgramCache]: Analyzing trace with hash 97824196, now seen corresponding path program 1 times [2025-01-10 02:18:59,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:59,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222694635] [2025-01-10 02:18:59,755 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:59,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:59,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-10 02:18:59,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 02:18:59,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:59,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:59,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [252343077] [2025-01-10 02:18:59,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:59,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:59,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:59,785 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 02:18:59,788 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 02:18:59,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-10 02:18:59,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 02:18:59,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:59,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:59,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-10 02:18:59,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:59,943 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:18:59,943 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:59,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:59,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222694635] [2025-01-10 02:18:59,943 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:59,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252343077] [2025-01-10 02:18:59,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [252343077] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:59,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:59,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-10 02:18:59,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282934777] [2025-01-10 02:18:59,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:59,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:18:59,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:59,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:18:59,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:18:59,945 INFO L87 Difference]: Start difference. First operand 151 states and 183 transitions. Second operand has 9 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:19:00,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:00,256 INFO L93 Difference]: Finished difference Result 158 states and 189 transitions. [2025-01-10 02:19:00,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 02:19:00,256 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 23 [2025-01-10 02:19:00,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:00,257 INFO L225 Difference]: With dead ends: 158 [2025-01-10 02:19:00,257 INFO L226 Difference]: Without dead ends: 157 [2025-01-10 02:19:00,257 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:19:00,262 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 362 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:00,262 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 235 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:19:00,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2025-01-10 02:19:00,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 151. [2025-01-10 02:19:00,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 103 states have (on average 1.6116504854368932) internal successors, (166), 140 states have internal predecessors, (166), 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 02:19:00,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 182 transitions. [2025-01-10 02:19:00,275 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 182 transitions. Word has length 23 [2025-01-10 02:19:00,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:00,275 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 182 transitions. [2025-01-10 02:19:00,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 7 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:19:00,275 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 182 transitions. [2025-01-10 02:19:00,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-01-10 02:19:00,276 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:00,276 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:00,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-10 02:19:00,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:00,477 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:00,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:00,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1262417170, now seen corresponding path program 1 times [2025-01-10 02:19:00,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:00,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076423688] [2025-01-10 02:19:00,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:00,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:00,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-10 02:19:00,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-10 02:19:00,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:00,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:19:00,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:00,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076423688] [2025-01-10 02:19:00,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076423688] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:00,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:00,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:19:00,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888655144] [2025-01-10 02:19:00,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:00,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:19:00,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:00,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:19:00,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:19:00,543 INFO L87 Difference]: Start difference. First operand 151 states and 182 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:19:00,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:00,808 INFO L93 Difference]: Finished difference Result 219 states and 262 transitions. [2025-01-10 02:19:00,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:19:00,809 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2025-01-10 02:19:00,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:00,810 INFO L225 Difference]: With dead ends: 219 [2025-01-10 02:19:00,810 INFO L226 Difference]: Without dead ends: 218 [2025-01-10 02:19:00,810 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 02:19:00,810 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 59 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:00,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 186 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:19:00,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-01-10 02:19:00,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 168. [2025-01-10 02:19:00,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 119 states have (on average 1.596638655462185) internal successors, (190), 156 states have internal predecessors, (190), 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 02:19:00,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 208 transitions. [2025-01-10 02:19:00,817 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 208 transitions. Word has length 24 [2025-01-10 02:19:00,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:00,817 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 208 transitions. [2025-01-10 02:19:00,817 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:19:00,817 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 208 transitions. [2025-01-10 02:19:00,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-10 02:19:00,817 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:00,818 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:00,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 02:19:00,818 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:00,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:00,818 INFO L85 PathProgramCache]: Analyzing trace with hash -480226554, now seen corresponding path program 1 times [2025-01-10 02:19:00,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:00,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468043085] [2025-01-10 02:19:00,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:00,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:00,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 02:19:00,824 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 02:19:00,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:00,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:00,863 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:19:00,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:00,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468043085] [2025-01-10 02:19:00,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468043085] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:00,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:00,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:19:00,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466767539] [2025-01-10 02:19:00,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:00,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:19:00,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:00,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:19:00,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:19:00,864 INFO L87 Difference]: Start difference. First operand 168 states and 208 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:19:01,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:01,065 INFO L93 Difference]: Finished difference Result 219 states and 260 transitions. [2025-01-10 02:19:01,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:19:01,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2025-01-10 02:19:01,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:01,067 INFO L225 Difference]: With dead ends: 219 [2025-01-10 02:19:01,070 INFO L226 Difference]: Without dead ends: 218 [2025-01-10 02:19:01,071 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 02:19:01,071 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 79 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:01,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 159 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:19:01,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-01-10 02:19:01,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 168. [2025-01-10 02:19:01,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 119 states have (on average 1.5798319327731092) internal successors, (188), 156 states have internal predecessors, (188), 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 02:19:01,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 206 transitions. [2025-01-10 02:19:01,086 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 206 transitions. Word has length 25 [2025-01-10 02:19:01,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:01,086 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 206 transitions. [2025-01-10 02:19:01,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:19:01,086 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 206 transitions. [2025-01-10 02:19:01,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 02:19:01,087 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:01,087 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:01,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-10 02:19:01,087 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:01,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:01,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1738428620, now seen corresponding path program 1 times [2025-01-10 02:19:01,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:01,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513731908] [2025-01-10 02:19:01,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:01,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:01,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:19:01,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:19:01,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:01,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:01,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2078672273] [2025-01-10 02:19:01,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:01,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:01,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:01,132 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 02:19:01,134 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 02:19:01,159 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:19:01,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:19:01,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:01,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:01,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:19:01,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:01,232 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:19:01,232 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:19:01,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:01,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513731908] [2025-01-10 02:19:01,232 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:01,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078672273] [2025-01-10 02:19:01,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078672273] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:01,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:01,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:19:01,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578145730] [2025-01-10 02:19:01,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:01,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:19:01,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:01,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:19:01,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:19:01,233 INFO L87 Difference]: Start difference. First operand 168 states and 206 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 02:19:01,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:01,429 INFO L93 Difference]: Finished difference Result 224 states and 283 transitions. [2025-01-10 02:19:01,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:19:01,430 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 02:19:01,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:01,431 INFO L225 Difference]: With dead ends: 224 [2025-01-10 02:19:01,431 INFO L226 Difference]: Without dead ends: 218 [2025-01-10 02:19:01,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 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 02:19:01,433 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 154 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:01,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 123 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:19:01,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-01-10 02:19:01,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 204. [2025-01-10 02:19:01,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 154 states have (on average 1.577922077922078) internal successors, (243), 191 states have internal predecessors, (243), 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 02:19:01,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 263 transitions. [2025-01-10 02:19:01,453 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 263 transitions. Word has length 38 [2025-01-10 02:19:01,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:01,453 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 263 transitions. [2025-01-10 02:19:01,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 02:19:01,454 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 263 transitions. [2025-01-10 02:19:01,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 02:19:01,460 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:01,460 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:01,466 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 02:19:01,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-01-10 02:19:01,665 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:01,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:01,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1956678772, now seen corresponding path program 1 times [2025-01-10 02:19:01,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:01,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65981265] [2025-01-10 02:19:01,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:01,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:01,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:19:01,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:19:01,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:01,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:01,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [902136788] [2025-01-10 02:19:01,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:01,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:01,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:01,735 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 02:19:01,738 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 02:19:01,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:19:01,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:19:01,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:01,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:01,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:19:01,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:01,812 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:19:01,812 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:19:01,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:01,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65981265] [2025-01-10 02:19:01,812 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:01,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902136788] [2025-01-10 02:19:01,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902136788] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:01,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:01,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:19:01,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330999702] [2025-01-10 02:19:01,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:01,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:19:01,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:01,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:19:01,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:19:01,813 INFO L87 Difference]: Start difference. First operand 204 states and 263 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (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 02:19:01,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:01,957 INFO L93 Difference]: Finished difference Result 242 states and 315 transitions. [2025-01-10 02:19:01,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:19:01,957 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (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 39 [2025-01-10 02:19:01,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:01,958 INFO L225 Difference]: With dead ends: 242 [2025-01-10 02:19:01,958 INFO L226 Difference]: Without dead ends: 239 [2025-01-10 02:19:01,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 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 02:19:01,959 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 145 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:01,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 116 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:19:01,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2025-01-10 02:19:01,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 229. [2025-01-10 02:19:01,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 178 states have (on average 1.5786516853932584) internal successors, (281), 215 states have internal predecessors, (281), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-01-10 02:19:01,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 303 transitions. [2025-01-10 02:19:01,966 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 303 transitions. Word has length 39 [2025-01-10 02:19:01,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:01,966 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 303 transitions. [2025-01-10 02:19:01,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (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 02:19:01,966 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 303 transitions. [2025-01-10 02:19:01,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 02:19:01,966 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:01,966 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:01,972 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 02:19:02,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:02,167 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:02,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:02,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1943287718, now seen corresponding path program 1 times [2025-01-10 02:19:02,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:02,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033054400] [2025-01-10 02:19:02,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:02,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:02,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:19:02,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:19:02,181 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:02,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:02,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1181603527] [2025-01-10 