./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound20.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_unwindbound20.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 97fbca6e87e25b4f87eb503f3dd8cdf02cc5219f6d8160a4d7fb4354cdd218ca --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:18:17,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:18:17,937 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:18:17,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:18:17,941 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:18:17,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:18:17,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:18:17,957 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:18:17,958 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:18:17,958 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:18:17,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:18:17,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:18:17,958 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:18:17,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:18:17,959 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:18:17,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:18:17,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:18:17,959 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:18:17,959 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:18:17,959 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:18:17,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:18:17,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:18:17,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:18:17,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:18:17,959 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:18:17,959 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:18:17,960 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:18:17,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:18:17,960 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:18:17,960 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:18:17,960 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:18:17,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:18:17,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:18:17,960 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:18:17,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:18:17,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:18:17,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:18:17,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:18:17,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:18:17,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:18:17,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:18:17,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:18:17,961 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:18:17,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:18:17,961 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:18:17,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:18:17,961 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:18:17,961 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:18:17,961 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:18:17,961 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:18:17,962 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 -> 97fbca6e87e25b4f87eb503f3dd8cdf02cc5219f6d8160a4d7fb4354cdd218ca [2025-01-10 02:18:18,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:18:18,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:18:18,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:18:18,187 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:18:18,188 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:18:18,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound20.c [2025-01-10 02:18:19,549 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/194e44fb0/2874554429354d809980341c52db9290/FLAG241e9ff59 [2025-01-10 02:18:19,795 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:18:19,796 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound20.c [2025-01-10 02:18:19,802 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/194e44fb0/2874554429354d809980341c52db9290/FLAG241e9ff59 [2025-01-10 02:18:19,822 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/194e44fb0/2874554429354d809980341c52db9290 [2025-01-10 02:18:19,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:18:19,825 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:18:19,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:18:19,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:18:19,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:18:19,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:18:19" (1/1) ... [2025-01-10 02:18:19,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74f7bfe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:19, skipping insertion in model container [2025-01-10 02:18:19,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:18:19" (1/1) ... [2025-01-10 02:18:19,845 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:18:19,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:18:19,999 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:18:20,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:18:20,031 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:18:20,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:20 WrapperNode [2025-01-10 02:18:20,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:18:20,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:18:20,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:18:20,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:18:20,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:20" (1/1) ... [2025-01-10 02:18:20,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:20" (1/1) ... [2025-01-10 02:18:20,067 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2025-01-10 02:18:20,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:18:20,071 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:18:20,071 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:18:20,071 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:18:20,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:20" (1/1) ... [2025-01-10 02:18:20,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:20" (1/1) ... [2025-01-10 02:18:20,085 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:20" (1/1) ... [2025-01-10 02:18:20,098 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 02:18:20,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:20" (1/1) ... [2025-01-10 02:18:20,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:20" (1/1) ... [2025-01-10 02:18:20,105 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:20" (1/1) ... [2025-01-10 02:18:20,106 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:20" (1/1) ... [2025-01-10 02:18:20,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:20" (1/1) ... [2025-01-10 02:18:20,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:20" (1/1) ... [2025-01-10 02:18:20,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:20" (1/1) ... [2025-01-10 02:18:20,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:18:20,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:18:20,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:18:20,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:18:20,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:20" (1/1) ... [2025-01-10 02:18:20,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:18:20,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:20,155 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 02:18:20,164 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 02:18:20,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:18:20,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:18:20,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:18:20,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:18:20,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:18:20,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:18:20,226 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:18:20,228 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:18:20,563 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2025-01-10 02:18:20,564 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:18:20,581 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:18:20,582 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 02:18:20,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:18:20 BoogieIcfgContainer [2025-01-10 02:18:20,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:18:20,584 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:18:20,587 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:18:20,591 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:18:20,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:18:19" (1/3) ... [2025-01-10 02:18:20,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d345833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:18:20, skipping insertion in model container [2025-01-10 02:18:20,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:18:20" (2/3) ... [2025-01-10 02:18:20,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d345833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:18:20, skipping insertion in model container [2025-01-10 02:18:20,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:18:20" (3/3) ... [2025-01-10 02:18:20,595 INFO L128 eAbstractionObserver]: Analyzing ICFG prod4br-ll_unwindbound20.c [2025-01-10 02:18:20,612 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:18:20,614 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG prod4br-ll_unwindbound20.c that has 2 procedures, 111 locations, 1 initial locations, 1 loop locations, and 44 error locations. [2025-01-10 02:18:20,662 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:18:20,672 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;@70ab2032, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:18:20,672 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2025-01-10 02:18:20,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 62 states have (on average 1.8387096774193548) internal successors, (114), 106 states have internal predecessors, (114), 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 02:18:20,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 02:18:20,678 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:20,679 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 02:18:20,679 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:20,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:20,683 INFO L85 PathProgramCache]: Analyzing trace with hash 889512265, now seen corresponding path program 1 times [2025-01-10 02:18:20,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:20,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039981966] [2025-01-10 02:18:20,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:20,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:20,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 02:18:20,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 02:18:20,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:20,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:20,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:20,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:20,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039981966] [2025-01-10 02:18:20,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039981966] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:20,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:20,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:18:20,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075721289] [2025-01-10 02:18:20,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:20,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:18:20,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:20,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:18:20,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:18:20,818 INFO L87 Difference]: Start difference. First operand has 111 states, 62 states have (on average 1.8387096774193548) internal successors, (114), 106 states have internal predecessors, (114), 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:20,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:20,840 INFO L93 Difference]: Finished difference Result 218 states and 238 transitions. [2025-01-10 02:18:20,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:18:20,841 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-01-10 02:18:20,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:20,846 INFO L225 Difference]: With dead ends: 218 [2025-01-10 02:18:20,847 INFO L226 Difference]: Without dead ends: 104 [2025-01-10 02:18:20,850 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 02:18:20,854 INFO L435 NwaCegarLoop]: 116 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, 116 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 02:18:20,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:18:20,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-01-10 02:18:20,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2025-01-10 02:18:20,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 57 states have (on average 1.8421052631578947) internal successors, (105), 100 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:18:20,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 109 transitions. [2025-01-10 02:18:20,891 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 109 transitions. Word has length 6 [2025-01-10 02:18:20,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:20,892 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 109 transitions. [2025-01-10 02:18:20,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:20,892 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 109 transitions. [2025-01-10 02:18:20,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 02:18:20,893 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:20,893 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 02:18:20,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 02:18:20,894 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:20,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:20,894 INFO L85 PathProgramCache]: Analyzing trace with hash 889568326, now seen corresponding path program 1 times [2025-01-10 02:18:20,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:20,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156358942] [2025-01-10 02:18:20,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:20,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:20,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 02:18:20,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 02:18:20,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:20,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:20,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:20,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:20,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156358942] [2025-01-10 02:18:20,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156358942] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:20,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:20,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:18:20,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084039427] [2025-01-10 02:18:20,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:20,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:20,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:20,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:20,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:20,991 INFO L87 Difference]: Start difference. First operand 104 states and 109 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:21,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:21,023 INFO L93 Difference]: Finished difference Result 104 states and 109 transitions. [2025-01-10 02:18:21,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:21,024 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-01-10 02:18:21,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:21,024 INFO L225 Difference]: With dead ends: 104 [2025-01-10 02:18:21,024 INFO L226 Difference]: Without dead ends: 103 [2025-01-10 02:18:21,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 02:18:21,025 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 105 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:21,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 203 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:18:21,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2025-01-10 02:18:21,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2025-01-10 02:18:21,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.8245614035087718) internal successors, (104), 99 states have internal predecessors, (104), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:18:21,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 108 transitions. [2025-01-10 02:18:21,031 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 108 transitions. Word has length 6 [2025-01-10 02:18:21,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:21,031 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 108 transitions. [2025-01-10 02:18:21,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:21,031 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 108 transitions. [2025-01-10 02:18:21,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 02:18:21,031 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:21,031 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:21,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 02:18:21,032 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:21,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:21,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1806814377, now seen corresponding path program 1 times [2025-01-10 02:18:21,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:21,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166515394] [2025-01-10 02:18:21,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:21,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:21,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 02:18:21,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 02:18:21,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:21,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:21,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:21,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:21,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166515394] [2025-01-10 02:18:21,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166515394] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:21,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:21,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:18:21,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193700913] [2025-01-10 02:18:21,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:21,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:21,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:21,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:21,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:21,067 INFO L87 Difference]: Start difference. First operand 103 states and 108 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:21,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:21,093 INFO L93 Difference]: Finished difference Result 121 states and 126 transitions. [2025-01-10 02:18:21,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:18:21,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-01-10 02:18:21,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:21,094 INFO L225 Difference]: With dead ends: 121 [2025-01-10 02:18:21,094 INFO L226 Difference]: Without dead ends: 107 [2025-01-10 02:18:21,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 02:18:21,095 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 3 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:21,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 306 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:18:21,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2025-01-10 02:18:21,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2025-01-10 02:18:21,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 61 states have (on average 1.7704918032786885) internal successors, (108), 103 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:18:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 112 transitions. [2025-01-10 02:18:21,101 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 112 transitions. Word has length 7 [2025-01-10 02:18:21,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:21,101 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 112 transitions. [2025-01-10 02:18:21,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:21,101 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 112 transitions. [2025-01-10 02:18:21,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-01-10 02:18:21,101 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:21,101 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:21,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 02:18:21,102 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:21,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:21,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1181830318, now seen corresponding path program 1 times [2025-01-10 02:18:21,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:21,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223458182] [2025-01-10 02:18:21,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:21,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:21,106 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 02:18:21,121 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 02:18:21,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:21,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:21,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1057877819] [2025-01-10 02:18:21,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:21,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:21,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:21,129 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 02:18:21,131 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 02:18:21,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 02:18:21,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 02:18:21,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:21,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:21,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 