./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-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/cohendiv-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 93ad3f0e42b4c26a38d8e528f550b89aecdadec634fd1fe3b21f86af4528c655 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 01:54:50,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 01:54:50,545 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 01:54:50,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 01:54:50,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 01:54:50,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 01:54:50,571 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 01:54:50,571 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 01:54:50,571 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 01:54:50,571 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 01:54:50,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 01:54:50,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 01:54:50,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 01:54:50,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 01:54:50,573 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 01:54:50,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 01:54:50,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 01:54:50,573 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 01:54:50,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 01:54:50,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 01:54:50,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 01:54:50,574 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 01:54:50,574 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 01:54:50,574 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 01:54:50,574 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 01:54:50,574 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 01:54:50,574 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 01:54:50,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 01:54:50,574 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 01:54:50,574 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 01:54:50,575 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 01:54:50,575 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:54:50,575 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:54:50,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:54:50,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:54:50,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 01:54:50,575 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:54:50,575 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:54:50,575 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:54:50,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:54:50,576 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 01:54:50,576 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 01:54:50,576 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 01:54:50,576 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 01:54:50,576 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 01:54:50,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 01:54:50,576 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 01:54:50,576 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 01:54:50,577 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 01:54:50,577 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 01:54:50,577 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 -> 93ad3f0e42b4c26a38d8e528f550b89aecdadec634fd1fe3b21f86af4528c655 [2025-01-10 01:54:50,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 01:54:50,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 01:54:50,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 01:54:50,810 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 01:54:50,810 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 01:54:50,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c [2025-01-10 01:54:52,046 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6b2aec597/120c4026fb264808844d1ce51cf880a6/FLAGb1ed24230 [2025-01-10 01:54:52,257 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 01:54:52,257 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c [2025-01-10 01:54:52,263 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6b2aec597/120c4026fb264808844d1ce51cf880a6/FLAGb1ed24230 [2025-01-10 01:54:52,616 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6b2aec597/120c4026fb264808844d1ce51cf880a6 [2025-01-10 01:54:52,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 01:54:52,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 01:54:52,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 01:54:52,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 01:54:52,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 01:54:52,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:54:52" (1/1) ... [2025-01-10 01:54:52,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63ce8587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:54:52, skipping insertion in model container [2025-01-10 01:54:52,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:54:52" (1/1) ... [2025-01-10 01:54:52,633 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 01:54:52,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:54:52,740 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 01:54:52,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:54:52,761 INFO L204 MainTranslator]: Completed translation [2025-01-10 01:54:52,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:54:52 WrapperNode [2025-01-10 01:54:52,762 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 01:54:52,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 01:54:52,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 01:54:52,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 01:54:52,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:54:52" (1/1) ... [2025-01-10 01:54:52,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:54:52" (1/1) ... [2025-01-10 01:54:52,781 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2025-01-10 01:54:52,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 01:54:52,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 01:54:52,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 01:54:52,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 01:54:52,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:54:52" (1/1) ... [2025-01-10 01:54:52,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:54:52" (1/1) ... [2025-01-10 01:54:52,789 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:54:52" (1/1) ... [2025-01-10 01:54:52,801 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-10 01:54:52,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:54:52" (1/1) ... [2025-01-10 01:54:52,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:54:52" (1/1) ... [2025-01-10 01:54:52,804 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:54:52" (1/1) ... [2025-01-10 01:54:52,804 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:54:52" (1/1) ... [2025-01-10 01:54:52,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:54:52" (1/1) ... [2025-01-10 01:54:52,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:54:52" (1/1) ... [2025-01-10 01:54:52,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:54:52" (1/1) ... [2025-01-10 01:54:52,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 01:54:52,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 01:54:52,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 01:54:52,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 01:54:52,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:54:52" (1/1) ... [2025-01-10 01:54:52,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:54:52,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:52,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 01:54:52,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 01:54:52,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 01:54:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 01:54:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 01:54:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 01:54:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 01:54:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 01:54:52,885 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 01:54:52,886 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 01:54:53,124 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2025-01-10 01:54:53,125 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 01:54:53,135 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 01:54:53,136 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-10 01:54:53,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:54:53 BoogieIcfgContainer [2025-01-10 01:54:53,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 01:54:53,137 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 01:54:53,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 01:54:53,142 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 01:54:53,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:54:52" (1/3) ... [2025-01-10 01:54:53,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2578d4a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:54:53, skipping insertion in model container [2025-01-10 01:54:53,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:54:52" (2/3) ... [2025-01-10 01:54:53,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2578d4a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:54:53, skipping insertion in model container [2025-01-10 01:54:53,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:54:53" (3/3) ... [2025-01-10 01:54:53,144 INFO L128 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound20.c [2025-01-10 01:54:53,157 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 01:54:53,158 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohendiv-ll_unwindbound20.c that has 2 procedures, 95 locations, 1 initial locations, 2 loop locations, and 34 error locations. [2025-01-10 01:54:53,194 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 01:54:53,205 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;@53061a91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 01:54:53,205 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2025-01-10 01:54:53,208 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 52 states have (on average 1.8076923076923077) internal successors, (94), 86 states have internal predecessors, (94), 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 01:54:53,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 01:54:53,211 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:53,212 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 01:54:53,213 