02:19:02,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:02,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:02,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:02,184 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 02:19:02,185 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 02:19:02,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:19:02,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:19:02,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:02,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:02,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:19:02,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:19:02,256 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:19:02,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:02,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033054400] [2025-01-10 02:19:02,256 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:02,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181603527] [2025-01-10 02:19:02,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181603527] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:02,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:02,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:19:02,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512622062] [2025-01-10 02:19:02,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:02,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:19:02,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:02,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:19:02,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:19:02,257 INFO L87 Difference]: Start difference. First operand 229 states and 303 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 02:19:02,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:02,425 INFO L93 Difference]: Finished difference Result 297 states and 403 transitions. [2025-01-10 02:19:02,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:19:02,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 39 [2025-01-10 02:19:02,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:02,426 INFO L225 Difference]: With dead ends: 297 [2025-01-10 02:19:02,426 INFO L226 Difference]: Without dead ends: 291 [2025-01-10 02:19:02,427 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 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 02:19:02,427 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 201 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:02,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 86 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:19:02,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2025-01-10 02:19:02,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 273. [2025-01-10 02:19:02,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 221 states have (on average 1.6108597285067874) internal successors, (356), 258 states have internal predecessors, (356), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:19:02,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 380 transitions. [2025-01-10 02:19:02,435 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 380 transitions. Word has length 39 [2025-01-10 02:19:02,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:02,435 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 380 transitions. [2025-01-10 02:19:02,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 02:19:02,435 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 380 transitions. [2025-01-10 02:19:02,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 02:19:02,435 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:02,435 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:02,441 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 02:19:02,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:02,636 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:02,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:02,636 INFO L85 PathProgramCache]: Analyzing trace with hash 527499895, now seen corresponding path program 1 times [2025-01-10 02:19:02,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:02,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929187945] [2025-01-10 02:19:02,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:02,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:02,639 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:19:02,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:19:02,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:02,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:02,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2000375331] [2025-01-10 02:19:02,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:02,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:02,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:02,652 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 02:19:02,655 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 02:19:02,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:19:02,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:19:02,679 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:02,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:02,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:19:02,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:02,751 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:19:02,751 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:19:02,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:02,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929187945] [2025-01-10 02:19:02,751 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:02,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000375331] [2025-01-10 02:19:02,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000375331] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:02,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:02,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:19:02,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743733858] [2025-01-10 02:19:02,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:02,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:19:02,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:02,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:19:02,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:19:02,752 INFO L87 Difference]: Start difference. First operand 273 states and 380 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (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 02:19:02,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:02,908 INFO L93 Difference]: Finished difference Result 289 states and 392 transitions. [2025-01-10 02:19:02,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:19:02,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (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 40 [2025-01-10 02:19:02,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:02,909 INFO L225 Difference]: With dead ends: 289 [2025-01-10 02:19:02,909 INFO L226 Difference]: Without dead ends: 285 [2025-01-10 02:19:02,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 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 02:19:02,910 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 194 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:02,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 84 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:19:02,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2025-01-10 02:19:02,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 269. [2025-01-10 02:19:02,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 217 states have (on average 1.5852534562211982) internal successors, (344), 254 states have internal predecessors, (344), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:19:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 368 transitions. [2025-01-10 02:19:02,917 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 368 transitions. Word has length 40 [2025-01-10 02:19:02,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:02,917 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 368 transitions. [2025-01-10 02:19:02,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (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 02:19:02,918 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 368 transitions. [2025-01-10 02:19:02,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 02:19:02,918 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:02,918 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:02,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-10 02:19:03,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:03,119 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:03,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:03,119 INFO L85 PathProgramCache]: Analyzing trace with hash 112377206, now seen corresponding path program 1 times [2025-01-10 02:19:03,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:03,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456075558] [2025-01-10 02:19:03,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:03,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:03,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:19:03,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:19:03,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:03,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:03,167 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:19:03,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:03,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456075558] [2025-01-10 02:19:03,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456075558] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:03,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:03,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:19:03,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094778424] [2025-01-10 02:19:03,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:03,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:19:03,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:03,167 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:19:03,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:19:03,168 INFO L87 Difference]: Start difference. First operand 269 states and 368 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (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 02:19:03,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:03,290 INFO L93 Difference]: Finished difference Result 341 states and 453 transitions. [2025-01-10 02:19:03,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:19:03,290 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (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 40 [2025-01-10 02:19:03,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:03,291 INFO L225 Difference]: With dead ends: 341 [2025-01-10 02:19:03,291 INFO L226 Difference]: Without dead ends: 340 [2025-01-10 02:19:03,292 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 02:19:03,292 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 51 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:03,292 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 199 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:19:03,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-01-10 02:19:03,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 279. [2025-01-10 02:19:03,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 227 states have (on average 1.5726872246696035) internal successors, (357), 264 states have internal predecessors, (357), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:19:03,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 381 transitions. [2025-01-10 02:19:03,299 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 381 transitions. Word has length 40 [2025-01-10 02:19:03,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:03,300 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 381 transitions. [2025-01-10 02:19:03,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (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 02:19:03,300 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 381 transitions. [2025-01-10 02:19:03,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-01-10 02:19:03,300 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:03,300 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:03,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-10 02:19:03,300 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:03,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:03,300 INFO L85 PathProgramCache]: Analyzing trace with hash -413203946, now seen corresponding path program 1 times [2025-01-10 02:19:03,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:03,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481439683] [2025-01-10 02:19:03,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:03,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:03,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:19:03,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:19:03,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:03,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:03,377 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:19:03,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:03,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481439683] [2025-01-10 02:19:03,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481439683] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:03,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:03,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 02:19:03,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96954726] [2025-01-10 02:19:03,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:03,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:19:03,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:03,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:19:03,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:19:03,378 INFO L87 Difference]: Start difference. First operand 279 states and 381 transitions. Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 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 02:19:03,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:03,722 INFO L93 Difference]: Finished difference Result 382 states and 544 transitions. [2025-01-10 02:19:03,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:19:03,723 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 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 41 [2025-01-10 02:19:03,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:03,724 INFO L225 Difference]: With dead ends: 382 [2025-01-10 02:19:03,724 INFO L226 Difference]: Without dead ends: 380 [2025-01-10 02:19:03,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:19:03,725 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 477 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:03,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 105 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:19:03,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2025-01-10 02:19:03,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 285. [2025-01-10 02:19:03,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 233 states have (on average 1.5622317596566524) internal successors, (364), 270 states have internal predecessors, (364), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:19:03,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 388 transitions. [2025-01-10 02:19:03,736 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 388 transitions. Word has length 41 [2025-01-10 02:19:03,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:03,736 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 388 transitions. [2025-01-10 02:19:03,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 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 02:19:03,736 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 388 transitions. [2025-01-10 02:19:03,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-01-10 02:19:03,736 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:03,736 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:03,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-10 02:19:03,736 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:03,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:03,738 INFO L85 PathProgramCache]: Analyzing trace with hash -827372330, now seen corresponding path program 1 times [2025-01-10 02:19:03,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:03,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213599902] [2025-01-10 02:19:03,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:03,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:03,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:19:03,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:19:03,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:03,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:03,788 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:19:03,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:03,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213599902] [2025-01-10 02:19:03,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213599902] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:03,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:03,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:19:03,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966036748] [2025-01-10 02:19:03,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:03,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:19:03,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:03,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:19:03,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:19:03,789 INFO L87 Difference]: Start difference. First operand 285 states and 388 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 02:19:03,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:03,896 INFO L93 Difference]: Finished difference Result 341 states and 449 transitions. [2025-01-10 02:19:03,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:19:03,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 41 [2025-01-10 02:19:03,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:03,897 INFO L225 Difference]: With dead ends: 341 [2025-01-10 02:19:03,897 INFO L226 Difference]: Without dead ends: 340 [2025-01-10 02:19:03,898 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 02:19:03,898 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 50 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:03,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 210 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:19:03,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-01-10 02:19:03,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 295. [2025-01-10 02:19:03,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 243 states have (on average 1.5555555555555556) internal successors, (378), 280 states have internal predecessors, (378), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:19:03,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 402 transitions. [2025-01-10 02:19:03,906 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 402 transitions. Word has length 41 [2025-01-10 02:19:03,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:03,906 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 402 transitions. [2025-01-10 02:19:03,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 02:19:03,906 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 402 transitions. [2025-01-10 02:19:03,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-01-10 02:19:03,906 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:03,906 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:03,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-10 02:19:03,906 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:03,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:03,907 INFO L85 PathProgramCache]: Analyzing trace with hash -811273816, now seen corresponding path program 1 times [2025-01-10 02:19:03,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:03,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919724766] [2025-01-10 02:19:03,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:03,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:03,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:19:03,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:19:03,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:03,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:03,945 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:19:03,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:03,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919724766] [2025-01-10 02:19:03,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919724766] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:03,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:03,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:19:03,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348891284] [2025-01-10 02:19:03,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:03,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:19:03,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:03,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:19:03,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:19:03,946 INFO L87 Difference]: Start difference. First operand 295 states and 402 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 02:19:04,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:04,338 INFO L93 Difference]: Finished difference Result 341 states and 447 transitions. [2025-01-10 02:19:04,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:19:04,339 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 41 [2025-01-10 02:19:04,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:04,340 INFO L225 Difference]: With dead ends: 341 [2025-01-10 02:19:04,340 INFO L226 Difference]: Without dead ends: 340 [2025-01-10 02:19:04,340 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 02:19:04,341 