02:18:21,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:21,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:21,346 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:21,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:21,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223458182] [2025-01-10 02:18:21,347 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:21,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057877819] [2025-01-10 02:18:21,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057877819] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:21,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:21,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:18:21,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189541286] [2025-01-10 02:18:21,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:21,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:18:21,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:21,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:18:21,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:18:21,353 INFO L87 Difference]: Start difference. First operand 107 states and 112 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:21,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:21,691 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2025-01-10 02:18:21,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:18:21,692 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-01-10 02:18:21,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:21,693 INFO L225 Difference]: With dead ends: 146 [2025-01-10 02:18:21,693 INFO L226 Difference]: Without dead ends: 135 [2025-01-10 02:18:21,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:18:21,694 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 160 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:21,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 154 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:18:21,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2025-01-10 02:18:21,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 130. [2025-01-10 02:18:21,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 84 states have (on average 1.6785714285714286) internal successors, (141), 124 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:18:21,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2025-01-10 02:18:21,701 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 9 [2025-01-10 02:18:21,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:21,701 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2025-01-10 02:18:21,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:21,701 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2025-01-10 02:18:21,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-01-10 02:18:21,701 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:21,701 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:21,708 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 02:18:21,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:21,906 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:21,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:21,907 INFO L85 PathProgramCache]: Analyzing trace with hash -2017965749, now seen corresponding path program 1 times [2025-01-10 02:18:21,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:21,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267086235] [2025-01-10 02:18:21,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:21,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:21,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 02:18:21,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 02:18:21,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:21,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:21,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1676633762] [2025-01-10 02:18:21,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:21,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:21,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:21,934 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 02:18:21,936 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 02:18:21,958 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 02:18:21,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 02:18:21,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:21,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:21,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 02:18:21,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:22,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:22,051 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:22,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:22,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267086235] [2025-01-10 02:18:22,051 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:22,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676633762] [2025-01-10 02:18:22,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676633762] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:22,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:22,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:18:22,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110830403] [2025-01-10 02:18:22,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:22,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:18:22,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:22,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:18:22,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:18:22,053 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:22,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:22,281 INFO L93 Difference]: Finished difference Result 180 states and 220 transitions. [2025-01-10 02:18:22,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:18:22,282 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-01-10 02:18:22,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:22,283 INFO L225 Difference]: With dead ends: 180 [2025-01-10 02:18:22,283 INFO L226 Difference]: Without dead ends: 162 [2025-01-10 02:18:22,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:18:22,284 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 172 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:22,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 141 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:18:22,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2025-01-10 02:18:22,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2025-01-10 02:18:22,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 111 states have (on average 1.6126126126126126) internal successors, (179), 149 states have internal predecessors, (179), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:18:22,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 189 transitions. [2025-01-10 02:18:22,292 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 189 transitions. Word has length 10 [2025-01-10 02:18:22,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:22,292 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 189 transitions. [2025-01-10 02:18:22,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:22,292 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 189 transitions. [2025-01-10 02:18:22,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-01-10 02:18:22,292 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:22,292 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:22,299 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 02:18:22,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:22,497 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:22,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:22,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1867571280, now seen corresponding path program 1 times [2025-01-10 02:18:22,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:22,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889478952] [2025-01-10 02:18:22,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:22,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:22,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-10 02:18:22,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-10 02:18:22,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:22,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:22,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1275275771] [2025-01-10 02:18:22,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:22,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:22,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:22,508 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 02:18:22,510 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 02:18:22,530 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-10 02:18:22,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-10 02:18:22,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:22,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:22,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 02:18:22,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:22,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:22,710 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:22,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:22,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889478952] [2025-01-10 02:18:22,710 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:22,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275275771] [2025-01-10 02:18:22,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275275771] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:22,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:22,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:18:22,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686307679] [2025-01-10 02:18:22,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:22,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:18:22,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:22,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:18:22,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:18:22,711 INFO L87 Difference]: Start difference. First operand 156 states and 189 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:22,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:22,940 INFO L93 Difference]: Finished difference Result 164 states and 196 transitions. [2025-01-10 02:18:22,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:18:22,940 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-01-10 02:18:22,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:22,941 INFO L225 Difference]: With dead ends: 164 [2025-01-10 02:18:22,942 INFO L226 Difference]: Without dead ends: 163 [2025-01-10 02:18:22,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:18:22,942 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 144 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:22,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 161 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:18:22,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2025-01-10 02:18:22,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 156. [2025-01-10 02:18:22,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 111 states have (on average 1.6036036036036037) internal successors, (178), 149 states have internal predecessors, (178), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:18:22,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 188 transitions. [2025-01-10 02:18:22,952 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 188 transitions. Word has length 11 [2025-01-10 02:18:22,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:22,952 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 188 transitions. [2025-01-10 02:18:22,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:22,952 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 188 transitions. [2025-01-10 02:18:22,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 02:18:22,952 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:22,953 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:22,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-10 02:18:23,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:23,157 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:23,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:23,157 INFO L85 PathProgramCache]: Analyzing trace with hash 2060134893, now seen corresponding path program 1 times [2025-01-10 02:18:23,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:23,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823142964] [2025-01-10 02:18:23,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:23,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:23,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 02:18:23,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 02:18:23,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:23,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:23,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [61951749] [2025-01-10 02:18:23,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:23,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:23,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:23,179 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 02:18:23,181 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 02:18:23,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 02:18:23,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 02:18:23,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:23,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:23,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 02:18:23,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:23,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:23,309 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:23,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:23,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823142964] [2025-01-10 02:18:23,309 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:23,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61951749] [2025-01-10 02:18:23,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61951749] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:23,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:23,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:18:23,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224532816] [2025-01-10 02:18:23,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:23,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:18:23,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:23,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:18:23,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:18:23,310 INFO L87 Difference]: Start difference. First operand 156 states and 188 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:23,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:23,516 INFO L93 Difference]: Finished difference Result 160 states and 188 transitions. [2025-01-10 02:18:23,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:18:23,517 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-01-10 02:18:23,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:23,517 INFO L225 Difference]: With dead ends: 160 [2025-01-10 02:18:23,517 INFO L226 Difference]: Without dead ends: 157 [2025-01-10 02:18:23,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:18:23,518 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 160 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:23,518 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 156 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:18:23,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2025-01-10 02:18:23,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 156. [2025-01-10 02:18:23,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 111 states have (on average 1.5675675675675675) internal successors, (174), 149 states have internal predecessors, (174), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:18:23,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2025-01-10 02:18:23,525 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 12 [2025-01-10 02:18:23,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:23,525 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2025-01-10 02:18:23,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:23,526 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2025-01-10 02:18:23,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 02:18:23,526 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:23,526 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:23,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-10 02:18:23,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-01-10 02:18:23,730 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:23,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:23,730 INFO L85 PathProgramCache]: Analyzing trace with hash -560327694, now seen corresponding path program 1 times [2025-01-10 02:18:23,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:23,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380216896] [2025-01-10 02:18:23,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:23,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:23,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 02:18:23,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 02:18:23,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:23,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:23,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:23,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:23,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380216896] [2025-01-10 02:18:23,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380216896] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:23,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:23,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:23,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308613652] [2025-01-10 02:18:23,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:23,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:23,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:23,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:23,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:23,848 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:24,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:24,140 INFO L93 Difference]: Finished difference Result 258 states and 303 transitions. [2025-01-10 02:18:24,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:24,140 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-01-10 02:18:24,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:24,141 INFO L225 Difference]: With dead ends: 258 [2025-01-10 02:18:24,142 INFO L226 Difference]: Without dead ends: 257 [2025-01-10 02:18:24,142 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 02:18:24,142 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 95 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:24,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 158 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:18:24,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2025-01-10 02:18:24,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 180. [2025-01-10 02:18:24,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 134 states have (on average 1.5746268656716418) internal successors, (211), 172 states have internal predecessors, (211), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:18:24,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 223 transitions. [2025-01-10 02:18:24,151 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 223 transitions. Word has length 13 [2025-01-10 02:18:24,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:24,151 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 223 transitions. [2025-01-10 02:18:24,151 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:24,151 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 223 transitions. [2025-01-10 02:18:24,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-01-10 02:18:24,152 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:24,152 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:24,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 02:18:24,152 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:24,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:24,152 INFO L85 PathProgramCache]: Analyzing trace with hash -190289265, now seen corresponding path program 1 times [2025-01-10 02:18:24,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:24,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010639839] [2025-01-10 02:18:24,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:24,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:24,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 02:18:24,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 02:18:24,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:24,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:24,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:24,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:24,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010639839] [2025-01-10 02:18:24,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010639839] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:24,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:24,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:24,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124100459] [2025-01-10 02:18:24,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:24,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:24,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:24,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:24,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:24,213 INFO L87 Difference]: Start difference. First operand 180 states and 223 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:24,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:24,770 INFO L93 Difference]: Finished difference Result 258 states and 301 transitions. [2025-01-10 02:18:24,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:24,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-01-10 02:18:24,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:24,771 INFO L225 Difference]: With dead ends: 258 [2025-01-10 02:18:24,771 INFO L226 Difference]: Without dead ends: 257 [2025-01-10 02:18:24,772 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 02:18:24,772 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 74 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:24,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 188 