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 49 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:04,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 232 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:19:04,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-01-10 02:19:04,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 297. [2025-01-10 02:19:04,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 245 states have (on average 1.5510204081632653) internal successors, (380), 282 states have internal predecessors, (380), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:19:04,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 404 transitions. [2025-01-10 02:19:04,349 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 404 transitions. Word has length 41 [2025-01-10 02:19:04,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:04,349 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 404 transitions. [2025-01-10 02:19:04,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 02:19:04,349 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 404 transitions. [2025-01-10 02:19:04,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-01-10 02:19:04,350 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:04,350 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:04,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-10 02:19:04,350 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:04,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:04,350 INFO L85 PathProgramCache]: Analyzing trace with hash -312219934, now seen corresponding path program 1 times [2025-01-10 02:19:04,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:04,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649958396] [2025-01-10 02:19:04,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:04,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:04,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:19:04,364 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:19:04,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:04,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:04,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [566238298] [2025-01-10 02:19:04,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:04,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:04,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:04,367 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 02:19:04,368 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 02:19:04,387 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-10 02:19:04,397 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-10 02:19:04,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:04,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:04,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 02:19:04,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:04,614 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:19:04,614 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:06,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:06,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649958396] [2025-01-10 02:19:06,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:06,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566238298] [2025-01-10 02:19:06,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566238298] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:06,179 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:06,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 02:19:06,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109287149] [2025-01-10 02:19:06,179 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:06,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:19:06,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:06,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:19:06,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:19:06,180 INFO L87 Difference]: Start difference. First operand 297 states and 404 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:19:06,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:06,580 INFO L93 Difference]: Finished difference Result 419 states and 587 transitions. [2025-01-10 02:19:06,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:19:06,580 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 41 [2025-01-10 02:19:06,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:06,582 INFO L225 Difference]: With dead ends: 419 [2025-01-10 02:19:06,582 INFO L226 Difference]: Without dead ends: 390 [2025-01-10 02:19:06,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2025-01-10 02:19:06,583 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 197 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:06,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 247 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:19:06,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2025-01-10 02:19:06,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 366. [2025-01-10 02:19:06,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 311 states have (on average 1.5144694533762058) internal successors, (471), 348 states have internal predecessors, (471), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:19:06,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 501 transitions. [2025-01-10 02:19:06,593 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 501 transitions. Word has length 41 [2025-01-10 02:19:06,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:06,593 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 501 transitions. [2025-01-10 02:19:06,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:19:06,594 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 501 transitions. [2025-01-10 02:19:06,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-01-10 02:19:06,594 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:06,594 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:06,602 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 02:19:06,798 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,SelfDestructingSolverStorable15 [2025-01-10 02:19:06,798 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:06,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:06,798 INFO L85 PathProgramCache]: Analyzing trace with hash 75579687, now seen corresponding path program 1 times [2025-01-10 02:19:06,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:06,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039914286] [2025-01-10 02:19:06,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:06,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:06,801 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 02:19:06,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 02:19:06,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:06,806 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:06,888 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:19:06,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:06,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039914286] [2025-01-10 02:19:06,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039914286] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:06,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:06,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 02:19:06,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628081832] [2025-01-10 02:19:06,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:06,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:19:06,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:06,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:19:06,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:19:06,890 INFO L87 Difference]: Start difference. First operand 366 states and 501 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 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 02:19:07,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:07,158 INFO L93 Difference]: Finished difference Result 377 states and 513 transitions. [2025-01-10 02:19:07,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:19:07,158 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 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 42 [2025-01-10 02:19:07,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:07,160 INFO L225 Difference]: With dead ends: 377 [2025-01-10 02:19:07,160 INFO L226 Difference]: Without dead ends: 375 [2025-01-10 02:19:07,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:19:07,160 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 382 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:07,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 115 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:19:07,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2025-01-10 02:19:07,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 366. [2025-01-10 02:19:07,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 311 states have (on average 1.504823151125402) internal successors, (468), 348 states have internal predecessors, (468), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:19:07,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 498 transitions. [2025-01-10 02:19:07,171 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 498 transitions. Word has length 42 [2025-01-10 02:19:07,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:07,171 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 498 transitions. [2025-01-10 02:19:07,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 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 02:19:07,172 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 498 transitions. [2025-01-10 02:19:07,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-01-10 02:19:07,172 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:07,172 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:07,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-10 02:19:07,172 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:07,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:07,173 INFO L85 PathProgramCache]: Analyzing trace with hash 121261657, now seen corresponding path program 1 times [2025-01-10 02:19:07,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:07,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749897636] [2025-01-10 02:19:07,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:07,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:07,176 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 02:19:07,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 02:19:07,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:07,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:07,209 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:19:07,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:07,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749897636] [2025-01-10 02:19:07,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749897636] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:07,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:07,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:19:07,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595968851] [2025-01-10 02:19:07,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:07,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:19:07,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:07,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:19:07,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:19:07,211 INFO L87 Difference]: Start difference. First operand 366 states and 498 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:19:07,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:07,434 INFO L93 Difference]: Finished difference Result 400 states and 531 transitions. [2025-01-10 02:19:07,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:19:07,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2025-01-10 02:19:07,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:07,435 INFO L225 Difference]: With dead ends: 400 [2025-01-10 02:19:07,435 INFO L226 Difference]: Without dead ends: 399 [2025-01-10 02:19:07,435 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 02:19:07,436 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 39 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:07,436 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 198 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:19:07,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2025-01-10 02:19:07,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 368. [2025-01-10 02:19:07,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 313 states have (on average 1.5015974440894568) internal successors, (470), 350 states have internal predecessors, (470), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:19:07,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 500 transitions. [2025-01-10 02:19:07,447 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 500 transitions. Word has length 42 [2025-01-10 02:19:07,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:07,448 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 500 transitions. [2025-01-10 02:19:07,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:19:07,448 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 500 transitions. [2025-01-10 02:19:07,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-01-10 02:19:07,448 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:07,448 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:07,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-01-10 02:19:07,449 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:07,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:07,449 INFO L85 PathProgramCache]: Analyzing trace with hash 2049912042, now seen corresponding path program 1 times [2025-01-10 02:19:07,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:07,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204154471] [2025-01-10 02:19:07,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:07,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:07,452 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 02:19:07,459 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 02:19:07,460 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:07,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:07,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1489443629] [2025-01-10 02:19:07,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:07,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:07,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:07,463 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 02:19:07,474 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 02:19:07,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 02:19:07,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 02:19:07,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:07,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:07,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 02:19:07,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:08,745 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:19:08,745 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:09,434 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:19:09,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:09,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204154471] [2025-01-10 02:19:09,434 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:09,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489443629] [2025-01-10 02:19:09,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489443629] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:09,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:09,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 20 [2025-01-10 02:19:09,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312673882] [2025-01-10 02:19:09,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:09,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 02:19:09,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:09,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 02:19:09,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=321, Unknown=1, NotChecked=0, Total=420 [2025-01-10 02:19:09,435 INFO L87 Difference]: Start difference. First operand 368 states and 500 transitions. Second operand has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:19:10,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:10,412 INFO L93 Difference]: Finished difference Result 383 states and 524 transitions. [2025-01-10 02:19:10,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 02:19:10,412 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2025-01-10 02:19:10,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:10,413 INFO L225 Difference]: With dead ends: 383 [2025-01-10 02:19:10,414 INFO L226 Difference]: Without dead ends: 376 [2025-01-10 02:19:10,414 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=112, Invalid=349, Unknown=1, NotChecked=0, Total=462 [2025-01-10 02:19:10,414 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 66 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:10,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 98 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 02:19:10,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2025-01-10 02:19:10,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 360. [2025-01-10 02:19:10,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 308 states have (on average 1.4837662337662338) internal successors, (457), 344 states have internal predecessors, (457), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 02:19:10,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 483 transitions. [2025-01-10 02:19:10,426 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 483 transitions. Word has length 43 [2025-01-10 02:19:10,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:10,426 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 483 transitions. [2025-01-10 02:19:10,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:19:10,426 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 483 transitions. [2025-01-10 02:19:10,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-01-10 02:19:10,426 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:10,427 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:10,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-01-10 02:19:10,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:10,631 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:10,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:10,632 INFO L85 PathProgramCache]: Analyzing trace with hash 604355556, now seen corresponding path program 1 times [2025-01-10 02:19:10,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:10,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232257348] [2025-01-10 02:19:10,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:10,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:10,635 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 02:19:10,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 02:19:10,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:10,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:10,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [108453436] [2025-01-10 02:19:10,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:10,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:10,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:10,655 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 02:19:10,656 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 02:19:10,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 02:19:10,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 02:19:10,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:10,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:10,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 02:19:10,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:19:10,996 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:13,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:13,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232257348] [2025-01-10 02:19:13,973 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:13,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108453436] [2025-01-10 02:19:13,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108453436] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:13,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:13,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:19:13,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528624635] [2025-01-10 02:19:13,974 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:13,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:19:13,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:13,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:19:13,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2025-01-10 02:19:13,975 INFO L87 Difference]: Start difference. First operand 360 states and 483 transitions. Second operand has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:19:14,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:14,536 INFO L93 Difference]: Finished difference Result 415 states and 557 transitions. [2025-01-10 02:19:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 02:19:14,537 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 43 [2025-01-10 02:19:14,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:14,538 INFO L225 Difference]: With dead ends: 415 [2025-01-10 02:19:14,538 INFO L226 Difference]: Without dead ends: 411 [2025-01-10 02:19:14,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=201, Invalid=399, Unknown=0, NotChecked=0, Total=600 [2025-01-10 02:19:14,539 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 180 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:14,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 245 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:19:14,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2025-01-10 02:19:14,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 342. [2025-01-10 02:19:14,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 291 states have (on average 1.4329896907216495) internal successors, (417), 327 states have internal predecessors, (417), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:19:14,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 441 transitions. [2025-01-10 02:19:14,559 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 441 transitions. Word has length 43 [2025-01-10 02:19:14,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:14,560 INFO L471 AbstractCegarLoop]: Abstraction has 342 states and 441 transitions. [2025-01-10 02:19:14,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.909090909090909) internal successors, (32), 11 states have internal predecessors, (32), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:19:14,560 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 441 transitions. [2025-01-10 02:19:14,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-01-10 02:19:14,560 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:14,560 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:14,570 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 02:19:14,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:14,761 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:14,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:14,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1555153100, now seen corresponding path program 1 times [2025-01-10 02:19:14,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:14,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947115796] [2025-01-10 02:19:14,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:14,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:14,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-10 02:19:14,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 02:19:14,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:14,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:14,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [401350650] [2025-01-10 02:19:14,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:14,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:14,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:14,785 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 02:19:14,789 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 02:19:14,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-10 02:19:14,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 02:19:14,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:14,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:14,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-10 02:19:14,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:19:15,200 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:16,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:16,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947115796] [2025-01-10 02:19:16,083 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:16,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401350650] [2025-01-10 02:19:16,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401350650] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:16,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:16,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-01-10 02:19:16,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843638974] [2025-01-10 02:19:16,085 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:16,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 02:19:16,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:16,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 02:19:16,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2025-01-10 02:19:16,087 INFO L87 Difference]: Start difference. First operand 342 states and 441 transitions. Second operand has 13 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:19:16,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:16,719 INFO L93 Difference]: Finished difference Result 409 states and 525 transitions. [2025-01-10 02:19:16,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:19:16,719 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 44 [2025-01-10 02:19:16,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:16,720 INFO L225 Difference]: With dead ends: 409 [2025-01-10 02:19:16,720 INFO L226 Difference]: Without dead ends: 404 [2025-01-10 02:19:16,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2025-01-10 02:19:16,721 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 340 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:16,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 230 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:19:16,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2025-01-10 02:19:16,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 363. [2025-01-10 02:19:16,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 311 states have (on average 1.4115755627009647) internal successors, (439), 347 states have internal predecessors, (439), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 02:19:16,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 465 transitions. [2025-01-10 02:19:16,732 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 465 transitions. Word has length 44 [2025-01-10 02:19:16,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:16,732 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 465 transitions. [2025-01-10 02:19:16,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:19:16,732 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 465 transitions. [2025-01-10 02:19:16,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-01-10 02:19:16,733 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:16,733 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:16,739 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 02:19:16,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:16,937 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:16,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:16,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1031718490, now seen corresponding path program 1 times [2025-01-10 02:19:16,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:16,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904215719] [2025-01-10 02:19:16,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:16,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:16,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-10 02:19:16,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-10 02:19:16,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:16,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:16,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1416972863] [2025-01-10 02:19:16,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:16,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:16,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:16,976 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 02:19:16,982 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 02:19:17,000 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-10 02:19:17,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-10 02:19:17,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:17,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:17,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:19:17,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:17,119 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:19:17,120 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:19:17,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:17,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904215719] [2025-01-10 02:19:17,120 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:17,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416972863] [2025-01-10 02:19:17,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416972863] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:17,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:17,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 02:19:17,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825852815] [2025-01-10 02:19:17,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:17,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:19:17,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:17,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:19:17,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:19:17,122 INFO L87 Difference]: Start difference. First operand 363 states and 465 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 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 02:19:17,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:17,494 INFO L93 Difference]: Finished difference Result 447 states and 586 transitions. [2025-01-10 02:19:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:19:17,496 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 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 45 [2025-01-10 02:19:17,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:17,498 INFO L225 Difference]: With dead ends: 447 [2025-01-10 02:19:17,498 INFO L226 Difference]: Without dead ends: 439 [2025-01-10 02:19:17,498 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:19:17,500 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 378 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:17,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 93 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:19:17,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2025-01-10 02:19:17,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 399. [2025-01-10 02:19:17,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 346 states have (on average 1.4219653179190752) internal successors, (492), 382 states have internal predecessors, (492), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-10 02:19:17,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 520 transitions. [2025-01-10 02:19:17,513 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 520 transitions. Word has length 45 [2025-01-10 02:19:17,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:17,513 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 520 transitions. [2025-01-10 02:19:17,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 7 states have internal predecessors, (31), 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 02:19:17,513 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 520 transitions. [2025-01-10 02:19:17,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-10 02:19:17,513 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:17,513 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:17,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-01-10 02:19:17,718 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,SelfDestructingSolverStorable21 [2025-01-10 02:19:17,718 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:17,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:17,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1918502251, now seen corresponding path program 1 times [2025-01-10 02:19:17,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:17,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508699154] [2025-01-10 02:19:17,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:17,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:17,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 02:19:17,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:19:17,732 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:17,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:17,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [130463716] [2025-01-10 02:19:17,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:17,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:17,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:17,735 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 02:19:17,736 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 02:19:17,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 02:19:17,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:19:17,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:17,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:17,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:19:17,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:17,886 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:19:17,887 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:19:17,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:17,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508699154] [2025-01-10 02:19:17,887 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:17,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130463716] [2025-01-10 02:19:17,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130463716] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:17,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:17,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 02:19:17,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447453005] [2025-01-10 02:19:17,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:17,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:19:17,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:17,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:19:17,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:19:17,888 INFO L87 Difference]: Start difference. First operand 399 states and 520 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 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 02:19:18,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:18,141 INFO L93 Difference]: Finished difference Result 423 states and 550 transitions. [2025-01-10 02:19:18,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:19:18,141 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 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 46 [2025-01-10 02:19:18,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:18,143 INFO L225 Difference]: With dead ends: 423 [2025-01-10 02:19:18,144 INFO L226 Difference]: Without dead ends: 422 [2025-01-10 02:19:18,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:19:18,144 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 226 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:18,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 90 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:19:18,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2025-01-10 02:19:18,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 399. [2025-01-10 02:19:18,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 346 states have (on average 1.416184971098266) internal successors, (490), 382 states have internal predecessors, (490), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-10 02:19:18,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 518 transitions. [2025-01-10 02:19:18,158 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 518 transitions. Word has length 46 [2025-01-10 02:19:18,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:18,158 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 518 transitions. [2025-01-10 02:19:18,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 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 02:19:18,158 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 518 transitions. [2025-01-10 02:19:18,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-10 02:19:18,159 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:18,159 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:18,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-01-10 02:19:18,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:18,360 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:18,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:18,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1210292858, now seen corresponding path program 1 times [2025-01-10 02:19:18,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:18,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603304153] [2025-01-10 02:19:18,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:18,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:18,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 02:19:18,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:19:18,368 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:18,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:18,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1567664020] [2025-01-10 02:19:18,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:18,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:18,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:18,370 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 02:19:18,371 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 02:19:18,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 02:19:18,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:19:18,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:18,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:18,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:19:18,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:18,565 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:19:18,566 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:19:18,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:18,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603304153] [2025-01-10 02:19:18,566 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:18,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567664020] [2025-01-10 02:19:18,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567664020] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:18,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:18,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-10 02:19:18,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284920624] [2025-01-10 02:19:18,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:18,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:19:18,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:18,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:19:18,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:19:18,567 INFO L87 Difference]: Start difference. First operand 399 states and 518 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:19:19,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:19,035 INFO L93 Difference]: Finished difference Result 430 states and 555 transitions. [2025-01-10 02:19:19,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:19:19,035 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2025-01-10 02:19:19,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:19,037 INFO L225 Difference]: With dead ends: 430 [2025-01-10 02:19:19,037 INFO L226 Difference]: Without dead ends: 428 [2025-01-10 02:19:19,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:19:19,037 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 153 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:19,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 269 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:19:19,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2025-01-10 02:19:19,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 417. [2025-01-10 02:19:19,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 363 states have (on average 1.4077134986225894) internal successors, (511), 399 states have internal predecessors, (511), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:19:19,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 541 transitions. [2025-01-10 02:19:19,062 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 541 transitions. Word has length 46 [2025-01-10 02:19:19,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:19,062 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 541 transitions. [2025-01-10 02:19:19,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:19:19,063 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 541 transitions. [2025-01-10 02:19:19,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-01-10 02:19:19,063 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:19,063 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:19,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-01-10 02:19:19,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:19,264 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:19,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:19,264 INFO L85 PathProgramCache]: Analyzing trace with hash -655972228, now seen corresponding path program 1 times [2025-01-10 02:19:19,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:19,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924955130] [2025-01-10 02:19:19,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:19,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:19,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-10 02:19:19,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-10 02:19:19,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:19,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:19,320 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:19:19,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:19,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924955130] [2025-01-10 02:19:19,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924955130] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:19,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:19,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:19:19,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19965449] [2025-01-10 02:19:19,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:19,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:19:19,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:19,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:19:19,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:19:19,322 INFO L87 Difference]: Start difference. First operand 417 states and 541 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 02:19:19,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:19,533 INFO L93 Difference]: Finished difference Result 440 states and 561 transitions. [2025-01-10 02:19:19,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:19:19,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 47 [2025-01-10 02:19:19,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:19,535 