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:18:24,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2025-01-10 02:18:24,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 180. [2025-01-10 02:18:24,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 134 states have (on average 1.5597014925373134) internal successors, (209), 172 states have internal predecessors, (209), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:18:24,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 221 transitions. [2025-01-10 02:18:24,785 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 221 transitions. Word has length 14 [2025-01-10 02:18:24,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:24,786 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 221 transitions. [2025-01-10 02:18:24,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:18:24,786 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 221 transitions. [2025-01-10 02:18:24,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-01-10 02:18:24,786 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:24,786 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 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 02:18:24,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-10 02:18:24,787 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:24,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:24,787 INFO L85 PathProgramCache]: Analyzing trace with hash -628649118, now seen corresponding path program 1 times [2025-01-10 02:18:24,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:24,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977517777] [2025-01-10 02:18:24,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:24,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:24,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 02:18:24,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 02:18:24,806 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:24,806 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:24,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:24,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:24,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977517777] [2025-01-10 02:18:24,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977517777] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:24,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:24,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:18:24,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246281625] [2025-01-10 02:18:24,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:24,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:18:24,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:24,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:18:24,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:18:24,879 INFO L87 Difference]: Start difference. First operand 180 states and 221 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:24,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:24,977 INFO L93 Difference]: Finished difference Result 257 states and 322 transitions. [2025-01-10 02:18:24,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:18:24,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2025-01-10 02:18:24,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:24,979 INFO L225 Difference]: With dead ends: 257 [2025-01-10 02:18:24,979 INFO L226 Difference]: Without dead ends: 255 [2025-01-10 02:18:24,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:18:24,979 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 56 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:24,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 159 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:18:24,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2025-01-10 02:18:24,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 229. [2025-01-10 02:18:24,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 182 states have (on average 1.6318681318681318) internal successors, (297), 220 states have internal predecessors, (297), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 02:18:24,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 311 transitions. [2025-01-10 02:18:24,986 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 311 transitions. Word has length 28 [2025-01-10 02:18:24,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:24,986 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 311 transitions. [2025-01-10 02:18:24,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 311 transitions. [2025-01-10 02:18:24,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-01-10 02:18:24,987 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:24,987 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 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 02:18:24,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-10 02:18:24,987 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:24,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:24,988 INFO L85 PathProgramCache]: Analyzing trace with hash -200135375, now seen corresponding path program 1 times [2025-01-10 02:18:24,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:24,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654117433] [2025-01-10 02:18:24,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:24,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:24,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 02:18:25,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 02:18:25,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:25,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:25,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1269716099] [2025-01-10 02:18:25,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:25,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:25,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:25,011 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 02:18:25,012 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 02:18:25,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 02:18:25,040 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 02:18:25,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:25,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:25,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:18:25,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:25,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:25,099 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:25,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:25,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654117433] [2025-01-10 02:18:25,099 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:25,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269716099] [2025-01-10 02:18:25,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269716099] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:25,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:25,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:25,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467484996] [2025-01-10 02:18:25,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:25,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:25,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:25,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:25,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:25,101 INFO L87 Difference]: Start difference. First operand 229 states and 311 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:25,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:25,280 INFO L93 Difference]: Finished difference Result 280 states and 382 transitions. [2025-01-10 02:18:25,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:25,281 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2025-01-10 02:18:25,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:25,282 INFO L225 Difference]: With dead ends: 280 [2025-01-10 02:18:25,282 INFO L226 Difference]: Without dead ends: 276 [2025-01-10 02:18:25,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 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 02:18:25,283 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 165 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:25,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 103 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:18:25,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-01-10 02:18:25,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 257. [2025-01-10 02:18:25,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 209 states have (on average 1.631578947368421) internal successors, (341), 247 states have internal predecessors, (341), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:18:25,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 357 transitions. [2025-01-10 02:18:25,290 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 357 transitions. Word has length 28 [2025-01-10 02:18:25,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:25,290 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 357 transitions. [2025-01-10 02:18:25,290 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:25,291 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 357 transitions. [2025-01-10 02:18:25,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-10 02:18:25,291 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:25,291 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 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 02:18:25,297 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 02:18:25,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-01-10 02:18:25,492 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:25,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:25,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1970615398, now seen corresponding path program 1 times [2025-01-10 02:18:25,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:25,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427746931] [2025-01-10 02:18:25,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:25,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:25,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 02:18:25,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 02:18:25,500 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:25,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:25,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:25,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:25,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427746931] [2025-01-10 02:18:25,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427746931] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:25,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:25,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:25,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691605215] [2025-01-10 02:18:25,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:25,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:25,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:25,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:25,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:25,544 INFO L87 Difference]: Start difference. First operand 257 states and 357 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:25,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:25,686 INFO L93 Difference]: Finished difference Result 340 states and 449 transitions. [2025-01-10 02:18:25,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:25,686 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2025-01-10 02:18:25,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:25,688 INFO L225 Difference]: With dead ends: 340 [2025-01-10 02:18:25,688 INFO L226 Difference]: Without dead ends: 339 [2025-01-10 02:18:25,688 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 02:18:25,688 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 63 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:25,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 226 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:18:25,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-01-10 02:18:25,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 267. [2025-01-10 02:18:25,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 219 states have (on average 1.6255707762557077) internal successors, (356), 257 states have internal predecessors, (356), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:18:25,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 372 transitions. [2025-01-10 02:18:25,695 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 372 transitions. Word has length 29 [2025-01-10 02:18:25,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:25,695 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 372 transitions. [2025-01-10 02:18:25,696 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:25,696 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 372 transitions. [2025-01-10 02:18:25,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-10 02:18:25,696 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:25,696 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 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 02:18:25,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-10 02:18:25,696 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:25,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:25,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1909229209, now seen corresponding path program 1 times [2025-01-10 02:18:25,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:25,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349874180] [2025-01-10 02:18:25,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:25,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:25,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 02:18:25,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 02:18:25,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:25,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:25,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1908285582] [2025-01-10 02:18:25,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:25,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:25,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:25,712 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 02:18:25,714 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 02:18:25,734 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 02:18:25,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 02:18:25,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:25,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:25,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:18:25,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:25,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:25,794 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:25,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:25,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349874180] [2025-01-10 02:18:25,794 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:25,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908285582] [2025-01-10 02:18:25,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908285582] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:25,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:25,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:25,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145780069] [2025-01-10 02:18:25,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:25,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:25,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:25,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:25,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:25,795 INFO L87 Difference]: Start difference. First operand 267 states and 372 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:25,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:25,946 INFO L93 Difference]: Finished difference Result 283 states and 379 transitions. [2025-01-10 02:18:25,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:25,947 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2025-01-10 02:18:25,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:25,948 INFO L225 Difference]: With dead ends: 283 [2025-01-10 02:18:25,948 INFO L226 Difference]: Without dead ends: 279 [2025-01-10 02:18:25,948 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 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 02:18:25,949 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 201 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:25,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 86 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:18:25,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2025-01-10 02:18:25,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 267. [2025-01-10 02:18:25,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 219 states have (on average 1.6027397260273972) internal successors, (351), 257 states have internal predecessors, (351), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:18:25,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 367 transitions. [2025-01-10 02:18:25,964 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 367 transitions. Word has length 29 [2025-01-10 02:18:25,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:25,964 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 367 transitions. [2025-01-10 02:18:25,964 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:25,964 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 367 transitions. [2025-01-10 02:18:25,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 02:18:25,964 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:25,965 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 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 02:18:25,979 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 02:18:26,165 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,SelfDestructingSolverStorable12 [2025-01-10 02:18:26,169 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:26,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:26,169 INFO L85 PathProgramCache]: Analyzing trace with hash 959535301, now seen corresponding path program 1 times [2025-01-10 02:18:26,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:26,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516585799] [2025-01-10 02:18:26,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:26,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:26,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:18:26,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:18:26,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:26,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:26,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:26,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:26,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516585799] [2025-01-10 02:18:26,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516585799] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:26,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:26,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:26,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593374264] [2025-01-10 02:18:26,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:26,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:26,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:26,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:26,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:26,326 INFO L87 Difference]: Start difference. First operand 267 states and 367 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:26,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:26,755 INFO L93 Difference]: Finished difference Result 340 states and 441 transitions. [2025-01-10 02:18:26,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:26,756 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2025-01-10 02:18:26,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:26,757 INFO L225 Difference]: With dead ends: 340 [2025-01-10 02:18:26,757 INFO L226 Difference]: Without dead ends: 339 [2025-01-10 02:18:26,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:26,758 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 62 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:26,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 216 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:18:26,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-01-10 02:18:26,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 269. [2025-01-10 02:18:26,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 221 states have (on average 1.5972850678733033) internal successors, (353), 259 states have internal predecessors, (353), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:18:26,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 369 transitions. [2025-01-10 02:18:26,765 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 369 transitions. Word has length 30 [2025-01-10 02:18:26,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:26,766 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 369 transitions. [2025-01-10 02:18:26,766 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:26,766 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 369 transitions. [2025-01-10 02:18:26,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 02:18:26,766 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:26,766 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 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 02:18:26,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-10 02:18:26,767 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:26,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:26,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1357605171, now seen corresponding path program 1 times [2025-01-10 02:18:26,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:26,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759411991] [2025-01-10 02:18:26,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:26,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:26,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:18:26,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:18:26,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:26,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:26,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:26,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:26,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759411991] [2025-01-10 02:18:26,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759411991] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:26,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:26,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 