INFO L225 Difference]: With dead ends: 440 [2025-01-10 02:19:19,535 INFO L226 Difference]: Without dead ends: 439 [2025-01-10 02:19:19,535 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 02:19:19,535 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 30 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:19,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 203 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:19:19,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2025-01-10 02:19:19,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 428. [2025-01-10 02:19:19,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 374 states have (on average 1.4090909090909092) internal successors, (527), 410 states have internal predecessors, (527), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:19:19,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 557 transitions. [2025-01-10 02:19:19,547 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 557 transitions. Word has length 47 [2025-01-10 02:19:19,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:19,548 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 557 transitions. [2025-01-10 02:19:19,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 02:19:19,548 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 557 transitions. [2025-01-10 02:19:19,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-01-10 02:19:19,548 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:19,548 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:19,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-01-10 02:19:19,548 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:19,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:19,549 INFO L85 PathProgramCache]: Analyzing trace with hash 558518133, now seen corresponding path program 1 times [2025-01-10 02:19:19,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:19,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232866698] [2025-01-10 02:19:19,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:19,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:19,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-10 02:19:19,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-10 02:19:19,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:19,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:19,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [759038858] [2025-01-10 02:19:19,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:19,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:19,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:19,559 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 02:19:19,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-10 02:19:19,576 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-10 02:19:19,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-10 02:19:19,586 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:19,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:19,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:19:19,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:19,701 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:19:19,701 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:23,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:23,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232866698] [2025-01-10 02:19:23,879 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:23,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759038858] [2025-01-10 02:19:23,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759038858] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:23,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:23,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 02:19:23,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156481741] [2025-01-10 02:19:23,879 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:23,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:19:23,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:23,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:19:23,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=80, Unknown=1, NotChecked=0, Total=110 [2025-01-10 02:19:23,885 INFO L87 Difference]: Start difference. First operand 428 states and 557 transitions. Second operand has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:19:24,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:24,188 INFO L93 Difference]: Finished difference Result 434 states and 561 transitions. [2025-01-10 02:19:24,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:19:24,189 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 47 [2025-01-10 02:19:24,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:24,190 INFO L225 Difference]: With dead ends: 434 [2025-01-10 02:19:24,190 INFO L226 Difference]: Without dead ends: 432 [2025-01-10 02:19:24,190 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=54, Invalid=127, Unknown=1, NotChecked=0, Total=182 [2025-01-10 02:19:24,190 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 166 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:24,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 275 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:19:24,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2025-01-10 02:19:24,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 428. [2025-01-10 02:19:24,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 374 states have (on average 1.4037433155080214) internal successors, (525), 410 states have internal predecessors, (525), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:19:24,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 555 transitions. [2025-01-10 02:19:24,204 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 555 transitions. Word has length 47 [2025-01-10 02:19:24,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:24,204 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 555 transitions. [2025-01-10 02:19:24,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:19:24,204 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 555 transitions. [2025-01-10 02:19:24,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-01-10 02:19:24,204 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:24,205 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:24,211 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 02:19:24,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:24,409 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:24,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:24,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1135627118, now seen corresponding path program 1 times [2025-01-10 02:19:24,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:24,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887537040] [2025-01-10 02:19:24,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:24,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:24,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-10 02:19:24,422 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-10 02:19:24,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:24,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:24,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [94820516] [2025-01-10 02:19:24,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:24,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:24,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:24,430 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 02:19:24,438 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 02:19:24,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-10 02:19:24,466 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-10 02:19:24,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:24,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:24,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-10 02:19:24,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:24,776 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:19:24,776 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:24,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:24,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887537040] [2025-01-10 02:19:24,976 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:24,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94820516] [2025-01-10 02:19:24,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94820516] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:24,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:24,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 02:19:24,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355606407] [2025-01-10 02:19:24,976 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:24,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:19:24,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:24,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:19:24,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:19:24,977 INFO L87 Difference]: Start difference. First operand 428 states and 555 transitions. Second operand has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:19:25,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:25,469 INFO L93 Difference]: Finished difference Result 672 states and 872 transitions. [2025-01-10 02:19:25,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:19:25,470 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 47 [2025-01-10 02:19:25,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:25,471 INFO L225 Difference]: With dead ends: 672 [2025-01-10 02:19:25,471 INFO L226 Difference]: Without dead ends: 429 [2025-01-10 02:19:25,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2025-01-10 02:19:25,472 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 143 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:25,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 259 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:19:25,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2025-01-10 02:19:25,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 422. [2025-01-10 02:19:25,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 368 states have (on average 1.4021739130434783) internal successors, (516), 404 states have internal predecessors, (516), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:19:25,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 546 transitions. [2025-01-10 02:19:25,496 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 546 transitions. Word has length 47 [2025-01-10 02:19:25,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:25,496 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 546 transitions. [2025-01-10 02:19:25,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:19:25,496 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 546 transitions. [2025-01-10 02:19:25,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-01-10 02:19:25,497 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:25,497 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:25,503 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 02:19:25,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-01-10 02:19:25,701 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:25,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:25,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1139697549, now seen corresponding path program 1 times [2025-01-10 02:19:25,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:25,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430896441] [2025-01-10 02:19:25,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:25,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:25,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-10 02:19:25,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-10 02:19:25,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:25,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:25,768 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:19:25,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:25,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430896441] [2025-01-10 02:19:25,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430896441] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:25,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:25,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:19:25,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204539313] [2025-01-10 02:19:25,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:25,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:19:25,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:25,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:19:25,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:19:25,770 INFO L87 Difference]: Start difference. First operand 422 states and 546 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 02:19:26,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:26,047 INFO L93 Difference]: Finished difference Result 434 states and 548 transitions. [2025-01-10 02:19:26,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:19:26,048 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 48 [2025-01-10 02:19:26,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:26,049 INFO L225 Difference]: With dead ends: 434 [2025-01-10 02:19:26,049 INFO L226 Difference]: Without dead ends: 433 [2025-01-10 02:19:26,049 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 02:19:26,050 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 29 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:26,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 209 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:19:26,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2025-01-10 02:19:26,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 423. [2025-01-10 02:19:26,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 369 states have (on average 1.3983739837398375) internal successors, (516), 405 states have internal predecessors, (516), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:19:26,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 546 transitions. [2025-01-10 02:19:26,075 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 546 transitions. Word has length 48 [2025-01-10 02:19:26,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:26,076 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 546 transitions. [2025-01-10 02:19:26,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 02:19:26,076 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 546 transitions. [2025-01-10 02:19:26,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-01-10 02:19:26,076 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:26,077 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:26,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-01-10 02:19:26,077 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:26,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:26,077 INFO L85 PathProgramCache]: Analyzing trace with hash 134192991, now seen corresponding path program 1 times [2025-01-10 02:19:26,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:26,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769065320] [2025-01-10 02:19:26,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:26,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:26,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-10 02:19:26,090 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-10 02:19:26,090 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:26,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:26,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [398889574] [2025-01-10 02:19:26,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:26,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:26,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:26,093 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 02:19:26,094 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 02:19:26,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-10 02:19:26,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-10 02:19:26,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:26,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:26,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-10 02:19:26,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:26,348 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:19:26,349 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:26,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:26,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769065320] [2025-01-10 02:19:26,682 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:26,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398889574] [2025-01-10 02:19:26,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398889574] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:26,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:26,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 02:19:26,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691840835] [2025-01-10 02:19:26,683 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:26,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:19:26,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:26,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:19:26,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:19:26,684 INFO L87 Difference]: Start difference. First operand 423 states and 546 transitions. Second operand has 9 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:19:27,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:27,074 INFO L93 Difference]: Finished difference Result 445 states and 572 transitions. [2025-01-10 02:19:27,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:19:27,074 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 48 [2025-01-10 02:19:27,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:27,075 INFO L225 Difference]: With dead ends: 445 [2025-01-10 02:19:27,075 INFO L226 Difference]: Without dead ends: 444 [2025-01-10 02:19:27,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2025-01-10 02:19:27,076 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 143 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:27,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 265 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:19:27,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-01-10 02:19:27,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 429. [2025-01-10 02:19:27,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 375 states have (on average 1.392) internal successors, (522), 411 states have internal predecessors, (522), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 02:19:27,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 552 transitions. [2025-01-10 02:19:27,089 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 552 transitions. Word has length 48 [2025-01-10 02:19:27,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:27,089 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 552 transitions. [2025-01-10 02:19:27,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:19:27,089 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 552 transitions. [2025-01-10 02:19:27,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-01-10 02:19:27,089 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:27,090 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:27,097 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 02:19:27,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:27,290 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:27,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:27,290 INFO L85 PathProgramCache]: Analyzing trace with hash 970885693, now seen corresponding path program 1 times [2025-01-10 02:19:27,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:27,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107840092] [2025-01-10 02:19:27,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:27,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:27,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 02:19:27,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 02:19:27,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:27,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:27,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1637905500] [2025-01-10 02:19:27,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:27,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:27,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:27,309 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 02:19:27,320 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 02:19:27,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 02:19:27,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 02:19:27,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:27,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:27,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 02:19:27,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:27,446 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:19:27,446 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:27,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:27,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107840092] [2025-01-10 02:19:27,592 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:27,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637905500] [2025-01-10 02:19:27,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637905500] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:27,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:27,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 02:19:27,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426026127] [2025-01-10 02:19:27,592 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:27,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:19:27,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:27,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:19:27,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:19:27,597 INFO L87 Difference]: Start difference. First operand 429 states and 552 transitions. Second operand has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:19:27,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:27,881 