02:18:26,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912736095] [2025-01-10 02:18:26,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:26,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:18:26,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:26,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:18:26,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:18:26,864 INFO L87 Difference]: Start difference. First operand 269 states and 369 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:27,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:27,125 INFO L93 Difference]: Finished difference Result 381 states and 545 transitions. [2025-01-10 02:18:27,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:18:27,125 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2025-01-10 02:18:27,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:27,127 INFO L225 Difference]: With dead ends: 381 [2025-01-10 02:18:27,127 INFO L226 Difference]: Without dead ends: 379 [2025-01-10 02:18:27,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:18:27,127 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 286 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:27,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 87 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:18:27,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-01-10 02:18:27,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 275. [2025-01-10 02:18:27,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 227 states have (on average 1.5859030837004404) internal successors, (360), 265 states have internal predecessors, (360), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:18:27,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 376 transitions. [2025-01-10 02:18:27,136 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 376 transitions. Word has length 30 [2025-01-10 02:18:27,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:27,136 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 376 transitions. [2025-01-10 02:18:27,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:27,136 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 376 transitions. [2025-01-10 02:18:27,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 02:18:27,137 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:27,137 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 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 02:18:27,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-10 02:18:27,137 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:27,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:27,137 INFO L85 PathProgramCache]: Analyzing trace with hash 943436787, now seen corresponding path program 1 times [2025-01-10 02:18:27,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:27,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365810013] [2025-01-10 02:18:27,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:27,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:27,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:18:27,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:18:27,150 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:27,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:27,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:27,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:27,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365810013] [2025-01-10 02:18:27,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365810013] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:27,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:27,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:27,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472776049] [2025-01-10 02:18:27,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:27,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:27,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:27,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:27,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:27,202 INFO L87 Difference]: Start difference. First operand 275 states and 376 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:27,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:27,338 INFO L93 Difference]: Finished difference Result 340 states and 437 transitions. [2025-01-10 02:18:27,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:27,339 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2025-01-10 02:18:27,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:27,340 INFO L225 Difference]: With dead ends: 340 [2025-01-10 02:18:27,340 INFO L226 Difference]: Without dead ends: 339 [2025-01-10 02:18:27,340 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 02:18:27,341 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 63 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:27,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 216 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:18:27,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-01-10 02:18:27,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 284. [2025-01-10 02:18:27,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 236 states have (on average 1.5847457627118644) internal successors, (374), 274 states have internal predecessors, (374), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:18:27,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 390 transitions. [2025-01-10 02:18:27,348 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 390 transitions. Word has length 30 [2025-01-10 02:18:27,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:27,348 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 390 transitions. [2025-01-10 02:18:27,348 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:27,348 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 390 transitions. [2025-01-10 02:18:27,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-01-10 02:18:27,349 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:27,349 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 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 02:18:27,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-01-10 02:18:27,349 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:27,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:27,349 INFO L85 PathProgramCache]: Analyzing trace with hash -863912521, now seen corresponding path program 1 times [2025-01-10 02:18:27,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:27,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249873093] [2025-01-10 02:18:27,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:27,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:27,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:18:27,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:18:27,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:27,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:27,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:27,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:27,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249873093] [2025-01-10 02:18:27,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249873093] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:27,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:27,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 02:18:27,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312479848] [2025-01-10 02:18:27,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:27,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:18:27,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:27,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:18:27,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:18:27,405 INFO L87 Difference]: Start difference. First operand 284 states and 390 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:27,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:27,638 INFO L93 Difference]: Finished difference Result 292 states and 397 transitions. [2025-01-10 02:18:27,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:18:27,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2025-01-10 02:18:27,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:27,639 INFO L225 Difference]: With dead ends: 292 [2025-01-10 02:18:27,639 INFO L226 Difference]: Without dead ends: 290 [2025-01-10 02:18:27,640 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:18:27,640 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 215 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:27,640 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 100 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:18:27,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2025-01-10 02:18:27,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 284. [2025-01-10 02:18:27,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 236 states have (on average 1.5720338983050848) internal successors, (371), 274 states have internal predecessors, (371), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:18:27,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 387 transitions. [2025-01-10 02:18:27,648 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 387 transitions. Word has length 31 [2025-01-10 02:18:27,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:27,648 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 387 transitions. [2025-01-10 02:18:27,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:27,648 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 387 transitions. [2025-01-10 02:18:27,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-01-10 02:18:27,649 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:27,649 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 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 02:18:27,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-10 02:18:27,649 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:27,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:27,649 INFO L85 PathProgramCache]: Analyzing trace with hash -818230551, now seen corresponding path program 1 times [2025-01-10 02:18:27,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:27,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107915362] [2025-01-10 02:18:27,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:27,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:27,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:18:27,656 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:18:27,656 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:27,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:27,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:27,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:27,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107915362] [2025-01-10 02:18:27,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107915362] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:27,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:27,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:27,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421774910] [2025-01-10 02:18:27,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:27,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:27,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:27,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:27,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:27,702 INFO L87 Difference]: Start difference. First operand 284 states and 387 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:28,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:28,103 INFO L93 Difference]: Finished difference Result 340 states and 431 transitions. [2025-01-10 02:18:28,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:28,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2025-01-10 02:18:28,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:28,104 INFO L225 Difference]: With dead ends: 340 [2025-01-10 02:18:28,104 INFO L226 Difference]: Without dead ends: 339 [2025-01-10 02:18:28,105 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 02:18:28,105 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 61 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:28,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 235 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:18:28,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-01-10 02:18:28,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 286. [2025-01-10 02:18:28,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 238 states have (on average 1.5672268907563025) internal successors, (373), 276 states have internal predecessors, (373), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:18:28,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 389 transitions. [2025-01-10 02:18:28,128 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 389 transitions. Word has length 31 [2025-01-10 02:18:28,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:28,128 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 389 transitions. [2025-01-10 02:18:28,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:28,128 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 389 transitions. [2025-01-10 02:18:28,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-10 02:18:28,129 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:28,129 INFO L218 NwaCegarLoop]: trace histogram [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 02:18:28,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-01-10 02:18:28,129 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:28,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:28,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1544856277, now seen corresponding path program 1 times [2025-01-10 02:18:28,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:28,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710235704] [2025-01-10 02:18:28,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:28,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:28,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:18:28,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:18:28,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:28,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:28,171 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:28,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:28,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710235704] [2025-01-10 02:18:28,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710235704] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:18:28,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355475097] [2025-01-10 02:18:28,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:28,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:28,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:28,173 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 02:18:28,175 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 02:18:28,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:18:28,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:18:28,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:28,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:28,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:18:28,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:28,234 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:18:28,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:28,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355475097] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:18:28,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:18:28,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2025-01-10 02:18:28,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799589457] [2025-01-10 02:18:28,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:18:28,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 02:18:28,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:28,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 02:18:28,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:18:28,289 INFO L87 Difference]: Start difference. First operand 286 states and 389 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (3), 2 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 02:18:28,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:28,394 INFO L93 Difference]: Finished difference Result 773 states and 1048 transitions. [2025-01-10 02:18:28,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 02:18:28,394 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (3), 2 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 32 [2025-01-10 02:18:28,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:28,396 INFO L225 Difference]: With dead ends: 773 [2025-01-10 02:18:28,396 INFO L226 Difference]: Without dead ends: 757 [2025-01-10 02:18:28,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:18:28,397 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 295 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:28,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 637 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:18:28,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2025-01-10 02:18:28,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 671. [2025-01-10 02:18:28,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 607 states have (on average 1.5897858319604612) internal successors, (965), 649 states have internal predecessors, (965), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 17 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 02:18:28,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 1007 transitions. [2025-01-10 02:18:28,417 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 1007 transitions. Word has length 32 [2025-01-10 02:18:28,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:28,417 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 1007 transitions. [2025-01-10 02:18:28,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (3), 2 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 02:18:28,418 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1007 transitions. [2025-01-10 02:18:28,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-01-10 02:18:28,418 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:28,418 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:28,424 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 02:18:28,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:28,622 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:28,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:28,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1451800614, now seen corresponding path program 1 times [2025-01-10 02:18:28,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:28,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336477705] [2025-01-10 02:18:28,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:28,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:28,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 02:18:28,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:18:28,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:28,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:28,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [199391489] [2025-01-10 02:18:28,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:28,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:28,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:28,643 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 02:18:28,645 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 02:18:28,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 02:18:28,675 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:18:28,675 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:28,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:28,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 02:18:28,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:29,152 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:18:30,055 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:30,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:30,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336477705] [2025-01-10 02:18:30,055 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:30,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199391489] [2025-01-10 02:18:30,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199391489] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:18:30,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:18:30,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2025-01-10 02:18:30,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437665250] [2025-01-10 02:18:30,056 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:18:30,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 02:18:30,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:30,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 02:18:30,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:18:30,057 INFO L87 Difference]: Start difference. First operand 671 states and 1007 transitions. Second operand has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:18:35,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-01-10 02:18:39,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-01-10 02:18:40,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:40,004 INFO L93 Difference]: Finished difference Result 1098 states and 1658 transitions. [2025-01-10 02:18:40,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-10 02:18:40,005 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2025-01-10 02:18:40,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:40,010 INFO L225 Difference]: With dead ends: 1098 [2025-01-10 02:18:40,010 INFO L226 Difference]: Without dead ends: 1054 [2025-01-10 02:18:40,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=323, Invalid=669, Unknown=0, NotChecked=0, Total=992 [2025-01-10 02:18:40,013 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 517 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 892 mSolverCounterSat, 89 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 892 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:40,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 175 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 892 Invalid, 2 Unknown, 0 Unchecked, 9.4s Time] [2025-01-10 02:18:40,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2025-01-10 02:18:40,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 822. [2025-01-10 02:18:40,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 756 states have (on average 1.5145502645502646) internal successors, (1145), 796 states have internal predecessors, (1145), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 21 states have call predecessors, (24), 24 states have call successors, (24) [2025-01-10 02:18:40,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1193 transitions. [2025-01-10 02:18:40,075 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1193 transitions. Word has length 34 [2025-01-10 02:18:40,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:40,075 INFO L471 AbstractCegarLoop]: Abstraction has 822 states and 1193 transitions. [2025-01-10 02:18:40,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:18:40,075 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1193 transitions. [2025-01-10 02:18:40,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-01-10 02:18:40,075 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:40,076 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:18:40,084 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 02:18:40,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:40,277 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:40,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:40,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1373736393, now seen corresponding path program 1 times [2025-01-10 02:18:40,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:40,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380826140] [2025-01-10 02:18:40,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:40,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:40,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 02:18:40,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:18:40,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:40,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:40,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [22029279] [2025-01-10 02:18:40,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:40,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:40,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:40,301 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 02:18:40,302 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 02:18:40,327 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 02:18:40,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:18:40,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:40,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:40,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:18:40,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:40,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:40,479 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:40,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:40,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380826140] [2025-01-10 02:18:40,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:40,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22029279] [2025-01-10 02:18:40,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22029279] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:40,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:40,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 02:18:40,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634328048] [2025-01-10 02:18:40,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:40,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:18:40,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:40,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:18:40,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:18:40,480 INFO L87 Difference]: Start difference. First operand 822 states and 1193 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:40,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:40,886 INFO L93 Difference]: Finished difference Result 967 states and 1411 transitions. [2025-01-10 02:18:40,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:18:40,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2025-01-10 02:18:40,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:40,889 INFO L225 Difference]: With dead ends: 967 [2025-01-10 02:18:40,889 INFO L226 Difference]: Without dead ends: 960 [2025-01-10 02:18:40,890 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:18:40,890 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 221 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:40,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 121 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:18:40,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2025-01-10 02:18:40,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 823. [2025-01-10 02:18:40,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 758 states have (on average 1.4973614775725594) internal successors, (1135), 798 states have internal predecessors, (1135), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 20 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 02:18:40,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1181 transitions. [2025-01-10 02:18:40,944 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1181 transitions. Word has length 34 [2025-01-10 02:18:40,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:40,945 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 1181 transitions. [2025-01-10 02:18:40,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:40,945 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1181 transitions. [2025-01-10 02:18:40,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-01-10 02:18:40,945 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:40,946 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:40,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-10 02:18:41,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:41,147 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:41,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:41,147 INFO L85 PathProgramCache]: Analyzing trace with hash -2056146017, now seen corresponding path program 1 times [2025-01-10 02:18:41,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:41,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095355847] [2025-01-10 02:18:41,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:41,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:41,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 02:18:41,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 02:18:41,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:41,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:41,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1016461498] [2025-01-10 02:18:41,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:41,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:41,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:41,162 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 02:18:41,164 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 02:18:41,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 02:18:41,196 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 02:18:41,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:41,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:41,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 02:18:41,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:41,483 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:41,483 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:18:42,596 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:42,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:42,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095355847] [2025-01-10 02:18:42,597 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:42,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016461498] [2025-01-10 02:18:42,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016461498] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:18:42,597 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:18:42,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2025-01-10 02:18:42,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502123403] [2025-01-10 02:18:42,597 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:18:42,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 02:18:42,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:42,598 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 02:18:42,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:18:42,598 INFO L87 Difference]: Start difference. First operand 823 states and 1181 transitions. Second operand has 15 states, 14 states have (on average 4.428571428571429) internal successors, (62), 15 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:18:44,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:44,514 INFO L93 Difference]: Finished difference Result 1218 states and 1780 transitions. [2025-01-10 02:18:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-10 02:18:44,515 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.428571428571429) internal successors, (62), 15 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 35 [2025-01-10 02:18:44,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:44,518 INFO L225 Difference]: With dead ends: 1218 [2025-01-10 02:18:44,518 INFO L226 Difference]: Without dead ends: 1178 [2025-01-10 02:18:44,518 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=283, Invalid=587, Unknown=0, NotChecked=0, Total=870 [2025-01-10 02:18:44,520 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 761 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:44,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [762 Valid, 122 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-01-10 02:18:44,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2025-01-10 02:18:44,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 888. [2025-01-10 02:18:44,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 824 states have (on average 1.4575242718446602) internal successors, (1201), 863 states have internal predecessors, (1201), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:18:44,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1245 transitions. [2025-01-10 02:18:44,569 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1245 transitions. Word has length 35 [2025-01-10 02:18:44,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:44,569 INFO L471 AbstractCegarLoop]: Abstraction has 888 states and 1245 transitions. [2025-01-10 02:18:44,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.428571428571429) internal successors, (62), 15 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:18:44,569 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1245 transitions. [2025-01-10 02:18:44,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-01-10 02:18:44,569 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:44,569 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:18:44,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-10 02:18:44,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:44,770 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:44,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:44,771 INFO L85 PathProgramCache]: Analyzing trace with hash 363844923, now seen corresponding path program 1 times [2025-01-10 02:18:44,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:44,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670249202] [2025-01-10 02:18:44,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:44,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:44,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 02:18:44,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 02:18:44,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:44,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:44,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [845206485] [2025-01-10 02:18:44,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:44,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:44,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:44,785 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 02:18:44,787 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 02:18:44,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 02:18:44,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 02:18:44,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:44,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:44,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:18:44,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:44,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:44,968 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:44,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:44,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670249202] [2025-01-10 02:18:44,969 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:44,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845206485] [2025-01-10 02:18:44,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845206485] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:44,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:44,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 02:18:44,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421282792] [2025-01-10 02:18:44,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:44,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:18:44,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:44,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:18:44,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:18:44,970 INFO L87 Difference]: Start difference. First operand 888 states and 1245 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:45,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:45,333 INFO L93 Difference]: Finished difference Result 903 states and 1257 transitions. [2025-01-10 02:18:45,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:18:45,333 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2025-01-10 02:18:45,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:45,336 INFO L225 Difference]: With dead ends: 903 [2025-01-10 02:18:45,336 INFO L226 Difference]: Without dead ends: 898 [2025-01-10 02:18:45,337 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:18:45,337 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 239 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:45,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 98 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:18:45,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2025-01-10 02:18:45,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 882. [2025-01-10 02:18:45,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 882 states, 818 states have (on average 1.4327628361858191) internal successors, (1172), 857 states have internal predecessors, (1172), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:18:45,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1216 transitions. [2025-01-10 02:18:45,379 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1216 transitions. Word has length 35 [2025-01-10 02:18:45,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:45,379 INFO L471 AbstractCegarLoop]: Abstraction has 882 states and 1216 transitions. [2025-01-10 02:18:45,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:45,380 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1216 transitions. [2025-01-10 02:18:45,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-01-10 02:18:45,380 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:45,380 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:45,386 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 02:18:45,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-01-10 02:18:45,581 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:45,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:45,581 INFO L85 PathProgramCache]: Analyzing trace with hash 683982972, now seen corresponding path program 1 times [2025-01-10 02:18:45,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:45,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201598368] [2025-01-10 02:18:45,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:45,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:45,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-10 02:18:45,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 02:18:45,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:45,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:45,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [845631058] [2025-01-10 02:18:45,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:45,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:45,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:45,601 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 02:18:45,603 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 02:18:45,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-10 02:18:45,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 02:18:45,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:45,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:45,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 02:18:45,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:45,911 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:45,911 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:18:46,759 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:46,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:46,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201598368] [2025-01-10 02:18:46,760 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:46,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845631058] [2025-01-10 02:18:46,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845631058] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:18:46,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:18:46,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2025-01-10 02:18:46,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721319649] [2025-01-10 02:18:46,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:46,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:18:46,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:46,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:18:46,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:18:46,761 INFO L87 Difference]: Start difference. First operand 882 states and 1216 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:47,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:47,914 INFO L93 Difference]: Finished difference Result 901 states and 1236 transitions. [2025-01-10 02:18:47,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:18:47,914 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2025-01-10 02:18:47,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:47,917 INFO L225 Difference]: With dead ends: 901 [2025-01-10 02:18:47,917 INFO L226 Difference]: Without dead ends: 900 [2025-01-10 02:18:47,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:18:47,918 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 18 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:47,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 124 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-01-10 02:18:47,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2025-01-10 02:18:47,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 899. [2025-01-10 02:18:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 835 states have (on average 1.4191616766467066) internal successors, (1185), 874 states have internal predecessors, (1185), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:18:47,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1229 transitions. [2025-01-10 02:18:47,961 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1229 transitions. Word has length 36 [2025-01-10 02:18:47,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:47,961 INFO L471 AbstractCegarLoop]: Abstraction has 899 states and 1229 transitions. [2025-01-10 02:18:47,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:47,961 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1229 transitions. [2025-01-10 02:18:47,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-01-10 02:18:47,961 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:47,961 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:18:47,967 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 02:18:48,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:48,167 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:48,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:48,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1605709127, now seen corresponding path program 1 times [2025-01-10 02:18:48,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:48,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010517923] [2025-01-10 02:18:48,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:48,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:48,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-10 02:18:48,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 02:18:48,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:48,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:48,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:48,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:48,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010517923] [2025-01-10 02:18:48,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010517923] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:48,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:48,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:48,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931233439] [2025-01-10 02:18:48,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:48,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:48,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:48,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:48,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:48,230 INFO L87 Difference]: Start difference. First operand 899 states and 1229 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:48,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:48,462 INFO L93 Difference]: Finished difference Result 939 states and 1271 transitions. [2025-01-10 02:18:48,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:48,462 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2025-01-10 02:18:48,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:48,465 INFO L225 Difference]: With dead ends: 939 [2025-01-10 02:18:48,465 INFO L226 Difference]: Without dead ends: 938 [2025-01-10 02:18:48,465 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 02:18:48,465 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 35 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:48,465 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 193 