INFO L93 Difference]: Finished difference Result 479 states and 629 transitions. [2025-01-10 02:19:27,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 02:19:27,882 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 49 [2025-01-10 02:19:27,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:27,883 INFO L225 Difference]: With dead ends: 479 [2025-01-10 02:19:27,883 INFO L226 Difference]: Without dead ends: 461 [2025-01-10 02:19:27,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:19:27,884 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 209 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:27,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 96 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:19:27,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2025-01-10 02:19:27,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 408. [2025-01-10 02:19:27,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 365 states have (on average 1.3287671232876712) internal successors, (485), 391 states have internal predecessors, (485), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-01-10 02:19:27,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 513 transitions. [2025-01-10 02:19:27,903 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 513 transitions. Word has length 49 [2025-01-10 02:19:27,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:27,903 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 513 transitions. [2025-01-10 02:19:27,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:19:27,903 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 513 transitions. [2025-01-10 02:19:27,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-01-10 02:19:27,903 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:27,903 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:27,914 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 02:19:28,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:28,108 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:28,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:28,108 INFO L85 PathProgramCache]: Analyzing trace with hash 32685455, now seen corresponding path program 1 times [2025-01-10 02:19:28,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:28,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112653006] [2025-01-10 02:19:28,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:28,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:28,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-10 02:19:28,127 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 02:19:28,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:28,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:28,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1168665341] [2025-01-10 02:19:28,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:28,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:28,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:28,136 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 02:19:28,138 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 02:19:28,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-10 02:19:28,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 02:19:28,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:28,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:28,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 02:19:28,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:28,470 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:19:28,470 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:28,950 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:19:28,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:28,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112653006] [2025-01-10 02:19:28,950 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:28,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168665341] [2025-01-10 02:19:28,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168665341] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:19:28,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:19:28,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2025-01-10 02:19:28,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318935500] [2025-01-10 02:19:28,950 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:28,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-10 02:19:28,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:28,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-10 02:19:28,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:19:28,951 INFO L87 Difference]: Start difference. First operand 408 states and 513 transitions. Second operand has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 14 states have internal predecessors, (68), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 02:19:41,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:41,166 INFO L93 Difference]: Finished difference Result 1010 states and 1359 transitions. [2025-01-10 02:19:41,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 02:19:41,166 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 14 states have internal predecessors, (68), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 50 [2025-01-10 02:19:41,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:41,169 INFO L225 Difference]: With dead ends: 1010 [2025-01-10 02:19:41,169 INFO L226 Difference]: Without dead ends: 1001 [2025-01-10 02:19:41,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=295, Invalid=826, Unknown=1, NotChecked=0, Total=1122 [2025-01-10 02:19:41,170 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 510 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 1265 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 1340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:41,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 187 Invalid, 1340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1265 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2025-01-10 02:19:41,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2025-01-10 02:19:41,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 769. [2025-01-10 02:19:41,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 713 states have (on average 1.361851332398317) internal successors, (971), 739 states have internal predecessors, (971), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-10 02:19:41,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1025 transitions. [2025-01-10 02:19:41,208 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1025 transitions. Word has length 50 [2025-01-10 02:19:41,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:41,208 INFO L471 AbstractCegarLoop]: Abstraction has 769 states and 1025 transitions. [2025-01-10 02:19:41,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.533333333333333) internal successors, (68), 14 states have internal predecessors, (68), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 02:19:41,208 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1025 transitions. [2025-01-10 02:19:41,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-01-10 02:19:41,208 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:41,208 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:41,214 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 02:19:41,412 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,SelfDestructingSolverStorable30 [2025-01-10 02:19:41,413 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:41,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:41,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1013249151, now seen corresponding path program 1 times [2025-01-10 02:19:41,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:41,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018940241] [2025-01-10 02:19:41,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:41,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:41,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 02:19:41,422 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 02:19:41,422 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:41,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:41,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1481075996] [2025-01-10 02:19:41,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:41,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:41,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:41,424 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 02:19:41,426 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 02:19:41,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 02:19:41,454 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 02:19:41,454 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:41,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:41,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 02:19:41,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:41,630 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:19:41,631 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:41,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:41,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018940241] [2025-01-10 02:19:41,814 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:41,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481075996] [2025-01-10 02:19:41,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481075996] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:41,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:41,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 02:19:41,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730569714] [2025-01-10 02:19:41,815 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:41,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:19:41,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:41,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:19:41,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:19:41,815 INFO L87 Difference]: Start difference. First operand 769 states and 1025 transitions. Second operand has 9 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:19:42,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:42,119 INFO L93 Difference]: Finished difference Result 869 states and 1168 transitions. [2025-01-10 02:19:42,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 02:19:42,120 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 51 [2025-01-10 02:19:42,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:42,122 INFO L225 Difference]: With dead ends: 869 [2025-01-10 02:19:42,122 INFO L226 Difference]: Without dead ends: 864 [2025-01-10 02:19:42,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:19:42,122 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 99 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:42,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 83 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:19:42,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2025-01-10 02:19:42,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 739. [2025-01-10 02:19:42,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 689 states have (on average 1.3265602322206096) internal successors, (914), 710 states have internal predecessors, (914), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-10 02:19:42,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 966 transitions. [2025-01-10 02:19:42,148 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 966 transitions. Word has length 51 [2025-01-10 02:19:42,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:42,148 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 966 transitions. [2025-01-10 02:19:42,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:19:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 966 transitions. [2025-01-10 02:19:42,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 02:19:42,148 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:42,148 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:42,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-01-10 02:19:42,353 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,SelfDestructingSolverStorable31 [2025-01-10 02:19:42,353 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:42,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:42,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1345952657, now seen corresponding path program 1 times [2025-01-10 02:19:42,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:42,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112335025] [2025-01-10 02:19:42,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:42,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:42,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:19:42,365 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:19:42,368 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:42,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:42,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1344059886] [2025-01-10 02:19:42,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:42,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:42,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:42,372 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 02:19:42,373 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 02:19:42,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:19:42,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:19:42,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:42,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:42,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 02:19:42,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:42,597 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:19:42,597 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:43,625 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:19:43,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:43,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112335025] [2025-01-10 02:19:43,626 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:43,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344059886] [2025-01-10 02:19:43,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344059886] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:19:43,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:19:43,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 15 [2025-01-10 02:19:43,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992661284] [2025-01-10 02:19:43,626 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:43,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-10 02:19:43,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:43,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-10 02:19:43,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:19:43,627 INFO L87 Difference]: Start difference. First operand 739 states and 966 transitions. Second operand has 16 states, 15 states have (on average 4.8) internal successors, (72), 14 states have internal predecessors, (72), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 02:19:47,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:47,991 INFO L93 Difference]: Finished difference Result 859 states and 1117 transitions. [2025-01-10 02:19:47,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-10 02:19:47,993 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 14 states have internal predecessors, (72), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 52 [2025-01-10 02:19:47,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:47,995 INFO L225 Difference]: With dead ends: 859 [2025-01-10 02:19:47,995 INFO L226 Difference]: Without dead ends: 858 [2025-01-10 02:19:47,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=204, Invalid=666, Unknown=0, NotChecked=0, Total=870 [2025-01-10 02:19:47,996 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 375 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:47,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 193 Invalid, 1358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1311 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2025-01-10 02:19:47,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2025-01-10 02:19:48,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 774. [2025-01-10 02:19:48,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 774 states, 723 states have (on average 1.3125864453665284) internal successors, (949), 744 states have internal predecessors, (949), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-10 02:19:48,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 1003 transitions. [2025-01-10 02:19:48,027 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 1003 transitions. Word has length 52 [2025-01-10 02:19:48,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:48,027 INFO L471 AbstractCegarLoop]: Abstraction has 774 states and 1003 transitions. [2025-01-10 02:19:48,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 14 states have internal predecessors, (72), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 02:19:48,028 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1003 transitions. [2025-01-10 02:19:48,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-01-10 02:19:48,029 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:48,029 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:48,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-01-10 02:19:48,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:48,230 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:48,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:48,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1225140543, now seen corresponding path program 1 times [2025-01-10 02:19:48,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:48,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307511899] [2025-01-10 02:19:48,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:48,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:48,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:19:48,243 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:19:48,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:48,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:48,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1670812637] [2025-01-10 02:19:48,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:48,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:48,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:48,249 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 02:19:48,252 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 02:19:48,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:19:48,279 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:19:48,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:48,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:48,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 02:19:48,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:48,521 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:19:48,521 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:49,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:49,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307511899] [2025-01-10 02:19:49,294 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:49,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670812637] [2025-01-10 02:19:49,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670812637] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:49,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:49,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-01-10 02:19:49,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996767917] [2025-01-10 02:19:49,294 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:49,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 02:19:49,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:49,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 02:19:49,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:19:49,295 INFO L87 Difference]: Start difference. First operand 774 states and 1003 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:19:49,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:49,976 INFO L93 Difference]: Finished difference Result 842 states and 1084 transitions. [2025-01-10 02:19:49,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:19:49,976 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 53 [2025-01-10 02:19:49,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:49,978 INFO L225 Difference]: With dead ends: 842 [2025-01-10 02:19:49,978 INFO L226 Difference]: Without dead ends: 838 [2025-01-10 02:19:49,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=150, Invalid=312, Unknown=0, NotChecked=0, Total=462 [2025-01-10 02:19:49,980 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 171 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:49,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 173 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:19:49,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2025-01-10 02:19:50,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 774. [2025-01-10 02:19:50,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 774 states, 723 states have (on average 1.2890733056708161) internal successors, (932), 744 states have internal predecessors, (932), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-10 02:19:50,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 986 transitions. [2025-01-10 02:19:50,012 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 986 transitions. Word has length 53 [2025-01-10 02:19:50,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:50,012 INFO L471 AbstractCegarLoop]: Abstraction has 774 states and 986 transitions. [2025-01-10 02:19:50,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:19:50,012 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 986 transitions. [2025-01-10 02:19:50,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-01-10 02:19:50,013 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:50,013 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:50,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-01-10 02:19:50,217 