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:18:48,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2025-01-10 02:18:48,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 921. [2025-01-10 02:18:48,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 857 states have (on average 1.4224037339556592) internal successors, (1219), 896 states have internal predecessors, (1219), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:18:48,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1263 transitions. [2025-01-10 02:18:48,503 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1263 transitions. Word has length 36 [2025-01-10 02:18:48,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:48,503 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1263 transitions. [2025-01-10 02:18:48,503 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:48,503 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1263 transitions. [2025-01-10 02:18:48,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-01-10 02:18:48,504 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:48,504 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:48,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-01-10 02:18:48,504 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:48,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:48,504 INFO L85 PathProgramCache]: Analyzing trace with hash -271364287, now seen corresponding path program 1 times [2025-01-10 02:18:48,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:48,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920191638] [2025-01-10 02:18:48,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:48,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:48,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:18:48,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:18:48,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:48,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:48,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1821349225] [2025-01-10 02:18:48,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:48,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:48,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:48,515 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 02:18:48,516 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 02:18:48,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:18:48,548 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:18:48,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:48,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:48,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 02:18:48,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:48,768 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:48,768 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:18:50,113 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:50,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:50,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920191638] [2025-01-10 02:18:50,114 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:50,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821349225] [2025-01-10 02:18:50,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821349225] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:18:50,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:18:50,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2025-01-10 02:18:50,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059241389] [2025-01-10 02:18:50,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:50,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:18:50,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:50,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:18:50,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:18:50,116 INFO L87 Difference]: Start difference. First operand 921 states and 1263 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:55,237 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 [] [2025-01-10 02:18:55,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:55,476 INFO L93 Difference]: Finished difference Result 925 states and 1267 transitions. [2025-01-10 02:18:55,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:18:55,476 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2025-01-10 02:18:55,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:55,479 INFO L225 Difference]: With dead ends: 925 [2025-01-10 02:18:55,479 INFO L226 Difference]: Without dead ends: 924 [2025-01-10 02:18:55,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:18:55,480 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 40 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:55,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 110 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 188 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2025-01-10 02:18:55,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2025-01-10 02:18:55,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 923. [2025-01-10 02:18:55,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 859 states have (on average 1.4155995343422585) internal successors, (1216), 898 states have internal predecessors, (1216), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:18:55,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1260 transitions. [2025-01-10 02:18:55,517 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1260 transitions. Word has length 37 [2025-01-10 02:18:55,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:55,517 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1260 transitions. [2025-01-10 02:18:55,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:55,518 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1260 transitions. [2025-01-10 02:18:55,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-01-10 02:18:55,518 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:55,518 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:55,528 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 02:18:55,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:55,719 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:55,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:55,720 INFO L85 PathProgramCache]: Analyzing trace with hash -947447729, now seen corresponding path program 1 times [2025-01-10 02:18:55,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:55,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9006526] [2025-01-10 02:18:55,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:55,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:55,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:18:55,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:18:55,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:55,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:55,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1454130719] [2025-01-10 02:18:55,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:55,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:55,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:55,731 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 02:18:55,734 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 02:18:55,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:18:55,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:18:55,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:55,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:55,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:18:55,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:55,911 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:55,911 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:55,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:55,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9006526] [2025-01-10 02:18:55,911 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:55,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454130719] [2025-01-10 02:18:55,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454130719] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:55,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:55,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-10 02:18:55,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060581660] [2025-01-10 02:18:55,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:55,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:18:55,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:55,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:18:55,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:18:55,912 INFO L87 Difference]: Start difference. First operand 923 states and 1260 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:56,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:56,327 INFO L93 Difference]: Finished difference Result 931 states and 1266 transitions. [2025-01-10 02:18:56,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 02:18:56,328 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2025-01-10 02:18:56,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:56,330 INFO L225 Difference]: With dead ends: 931 [2025-01-10 02:18:56,330 INFO L226 Difference]: Without dead ends: 930 [2025-01-10 02:18:56,330 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:18:56,330 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 158 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:56,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 207 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:18:56,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2025-01-10 02:18:56,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 923. [2025-01-10 02:18:56,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 859 states have (on average 1.4121071012805588) internal successors, (1213), 898 states have internal predecessors, (1213), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:18:56,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1257 transitions. [2025-01-10 02:18:56,370 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1257 transitions. Word has length 37 [2025-01-10 02:18:56,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:56,370 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1257 transitions. [2025-01-10 02:18:56,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:56,370 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1257 transitions. [2025-01-10 02:18:56,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-01-10 02:18:56,370 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:56,371 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:18:56,377 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 02:18:56,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-01-10 02:18:56,575 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:56,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:56,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1762624765, now seen corresponding path program 1 times [2025-01-10 02:18:56,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:56,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993256087] [2025-01-10 02:18:56,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:56,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:56,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-10 02:18:56,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:18:56,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:56,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:56,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:56,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:56,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993256087] [2025-01-10 02:18:56,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993256087] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:56,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:56,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:18:56,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837306842] [2025-01-10 02:18:56,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:56,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:18:56,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:56,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:18:56,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:18:56,630 INFO L87 Difference]: Start difference. First operand 923 states and 1257 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:56,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:56,870 INFO L93 Difference]: Finished difference Result 940 states and 1261 transitions. [2025-01-10 02:18:56,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:18:56,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2025-01-10 02:18:56,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:56,873 INFO L225 Difference]: With dead ends: 940 [2025-01-10 02:18:56,873 INFO L226 Difference]: Without dead ends: 939 [2025-01-10 02:18:56,874 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 02:18:56,874 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 33 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:56,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 185 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:18:56,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2025-01-10 02:18:56,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 925. [2025-01-10 02:18:56,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 861 states have (on average 1.4088269454123112) internal successors, (1213), 900 states have internal predecessors, (1213), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:18:56,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1257 transitions. [2025-01-10 02:18:56,912 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1257 transitions. Word has length 37 [2025-01-10 02:18:56,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:56,912 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1257 transitions. [2025-01-10 02:18:56,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:56,913 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1257 transitions. [2025-01-10 02:18:56,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 02:18:56,913 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:56,913 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:56,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-01-10 02:18:56,913 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:56,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:56,914 INFO L85 PathProgramCache]: Analyzing trace with hash -419187285, now seen corresponding path program 1 times [2025-01-10 02:18:56,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:56,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803864532] [2025-01-10 02:18:56,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:56,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:56,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:18:56,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:18:56,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:56,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:56,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1419976479] [2025-01-10 02:18:56,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:56,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:56,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:56,929 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 02:18:56,931 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 02:18:56,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 02:18:56,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 02:18:56,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:56,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:56,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 02:18:56,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:57,609 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:57,610 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:18:58,053 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:58,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:58,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803864532] [2025-01-10 02:18:58,054 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:58,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419976479] [2025-01-10 02:18:58,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419976479] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:18:58,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:18:58,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2025-01-10 02:18:58,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756044426] [2025-01-10 02:18:58,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:58,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:18:58,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:58,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:18:58,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:18:58,056 INFO L87 Difference]: Start difference. First operand 925 states and 1257 transitions. Second operand has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:59,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:59,031 INFO L93 Difference]: Finished difference Result 950 states and 1287 transitions. [2025-01-10 02:18:59,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:18:59,032 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2025-01-10 02:18:59,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:59,034 INFO L225 Difference]: With dead ends: 950 [2025-01-10 02:18:59,034 INFO L226 Difference]: Without dead ends: 949 [2025-01-10 02:18:59,035 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:18:59,035 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 29 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:59,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 182 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 02:18:59,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2025-01-10 02:18:59,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 948. [2025-01-10 02:18:59,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 884 states have (on average 1.3993212669683257) internal successors, (1237), 923 states have internal predecessors, (1237), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:18:59,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1281 transitions. [2025-01-10 02:18:59,074 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1281 transitions. Word has length 38 [2025-01-10 02:18:59,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:59,074 INFO L471 AbstractCegarLoop]: Abstraction has 948 states and 1281 transitions. [2025-01-10 02:18:59,074 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:59,074 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1281 transitions. [2025-01-10 02:18:59,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 02:18:59,075 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:59,075 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:59,081 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 02:18:59,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-01-10 02:18:59,279 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:18:59,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:18:59,279 INFO L85 PathProgramCache]: Analyzing trace with hash 35801137, now seen corresponding path program 1 times [2025-01-10 02:18:59,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:18:59,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47027393] [2025-01-10 02:18:59,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:59,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:18:59,286 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:18:59,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:18:59,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:59,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:18:59,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1652448782] [2025-01-10 02:18:59,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:18:59,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:18:59,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:18:59,302 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 02:18:59,304 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 02:18:59,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:18:59,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:18:59,351 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:18:59,351 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:18:59,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:18:59,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:18:59,600 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:18:59,603 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:18:59,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:18:59,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47027393] [2025-01-10 02:18:59,604 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:18:59,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652448782] [2025-01-10 02:18:59,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652448782] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:18:59,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:18:59,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 02:18:59,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686041894] [2025-01-10 02:18:59,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:18:59,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:18:59,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:18:59,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:18:59,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:18:59,605 INFO L87 Difference]: Start difference. First operand 948 states and 1281 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:59,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:18:59,936 INFO L93 Difference]: Finished difference Result 957 states and 1287 transitions. [2025-01-10 02:18:59,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:18:59,937 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2025-01-10 02:18:59,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:18:59,939 INFO L225 Difference]: With dead ends: 957 [2025-01-10 02:18:59,939 INFO L226 Difference]: Without dead ends: 955 [2025-01-10 02:18:59,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:18:59,940 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 180 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:18:59,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 219 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:18:59,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2025-01-10 02:18:59,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 948. [2025-01-10 02:18:59,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 884 states have (on average 1.3925339366515836) internal successors, (1231), 923 states have internal predecessors, (1231), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:18:59,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1275 transitions. [2025-01-10 02:18:59,980 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1275 transitions. Word has length 39 [2025-01-10 02:18:59,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:18:59,980 INFO L471 AbstractCegarLoop]: Abstraction has 948 states and 1275 transitions. [2025-01-10 02:18:59,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:18:59,980 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1275 transitions. [2025-01-10 02:18:59,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 02:18:59,980 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:18:59,980 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:18:59,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-10 02:19:00,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:00,185 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:19:00,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:00,186 INFO L85 PathProgramCache]: Analyzing trace with hash -109903886, now seen corresponding path program 1 times [2025-01-10 02:19:00,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:00,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422127701] [2025-01-10 02:19:00,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:00,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:00,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:19:00,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:19:00,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:00,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:00,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1934123773] [2025-01-10 02:19:00,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:00,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:00,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:00,207 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 02:19:00,208 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 02:19:00,227 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:19:00,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:19:00,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:00,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:00,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 02:19:00,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:00,765 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:00,766 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:01,894 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:01,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:01,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422127701] [2025-01-10 02:19:01,894 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:01,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934123773] [2025-01-10 02:19:01,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934123773] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:01,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:01,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2025-01-10 02:19:01,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565068597] [2025-01-10 02:19:01,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:01,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:19:01,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:01,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:19:01,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:19:01,895 INFO L87 Difference]: Start difference. First operand 948 states and 1275 transitions. Second operand has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:19:03,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:03,375 INFO L93 Difference]: Finished difference Result 956 states and 1287 transitions. [2025-01-10 02:19:03,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:19:03,376 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2025-01-10 02:19:03,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:03,380 INFO L225 Difference]: With dead ends: 956 [2025-01-10 02:19:03,380 INFO L226 Difference]: Without dead ends: 955 [2025-01-10 02:19:03,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:19:03,381 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 29 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:03,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 147 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-01-10 02:19:03,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2025-01-10 02:19:03,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 935. [2025-01-10 02:19:03,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 871 states have (on average 1.397244546498278) internal successors, (1217), 910 states have internal predecessors, (1217), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:19:03,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1261 transitions. [2025-01-10 02:19:03,423 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1261 transitions. Word has length 39 [2025-01-10 02:19:03,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:03,424 INFO L471 AbstractCegarLoop]: Abstraction has 935 states and 1261 transitions. [2025-01-10 02:19:03,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:19:03,424 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1261 transitions. [2025-01-10 02:19:03,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 02:19:03,424 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:03,424 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:03,433 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 02:19:03,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:03,628 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:19:03,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:03,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1109835312, now seen corresponding path program 1 times [2025-01-10 02:19:03,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:03,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62017485] [2025-01-10 02:19:03,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:03,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:03,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:19:03,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:19:03,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:03,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:03,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1285713417] [2025-01-10 02:19:03,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:03,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:03,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:03,653 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 02:19:03,655 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 02:19:03,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:19:03,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:19:03,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:03,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:03,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 02:19:03,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:03,932 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:03,932 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:04,272 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:04,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:04,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62017485] [2025-01-10 02:19:04,272 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:04,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285713417] [2025-01-10 02:19:04,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285713417] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:19:04,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:19:04,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-01-10 02:19:04,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133158980] [2025-01-10 02:19:04,272 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:04,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:19:04,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:04,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:19:04,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:19:04,273 INFO L87 Difference]: Start difference. First operand 935 states and 1261 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:06,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:06,225 INFO L93 Difference]: Finished difference Result 984 states and 1332 transitions. [2025-01-10 02:19:06,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 02:19:06,226 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2025-01-10 02:19:06,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:06,229 INFO L225 Difference]: With dead ends: 984 [2025-01-10 02:19:06,229 INFO L226 Difference]: Without dead ends: 982 [2025-01-10 02:19:06,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2025-01-10 02:19:06,231 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 486 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:06,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 162 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-01-10 02:19:06,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2025-01-10 02:19:06,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 965. [2025-01-10 02:19:06,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 901 states have (on average 1.3940066592674807) internal successors, (1256), 940 states have internal predecessors, (1256), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:19:06,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1300 transitions. [2025-01-10 02:19:06,295 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1300 transitions. Word has length 40 [2025-01-10 02:19:06,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:06,295 INFO L471 AbstractCegarLoop]: Abstraction has 965 states and 1300 transitions. [2025-01-10 02:19:06,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:06,295 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1300 transitions. [2025-01-10 02:19:06,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 02:19:06,296 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:06,296 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:06,304 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 02:19:06,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:06,497 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:19:06,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:06,497 INFO L85 PathProgramCache]: Analyzing trace with hash 887946893, now seen corresponding path program 1 times [2025-01-10 02:19:06,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:06,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580733491] [2025-01-10 02:19:06,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:06,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:06,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:19:06,507 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:19:06,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:06,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:06,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1574542777] [2025-01-10 02:19:06,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:06,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:06,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:06,510 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 02:19:06,515 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 02:19:06,540 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:19:06,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:19:06,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:06,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:06,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 02:19:06,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:06,917 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:06,918 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:07,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:07,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580733491] [2025-01-10 02:19:07,125 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:07,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574542777] [2025-01-10 02:19:07,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574542777] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:07,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:07,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2025-01-10 02:19:07,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799366499] [2025-01-10 02:19:07,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:07,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:19:07,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:07,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:19:07,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:19:07,126 INFO L87 Difference]: Start difference. First operand 965 states and 1300 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:19:07,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:07,703 INFO L93 Difference]: Finished difference Result 990 states and 1328 transitions. [2025-01-10 02:19:07,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:19:07,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2025-01-10 02:19:07,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:07,706 INFO L225 Difference]: With dead ends: 990 [2025-01-10 02:19:07,706 INFO L226 Difference]: Without dead ends: 989 [2025-01-10 02:19:07,706 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:19:07,707 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 114 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:07,707 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 118 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:19:07,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2025-01-10 02:19:07,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 988. [2025-01-10 02:19:07,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 988 states, 924 states have (on average 1.3831168831168832) internal successors, (1278), 963 states have internal predecessors, (1278), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:19:07,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1322 transitions. [2025-01-10 02:19:07,750 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1322 transitions. Word has length 40 [2025-01-10 02:19:07,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:07,751 INFO L471 AbstractCegarLoop]: Abstraction has 988 states and 1322 transitions. [2025-01-10 02:19:07,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:19:07,751 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1322 transitions. [2025-01-10 02:19:07,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-01-10 02:19:07,751 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:07,751 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:07,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-01-10 02:19:07,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:07,955 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:19:07,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:07,956 INFO L85 PathProgramCache]: Analyzing trace with hash -634376395, now seen corresponding path program 1 times [2025-01-10 02:19:07,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:07,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654399864] [2025-01-10 02:19:07,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:07,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:07,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 02:19:07,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 02:19:07,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:07,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:07,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [382040879] [2025-01-10 02:19:07,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:07,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:07,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:07,967 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 02:19:07,969 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 02:19:07,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 02:19:07,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 02:19:07,999 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:07,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:08,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 02:19:08,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:08,252 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:08,253 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:08,958 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:08,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:08,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654399864] [2025-01-10 02:19:08,959 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:08,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382040879] [2025-01-10 02:19:08,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382040879] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:19:08,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:19:08,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-01-10 02:19:08,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114876476] [2025-01-10 02:19:08,959 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:08,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 02:19:08,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:08,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 02:19:08,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2025-01-10 02:19:08,960 INFO L87 Difference]: Start difference. First operand 988 states and 1322 transitions. Second operand has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 14 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:11,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:11,431 INFO L93 Difference]: Finished difference Result 1054 states and 1407 transitions. [2025-01-10 02:19:11,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-10 02:19:11,432 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 14 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2025-01-10 02:19:11,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:11,434 INFO L225 Difference]: With dead ends: 1054 [2025-01-10 02:19:11,434 INFO L226 Difference]: Without dead ends: 1045 [2025-01-10 02:19:11,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=230, Invalid=472, Unknown=0, NotChecked=0, Total=702 [2025-01-10 02:19:11,435 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 540 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:11,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 179 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-01-10 02:19:11,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2025-01-10 02:19:11,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1019. [2025-01-10 02:19:11,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 955 states have (on average 1.3769633507853403) internal successors, (1315), 993 states have internal predecessors, (1315), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:19:11,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1359 transitions. [2025-01-10 02:19:11,485 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1359 transitions. Word has length 42 [2025-01-10 02:19:11,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:11,485 INFO L471 AbstractCegarLoop]: Abstraction has 1019 states and 1359 transitions. [2025-01-10 02:19:11,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 14 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:11,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1359 transitions. [2025-01-10 02:19:11,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-01-10 02:19:11,486 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:11,486 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:11,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-01-10 02:19:11,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:11,690 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:19:11,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:11,690 INFO L85 PathProgramCache]: Analyzing trace with hash 249642263, now seen corresponding path program 1 times [2025-01-10 02:19:11,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:11,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823067726] [2025-01-10 02:19:11,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:11,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:11,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-10 02:19:11,709 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 02:19:11,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:11,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:11,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1918827662] [2025-01-10 02:19:11,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:11,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:11,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:11,712 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 02:19:11,713 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 02:19:11,737 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-10 02:19:11,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 02:19:11,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:11,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:11,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 02:19:11,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:12,172 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:12,172 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:12,759 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:12,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:12,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823067726] [2025-01-10 02:19:12,760 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:12,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918827662] [2025-01-10 02:19:12,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918827662] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:19:12,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:19:12,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-01-10 02:19:12,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971160798] [2025-01-10 02:19:12,760 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:12,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 