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,SelfDestructingSolverStorable33 [2025-01-10 02:19:50,217 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:50,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:50,218 INFO L85 PathProgramCache]: Analyzing trace with hash 675348883, now seen corresponding path program 1 times [2025-01-10 02:19:50,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:50,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41526138] [2025-01-10 02:19:50,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:50,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:50,221 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-10 02:19:50,229 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-10 02:19:50,229 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:50,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:50,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [366406587] [2025-01-10 02:19:50,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:50,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:50,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:50,235 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 02:19:50,239 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 02:19:50,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-10 02:19:50,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-10 02:19:50,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:50,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:50,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-10 02:19:50,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:50,811 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:19:50,811 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:50,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:50,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41526138] [2025-01-10 02:19:50,994 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:50,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366406587] [2025-01-10 02:19:50,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366406587] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:50,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:50,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:19:50,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654993066] [2025-01-10 02:19:50,994 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:50,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:19:50,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:50,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:19:50,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:19:50,995 INFO L87 Difference]: Start difference. First operand 774 states and 986 transitions. Second operand has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:19:51,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:51,921 INFO L93 Difference]: Finished difference Result 796 states and 1012 transitions. [2025-01-10 02:19:51,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:19:51,921 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 54 [2025-01-10 02:19:51,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:51,924 INFO L225 Difference]: With dead ends: 796 [2025-01-10 02:19:51,924 INFO L226 Difference]: Without dead ends: 795 [2025-01-10 02:19:51,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2025-01-10 02:19:51,925 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 259 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:51,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 199 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 02:19:51,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2025-01-10 02:19:51,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 780. [2025-01-10 02:19:51,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 729 states have (on average 1.2866941015089164) internal successors, (938), 750 states have internal predecessors, (938), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-10 02:19:51,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 992 transitions. [2025-01-10 02:19:51,973 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 992 transitions. Word has length 54 [2025-01-10 02:19:51,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:51,974 INFO L471 AbstractCegarLoop]: Abstraction has 780 states and 992 transitions. [2025-01-10 02:19:51,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 02:19:51,974 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 992 transitions. [2025-01-10 02:19:51,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-01-10 02:19:51,974 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:51,974 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:51,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-01-10 02:19:52,179 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,SelfDestructingSolverStorable34 [2025-01-10 02:19:52,179 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:52,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:52,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1854260562, now seen corresponding path program 1 times [2025-01-10 02:19:52,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:52,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716610819] [2025-01-10 02:19:52,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:52,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:52,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-10 02:19:52,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-10 02:19:52,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:52,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:52,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [284176500] [2025-01-10 02:19:52,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:52,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:52,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:52,203 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 02:19:52,204 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 02:19:52,227 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-10 02:19:52,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-10 02:19:52,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:52,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:52,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 02:19:52,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:52,653 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-10 02:19:52,653 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:53,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:53,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716610819] [2025-01-10 02:19:53,631 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:53,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284176500] [2025-01-10 02:19:53,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284176500] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:53,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:53,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-01-10 02:19:53,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431090976] [2025-01-10 02:19:53,631 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:53,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 02:19:53,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:53,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 02:19:53,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2025-01-10 02:19:53,632 INFO L87 Difference]: Start difference. First operand 780 states and 992 transitions. Second operand has 13 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2025-01-10 02:19:55,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:55,020 INFO L93 Difference]: Finished difference Result 834 states and 1056 transitions. [2025-01-10 02:19:55,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 02:19:55,021 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 60 [2025-01-10 02:19:55,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:55,023 INFO L225 Difference]: With dead ends: 834 [2025-01-10 02:19:55,023 INFO L226 Difference]: Without dead ends: 830 [2025-01-10 02:19:55,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2025-01-10 02:19:55,024 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 202 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:55,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 205 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-01-10 02:19:55,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2025-01-10 02:19:55,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 790. [2025-01-10 02:19:55,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 739 states have (on average 1.2855209742895806) internal successors, (950), 760 states have internal predecessors, (950), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-10 02:19:55,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1004 transitions. [2025-01-10 02:19:55,060 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1004 transitions. Word has length 60 [2025-01-10 02:19:55,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:55,060 INFO L471 AbstractCegarLoop]: Abstraction has 790 states and 1004 transitions. [2025-01-10 02:19:55,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2025-01-10 02:19:55,060 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1004 transitions. [2025-01-10 02:19:55,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-01-10 02:19:55,060 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:55,061 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:55,067 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 02:19:55,265 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,SelfDestructingSolverStorable35 [2025-01-10 02:19:55,265 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:55,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:55,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1232379793, now seen corresponding path program 1 times [2025-01-10 02:19:55,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:55,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284652172] [2025-01-10 02:19:55,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:55,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:55,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-10 02:19:55,283 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 02:19:55,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:55,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:55,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1212223414] [2025-01-10 02:19:55,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:55,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:55,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:55,291 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 02:19:55,293 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 02:19:55,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-10 02:19:55,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 02:19:55,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:55,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:55,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 02:19:55,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:55,924 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-10 02:19:55,924 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:56,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:56,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284652172] [2025-01-10 02:19:56,971 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:56,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212223414] [2025-01-10 02:19:56,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212223414] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:56,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:56,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-01-10 02:19:56,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016960086] [2025-01-10 02:19:56,972 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:56,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 02:19:56,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:56,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 02:19:56,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2025-01-10 02:19:56,974 INFO L87 Difference]: Start difference. First operand 790 states and 1004 transitions. Second operand has 14 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 14 states have internal predecessors, (45), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:19:57,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:57,905 INFO L93 Difference]: Finished difference Result 1010 states and 1302 transitions. [2025-01-10 02:19:57,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 02:19:57,906 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 14 states have internal predecessors, (45), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 61 [2025-01-10 02:19:57,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:57,908 INFO L225 Difference]: With dead ends: 1010 [2025-01-10 02:19:57,909 INFO L226 Difference]: Without dead ends: 1004 [2025-01-10 02:19:57,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=247, Invalid=623, Unknown=0, NotChecked=0, Total=870 [2025-01-10 02:19:57,909 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 271 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:57,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 161 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 02:19:57,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2025-01-10 02:19:57,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 897. [2025-01-10 02:19:57,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 840 states have (on average 1.2988095238095239) internal successors, (1091), 861 states have internal predecessors, (1091), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-01-10 02:19:57,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1157 transitions. [2025-01-10 02:19:57,948 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1157 transitions. Word has length 61 [2025-01-10 02:19:57,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:57,948 INFO L471 AbstractCegarLoop]: Abstraction has 897 states and 1157 transitions. [2025-01-10 02:19:57,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 14 states have internal predecessors, (45), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:19:57,948 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1157 transitions. [2025-01-10 02:19:57,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-01-10 02:19:57,949 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:57,949 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:57,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-01-10 02:19:58,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-01-10 02:19:58,150 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:58,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:58,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1631403968, now seen corresponding path program 1 times [2025-01-10 02:19:58,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:58,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493218263] [2025-01-10 02:19:58,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:58,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:58,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-10 02:19:58,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 02:19:58,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:58,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:58,188 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:19:58,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:58,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493218263] [2025-01-10 02:19:58,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493218263] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:58,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783846656] [2025-01-10 02:19:58,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:58,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:58,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:58,190 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 02:19:58,192 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 02:19:58,212 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-01-10 02:19:58,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 02:19:58,224 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:58,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:58,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:19:58,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:58,262 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:19:58,262 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:58,315 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:19:58,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783846656] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:19:58,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:19:58,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-01-10 02:19:58,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154698716] [2025-01-10 02:19:58,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:58,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:19:58,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:58,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:19:58,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:19:58,317 INFO L87 Difference]: Start difference. First operand 897 states and 1157 transitions. Second operand has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-01-10 02:19:58,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:58,500 INFO L93 Difference]: Finished difference Result 1708 states and 2277 transitions. [2025-01-10 02:19:58,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:19:58,500 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 61 [2025-01-10 02:19:58,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:58,504 INFO L225 Difference]: With dead ends: 1708 [2025-01-10 02:19:58,504 INFO L226 Difference]: Without dead ends: 1707 [2025-01-10 02:19:58,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:19:58,505 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 285 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:58,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 230 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:19:58,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2025-01-10 02:19:58,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1680. [2025-01-10 02:19:58,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1680 states, 1600 states have (on average 1.340625) internal successors, (2145), 1621 states have internal predecessors, (2145), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2025-01-10 02:19:58,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 2257 transitions. [2025-01-10 02:19:58,574 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 2257 transitions. Word has length 61 [2025-01-10 02:19:58,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:58,574 INFO L471 AbstractCegarLoop]: Abstraction has 1680 states and 2257 transitions. [2025-01-10 02:19:58,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.333333333333334) internal successors, (92), 7 states have internal predecessors, (92), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-01-10 02:19:58,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 2257 transitions. [2025-01-10 02:19:58,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-01-10 02:19:58,575 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:58,575 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:58,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-01-10 02:19:58,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-01-10 02:19:58,779 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:58,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:58,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1048314143, now seen corresponding path program 1 times [2025-01-10 02:19:58,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:58,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350093701] [2025-01-10 02:19:58,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:58,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:58,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-01-10 02:19:58,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-01-10 02:19:58,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:58,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:59,031 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:19:59,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:59,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350093701] [2025-01-10 02:19:59,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350093701] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:59,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:59,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-01-10 02:19:59,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143190962] [2025-01-10 02:19:59,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:59,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:19:59,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:59,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:19:59,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:19:59,032 INFO L87 Difference]: Start difference. First operand 1680 states and 2257 transitions. Second operand has 11 states, 10 states have (on average 4.4) internal successors, (44), 11 states have internal predecessors, (44), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:19:59,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:59,822 INFO L93 Difference]: Finished difference Result 2419 states and 3343 transitions. [2025-01-10 02:19:59,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 02:19:59,822 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.4) internal successors, (44), 11 states have internal predecessors, (44), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 63 [2025-01-10 02:19:59,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:59,828 