02:19:12,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:12,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 02:19:12,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2025-01-10 02:19:12,761 INFO L87 Difference]: Start difference. First operand 1019 states and 1359 transitions. Second operand has 14 states, 13 states have (on average 6.153846153846154) internal successors, (80), 14 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:14,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:14,545 INFO L93 Difference]: Finished difference Result 1044 states and 1386 transitions. [2025-01-10 02:19:14,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 02:19:14,545 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.153846153846154) internal successors, (80), 14 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2025-01-10 02:19:14,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:14,547 INFO L225 Difference]: With dead ends: 1044 [2025-01-10 02:19:14,547 INFO L226 Difference]: Without dead ends: 1043 [2025-01-10 02:19:14,548 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2025-01-10 02:19:14,548 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 367 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:14,548 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 182 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-01-10 02:19:14,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2025-01-10 02:19:14,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1021. [2025-01-10 02:19:14,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 957 states have (on average 1.3730407523510972) internal successors, (1314), 995 states have internal predecessors, (1314), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:19:14,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1358 transitions. [2025-01-10 02:19:14,595 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1358 transitions. Word has length 44 [2025-01-10 02:19:14,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:14,595 INFO L471 AbstractCegarLoop]: Abstraction has 1021 states and 1358 transitions. [2025-01-10 02:19:14,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.153846153846154) internal successors, (80), 14 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:14,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1358 transitions. [2025-01-10 02:19:14,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-01-10 02:19:14,596 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:14,596 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:14,602 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 02:19:14,796 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,SelfDestructingSolverStorable34 [2025-01-10 02:19:14,797 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:19:14,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:14,797 INFO L85 PathProgramCache]: Analyzing trace with hash -851024378, now seen corresponding path program 1 times [2025-01-10 02:19:14,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:14,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503099165] [2025-01-10 02:19:14,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:14,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:14,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-10 02:19:14,811 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-10 02:19:14,811 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:14,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:14,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1936404895] [2025-01-10 02:19:14,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:14,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:14,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:14,814 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 02:19:14,819 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 02:19:14,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-10 02:19:14,850 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-10 02:19:14,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:14,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:14,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:19:14,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:14,948 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:19:14,948 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:19:14,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:14,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503099165] [2025-01-10 02:19:14,949 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:14,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936404895] [2025-01-10 02:19:14,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936404895] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:14,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:14,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:19:14,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579581617] [2025-01-10 02:19:14,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:14,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:19:14,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:14,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:19:14,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:19:14,950 INFO L87 Difference]: Start difference. First operand 1021 states and 1358 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:19:15,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:15,432 INFO L93 Difference]: Finished difference Result 1039 states and 1365 transitions. [2025-01-10 02:19:15,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:19:15,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2025-01-10 02:19:15,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:15,435 INFO L225 Difference]: With dead ends: 1039 [2025-01-10 02:19:15,435 INFO L226 Difference]: Without dead ends: 1038 [2025-01-10 02:19:15,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:19:15,435 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 44 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:15,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 148 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:19:15,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2025-01-10 02:19:15,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1021. [2025-01-10 02:19:15,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 957 states have (on average 1.3667711598746082) internal successors, (1308), 995 states have internal predecessors, (1308), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:19:15,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1352 transitions. [2025-01-10 02:19:15,491 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1352 transitions. Word has length 45 [2025-01-10 02:19:15,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:15,491 INFO L471 AbstractCegarLoop]: Abstraction has 1021 states and 1352 transitions. [2025-01-10 02:19:15,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:19:15,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1352 transitions. [2025-01-10 02:19:15,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-10 02:19:15,494 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:15,494 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:15,500 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 02:19:15,698 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,SelfDestructingSolverStorable35 [2025-01-10 02:19:15,698 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:19:15,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:15,699 INFO L85 PathProgramCache]: Analyzing trace with hash -611951879, now seen corresponding path program 1 times [2025-01-10 02:19:15,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:15,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725644688] [2025-01-10 02:19:15,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:15,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:15,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 02:19:15,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:19:15,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:15,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:15,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1435354506] [2025-01-10 02:19:15,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:15,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:15,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:15,715 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 02:19:15,717 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 02:19:15,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 02:19:15,749 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:19:15,749 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:15,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:15,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 02:19:15,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:16,173 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:16,173 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:16,738 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:19:16,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:16,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725644688] [2025-01-10 02:19:16,738 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:16,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435354506] [2025-01-10 02:19:16,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435354506] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:16,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:16,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 15 [2025-01-10 02:19:16,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307898255] [2025-01-10 02:19:16,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:16,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:19:16,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:16,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:19:16,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:19:16,740 INFO L87 Difference]: Start difference. First operand 1021 states and 1352 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:19:18,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:18,056 INFO L93 Difference]: Finished difference Result 1037 states and 1372 transitions. [2025-01-10 02:19:18,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:19:18,057 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2025-01-10 02:19:18,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:18,060 INFO L225 Difference]: With dead ends: 1037 [2025-01-10 02:19:18,060 INFO L226 Difference]: Without dead ends: 1036 [2025-01-10 02:19:18,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:19:18,061 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 23 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:18,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 176 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-01-10 02:19:18,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2025-01-10 02:19:18,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1000. [2025-01-10 02:19:18,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1000 states, 936 states have (on average 1.3707264957264957) internal successors, (1283), 974 states have internal predecessors, (1283), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:19:18,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1327 transitions. [2025-01-10 02:19:18,146 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1327 transitions. Word has length 46 [2025-01-10 02:19:18,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:18,146 INFO L471 AbstractCegarLoop]: Abstraction has 1000 states and 1327 transitions. [2025-01-10 02:19:18,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:19:18,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1327 transitions. [2025-01-10 02:19:18,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 02:19:18,147 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:18,148 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:18,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-01-10 02:19:18,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-01-10 02:19:18,349 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:19:18,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:18,350 INFO L85 PathProgramCache]: Analyzing trace with hash 452652002, now seen corresponding path program 1 times [2025-01-10 02:19:18,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:18,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380099342] [2025-01-10 02:19:18,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:18,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:18,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:19:18,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:19:18,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:18,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:18,589 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:19:18,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:18,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380099342] [2025-01-10 02:19:18,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380099342] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:18,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:18,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 02:19:18,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41344574] [2025-01-10 02:19:18,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:18,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:19:18,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:18,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:19:18,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:19:18,590 INFO L87 Difference]: Start difference. First operand 1000 states and 1327 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:19,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:19,077 INFO L93 Difference]: Finished difference Result 1527 states and 2037 transitions. [2025-01-10 02:19:19,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:19:19,077 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 52 [2025-01-10 02:19:19,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:19,080 INFO L225 Difference]: With dead ends: 1527 [2025-01-10 02:19:19,080 INFO L226 Difference]: Without dead ends: 1200 [2025-01-10 02:19:19,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:19:19,082 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 251 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:19,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 247 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:19:19,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2025-01-10 02:19:19,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1162. [2025-01-10 02:19:19,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 1093 states have (on average 1.3806038426349496) internal successors, (1509), 1131 states have internal predecessors, (1509), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-10 02:19:19,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1563 transitions. [2025-01-10 02:19:19,141 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1563 transitions. Word has length 52 [2025-01-10 02:19:19,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:19,141 INFO L471 AbstractCegarLoop]: Abstraction has 1162 states and 1563 transitions. [2025-01-10 02:19:19,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:19,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1563 transitions. [2025-01-10 02:19:19,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 02:19:19,142 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:19,142 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:19,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-01-10 02:19:19,143 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:19:19,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:19,143 INFO L85 PathProgramCache]: Analyzing trace with hash 466475025, now seen corresponding path program 1 times [2025-01-10 02:19:19,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:19,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715580989] [2025-01-10 02:19:19,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:19,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:19,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 02:19:19,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 02:19:19,150 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:19,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:19,176 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:19:19,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:19,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715580989] [2025-01-10 02:19:19,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715580989] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:19:19,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:19:19,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:19:19,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977432523] [2025-01-10 02:19:19,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:19:19,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:19:19,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:19,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:19:19,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:19:19,177 INFO L87 Difference]: Start difference. First operand 1162 states and 1563 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:19,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:19:19,334 INFO L93 Difference]: Finished difference Result 1163 states and 1563 transitions. [2025-01-10 02:19:19,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:19:19,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 52 [2025-01-10 02:19:19,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:19:19,340 INFO L225 Difference]: With dead ends: 1163 [2025-01-10 02:19:19,342 INFO L226 Difference]: Without dead ends: 1160 [2025-01-10 02:19:19,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:19:19,343 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 44 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:19:19,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 104 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:19:19,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2025-01-10 02:19:19,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1159. [2025-01-10 02:19:19,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1159 states, 1093 states have (on average 1.3677950594693504) internal successors, (1495), 1128 states have internal predecessors, (1495), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-10 02:19:19,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1549 transitions. [2025-01-10 02:19:19,400 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1549 transitions. Word has length 52 [2025-01-10 02:19:19,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:19:19,400 INFO L471 AbstractCegarLoop]: Abstraction has 1159 states and 1549 transitions. [2025-01-10 02:19:19,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:19,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1549 transitions. [2025-01-10 02:19:19,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-01-10 02:19:19,400 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:19:19,400 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:19:19,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-01-10 02:19:19,401 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 02:19:19,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:19:19,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1562432951, now seen corresponding path program 1 times [2025-01-10 02:19:19,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:19:19,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102790839] [2025-01-10 02:19:19,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:19,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:19:19,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:19:19,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:19:19,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:19,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:19:19,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [143458483] [2025-01-10 02:19:19,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:19:19,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:19:19,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:19:19,416 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 02:19:19,419 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 02:19:19,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:19:19,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:19:19,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:19:19,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:19:19,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-10 02:19:19,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:19:35,919 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 02:19:35,920 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:19:37,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:19:37,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102790839] [2025-01-10 02:19:37,476 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:19:37,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143458483] [2025-01-10 02:19:37,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143458483] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:19:37,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:19:37,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-01-10 02:19:37,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741457299] [2025-01-10 02:19:37,476 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:19:37,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 02:19:37,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:19:37,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 02:19:37,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=379, Unknown=4, NotChecked=0, Total=462 [2025-01-10 02:19:37,479 INFO L87 Difference]: Start difference. First operand 1159 states and 1549 transitions. Second operand has 15 states, 13 states have (on average 3.769230769230769) internal successors, (49), 15 states have internal predecessors, (49), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:19:41,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:19:48,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:19:52,295 WARN L539 Checker$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 02:19:55,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]