INFO L225 Difference]: With dead ends: 2419 [2025-01-10 02:19:59,828 INFO L226 Difference]: Without dead ends: 2417 [2025-01-10 02:19:59,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=241, Unknown=0, NotChecked=0, Total=342 [2025-01-10 02:19:59,829 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 290 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:59,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 185 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 02:19:59,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2417 states. [2025-01-10 02:19:59,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2417 to 2301. [2025-01-10 02:19:59,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2301 states, 2200 states have (on average 1.3595454545454546) internal successors, (2991), 2221 states have internal predecessors, (2991), 77 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2025-01-10 02:19:59,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 2301 states and 3145 transitions. [2025-01-10 02:19:59,910 INFO L78 Accepts]: Start accepts. Automaton has 2301 states and 3145 transitions. Word has length 63 [2025-01-10 02:19:59,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:59,911 INFO L471 AbstractCegarLoop]: Abstraction has 2301 states and 3145 transitions. [2025-01-10 02:19:59,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.4) internal successors, (44), 11 states have internal predecessors, (44), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 02:19:59,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 3145 transitions. [2025-01-10 02:19:59,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-01-10 02:19:59,911 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:59,911 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:59,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-01-10 02:19:59,912 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:19:59,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:59,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1329228801, now seen corresponding path program 1 times [2025-01-10 02:19:59,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:59,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154558670] [2025-01-10 02:19:59,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:59,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:59,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-01-10 02:19:59,918 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-01-10 02:19:59,918 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:59,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:59,960 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:19:59,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:59,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154558670] [2025-01-10 02:19:59,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154558670] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:59,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:59,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:19:59,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906419470] [2025-01-10 02:19:59,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:59,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:19:59,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:59,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:19:59,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:19:59,961 INFO L87 Difference]: Start difference. First operand 2301 states and 3145 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:20:00,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:20:00,141 INFO L93 Difference]: Finished difference Result 4038 states and 5610 transitions. [2025-01-10 02:20:00,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:20:00,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2025-01-10 02:20:00,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:20:00,147 INFO L225 Difference]: With dead ends: 4038 [2025-01-10 02:20:00,147 INFO L226 Difference]: Without dead ends: 2403 [2025-01-10 02:20:00,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 02:20:00,150 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 5 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:20:00,150 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 114 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:20:00,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2403 states. [2025-01-10 02:20:00,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2403 to 2362. [2025-01-10 02:20:00,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2362 states, 2247 states have (on average 1.3502447708055185) internal successors, (3034), 2268 states have internal predecessors, (3034), 91 states have call successors, (91), 2 states have call predecessors, (91), 2 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2025-01-10 02:20:00,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 3216 transitions. [2025-01-10 02:20:00,257 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 3216 transitions. Word has length 64 [2025-01-10 02:20:00,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:20:00,257 INFO L471 AbstractCegarLoop]: Abstraction has 2362 states and 3216 transitions. [2025-01-10 02:20:00,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:20:00,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 3216 transitions. [2025-01-10 02:20:00,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-01-10 02:20:00,258 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:20:00,258 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:20:00,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-01-10 02:20:00,258 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:20:00,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:20:00,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1659030799, now seen corresponding path program 1 times [2025-01-10 02:20:00,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:20:00,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134432068] [2025-01-10 02:20:00,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:20:00,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:20:00,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-01-10 02:20:00,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-01-10 02:20:00,266 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:20:00,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:20:00,337 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:20:00,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:20:00,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134432068] [2025-01-10 02:20:00,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134432068] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:20:00,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:20:00,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:20:00,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232508639] [2025-01-10 02:20:00,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:20:00,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:20:00,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:20:00,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:20:00,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:20:00,338 INFO L87 Difference]: Start difference. First operand 2362 states and 3216 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:20:00,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:20:00,506 INFO L93 Difference]: Finished difference Result 4037 states and 5583 transitions. [2025-01-10 02:20:00,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:20:00,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2025-01-10 02:20:00,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:20:00,513 INFO L225 Difference]: With dead ends: 4037 [2025-01-10 02:20:00,513 INFO L226 Difference]: Without dead ends: 2403 [2025-01-10 02:20:00,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 02:20:00,515 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 10 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:20:00,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 114 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:20:00,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2403 states. [2025-01-10 02:20:00,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2403 to 2317. [2025-01-10 02:20:00,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2317 states, 2197 states have (on average 1.352753755120619) internal successors, (2972), 2218 states have internal predecessors, (2972), 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 02:20:00,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 2317 states and 3164 transitions. [2025-01-10 02:20:00,622 INFO L78 Accepts]: Start accepts. Automaton has 2317 states and 3164 transitions. Word has length 64 [2025-01-10 02:20:00,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:20:00,622 INFO L471 AbstractCegarLoop]: Abstraction has 2317 states and 3164 transitions. [2025-01-10 02:20:00,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:20:00,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 3164 transitions. [2025-01-10 02:20:00,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-01-10 02:20:00,623 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:20:00,623 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:20:00,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2025-01-10 02:20:00,623 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:20:00,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:20:00,624 INFO L85 PathProgramCache]: Analyzing trace with hash 2052333344, now seen corresponding path program 1 times [2025-01-10 02:20:00,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:20:00,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842215543] [2025-01-10 02:20:00,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:20:00,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:20:00,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-01-10 02:20:00,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-01-10 02:20:00,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:20:00,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:20:00,733 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:20:00,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:20:00,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842215543] [2025-01-10 02:20:00,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842215543] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:20:00,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:20:00,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:20:00,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538568282] [2025-01-10 02:20:00,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:20:00,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:20:00,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:20:00,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:20:00,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:20:00,735 INFO L87 Difference]: Start difference. First operand 2317 states and 3164 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:20:01,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:20:01,002 INFO L93 Difference]: Finished difference Result 4365 states and 6017 transitions. [2025-01-10 02:20:01,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:20:01,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65 [2025-01-10 02:20:01,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:20:01,016 INFO L225 Difference]: With dead ends: 4365 [2025-01-10 02:20:01,016 INFO L226 Difference]: Without dead ends: 2395 [2025-01-10 02:20:01,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:20:01,020 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 19 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:20:01,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 147 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:20:01,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2395 states. [2025-01-10 02:20:01,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2395 to 2278. [2025-01-10 02:20:01,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2278 states, 2160 states have (on average 1.3444444444444446) internal successors, (2904), 2181 states have internal predecessors, (2904), 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 02:20:01,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 2278 states and 3092 transitions. [2025-01-10 02:20:01,151 INFO L78 Accepts]: Start accepts. Automaton has 2278 states and 3092 transitions. Word has length 65 [2025-01-10 02:20:01,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:20:01,152 INFO L471 AbstractCegarLoop]: Abstraction has 2278 states and 3092 transitions. [2025-01-10 02:20:01,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:20:01,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 3092 transitions. [2025-01-10 02:20:01,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-01-10 02:20:01,152 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:20:01,152 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:20:01,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2025-01-10 02:20:01,153 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:20:01,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:20:01,153 INFO L85 PathProgramCache]: Analyzing trace with hash 50094788, now seen corresponding path program 2 times [2025-01-10 02:20:01,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:20:01,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197996733] [2025-01-10 02:20:01,153 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:20:01,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:20:01,157 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 65 statements into 2 equivalence classes. [2025-01-10 02:20:01,168 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 65 of 65 statements. [2025-01-10 02:20:01,168 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:20:01,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:20:01,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [863288073] [2025-01-10 02:20:01,169 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:20:01,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:20:01,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:20:01,171 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 02:20:01,176 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 02:20:01,193 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 65 statements into 2 equivalence classes. [2025-01-10 02:20:01,219 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 65 of 65 statements. [2025-01-10 02:20:01,219 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:20:01,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:20:01,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-01-10 02:20:01,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:20:02,284 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-01-10 02:20:02,285 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:20:03,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:20:03,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197996733] [2025-01-10 02:20:03,554 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:20:03,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863288073] [2025-01-10 02:20:03,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863288073] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:20:03,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:20:03,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2025-01-10 02:20:03,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792140931] [2025-01-10 02:20:03,555 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:20:03,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-10 02:20:03,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:20:03,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-10 02:20:03,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=495, Unknown=0, NotChecked=0, Total=650 [2025-01-10 02:20:03,557 INFO L87 Difference]: Start difference. First operand 2278 states and 3092 transitions. Second operand has 20 states, 18 states have (on average 2.7222222222222223) internal successors, (49), 18 states have internal predecessors, (49), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:20:04,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:20:04,819 INFO L93 Difference]: Finished difference Result 2821 states and 3829 transitions. [2025-01-10 02:20:04,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-10 02:20:04,820 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 2.7222222222222223) internal successors, (49), 18 states have internal predecessors, (49), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 65 [2025-01-10 02:20:04,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:20:04,825 INFO L225 Difference]: With dead ends: 2821 [2025-01-10 02:20:04,825 INFO L226 Difference]: Without dead ends: 2174 [2025-01-10 02:20:04,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=224, Invalid=706, Unknown=0, NotChecked=0, Total=930 [2025-01-10 02:20:04,830 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 114 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:20:04,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 328 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-01-10 02:20:04,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2174 states. [2025-01-10 02:20:04,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2174 to 2174. [2025-01-10 02:20:04,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2174 states, 2058 states have (on average 1.3513119533527698) internal successors, (2781), 2079 states have internal predecessors, (2781), 92 states have call successors, (92), 2 states have call predecessors, (92), 2 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2025-01-10 02:20:04,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 2174 states and 2965 transitions. [2025-01-10 02:20:04,931 INFO L78 Accepts]: Start accepts. Automaton has 2174 states and 2965 transitions. Word has length 65 [2025-01-10 02:20:04,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:20:04,932 INFO L471 AbstractCegarLoop]: Abstraction has 2174 states and 2965 transitions. [2025-01-10 02:20:04,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 2.7222222222222223) internal successors, (49), 18 states have internal predecessors, (49), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:20:04,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 2965 transitions. [2025-01-10 02:20:04,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-01-10 02:20:04,932 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:20:04,932 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:20:04,946 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 02:20:05,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:20:05,137 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 02:20:05,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:20:05,138 INFO L85 PathProgramCache]: Analyzing trace with hash -836682444, now seen corresponding path program 1 times [2025-01-10 02:20:05,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:20:05,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403667180] [2025-01-10 02:20:05,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:20:05,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:20:05,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-10 02:20:05,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-10 02:20:05,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:20:05,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:20:05,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [285657746] [2025-01-10 02:20:05,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:20:05,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:20:05,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:20:05,159 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 02:20:05,160 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 02:20:05,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-10 02:20:05,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-10 02:20:05,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:20:05,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:20:05,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-01-10 02:20:05,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:20:08,146 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-10 02:20:08,147 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:20:08,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:20:08,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403667180] [2025-01-10 02:20:08,884 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:20:08,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285657746] [2025-01-10 02:20:08,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285657746] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:20:08,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:20:08,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2025-01-10 02:20:08,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192812884] [2025-01-10 02:20:08,884 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:20:08,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-10 02:20:08,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:20:08,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-10 02:20:08,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2025-01-10 02:20:08,885 INFO L87 Difference]: Start difference. First operand 2174 states and 2965 transitions. Second operand has 18 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 16 states have internal predecessors, (50), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2025-01-10 02:20:13,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:20:17,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:20:21,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:20:27,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:20:28,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]