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:53,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:53,219 INFO L85 PathProgramCache]: Analyzing trace with hash 889508744, now seen corresponding path program 1 times [2025-01-10 01:54:53,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:53,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137405667] [2025-01-10 01:54:53,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:53,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:53,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 01:54:53,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 01:54:53,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:53,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:53,318 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 01:54:53,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:53,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137405667] [2025-01-10 01:54:53,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137405667] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:53,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:53,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:54:53,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393069678] [2025-01-10 01:54:53,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:53,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 01:54:53,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:53,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 01:54:53,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 01:54:53,340 INFO L87 Difference]: Start difference. First operand has 95 states, 52 states have (on average 1.8076923076923077) internal successors, (94), 86 states have internal predecessors, (94), 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) 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 01:54:53,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:53,357 INFO L93 Difference]: Finished difference Result 186 states and 218 transitions. [2025-01-10 01:54:53,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 01:54:53,358 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 01:54:53,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:53,363 INFO L225 Difference]: With dead ends: 186 [2025-01-10 01:54:53,364 INFO L226 Difference]: Without dead ends: 88 [2025-01-10 01:54:53,367 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 01:54:53,369 INFO L435 NwaCegarLoop]: 103 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, 103 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:53,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:54:53,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2025-01-10 01:54:53,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2025-01-10 01:54:53,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 80 states have internal predecessors, (84), 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 01:54:53,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 96 transitions. [2025-01-10 01:54:53,398 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 96 transitions. Word has length 6 [2025-01-10 01:54:53,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:53,399 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 96 transitions. [2025-01-10 01:54:53,399 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 01:54:53,399 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2025-01-10 01:54:53,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 01:54:53,399 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:53,399 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 01:54:53,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 01:54:53,400 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:53,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:53,400 INFO L85 PathProgramCache]: Analyzing trace with hash 889568326, now seen corresponding path program 1 times [2025-01-10 01:54:53,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:53,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580860978] [2025-01-10 01:54:53,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:53,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:53,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 01:54:53,417 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 01:54:53,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:53,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:53,481 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 01:54:53,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:53,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580860978] [2025-01-10 01:54:53,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580860978] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:53,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:53,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:54:53,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315547709] [2025-01-10 01:54:53,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:53,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:54:53,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:53,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:54:53,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:54:53,483 INFO L87 Difference]: Start difference. First operand 88 states and 96 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 01:54:53,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:53,549 INFO L93 Difference]: Finished difference Result 126 states and 136 transitions. [2025-01-10 01:54:53,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:54:53,550 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 01:54:53,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:53,551 INFO L225 Difference]: With dead ends: 126 [2025-01-10 01:54:53,551 INFO L226 Difference]: Without dead ends: 125 [2025-01-10 01:54:53,551 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 01:54:53,552 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 39 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:53,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 264 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:54:53,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2025-01-10 01:54:53,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 104. [2025-01-10 01:54:53,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.75) internal successors, (105), 94 states have internal predecessors, (105), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 01:54:53,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2025-01-10 01:54:53,561 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 6 [2025-01-10 01:54:53,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:53,561 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2025-01-10 01:54:53,561 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 01:54:53,561 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2025-01-10 01:54:53,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 01:54:53,561 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:53,561 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:53,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 01:54:53,562 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:53,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:53,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1806814377, now seen corresponding path program 1 times [2025-01-10 01:54:53,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:53,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138403965] [2025-01-10 01:54:53,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:53,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:53,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 01:54:53,574 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 01:54:53,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:53,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:53,617 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 01:54:53,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:53,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138403965] [2025-01-10 01:54:53,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138403965] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:53,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:53,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:54:53,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172391656] [2025-01-10 01:54:53,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:53,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:54:53,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:53,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:54:53,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:54:53,620 INFO L87 Difference]: Start difference. First operand 104 states and 121 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 01:54:53,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:53,645 INFO L93 Difference]: Finished difference Result 113 states and 128 transitions. [2025-01-10 01:54:53,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:54:53,645 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 01:54:53,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:53,647 INFO L225 Difference]: With dead ends: 113 [2025-01-10 01:54:53,647 INFO L226 Difference]: Without dead ends: 104 [2025-01-10 01:54:53,647 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 01:54:53,648 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 3 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:53,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 267 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:54:53,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-01-10 01:54:53,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2025-01-10 01:54:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.7166666666666666) internal successors, (103), 94 states have internal predecessors, (103), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 01:54:53,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 119 transitions. [2025-01-10 01:54:53,653 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 119 transitions. Word has length 7 [2025-01-10 01:54:53,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:53,654 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 119 transitions. [2025-01-10 01:54:53,654 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 01:54:53,654 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2025-01-10 01:54:53,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-01-10 01:54:53,654 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:53,654 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:53,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 01:54:53,654 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:53,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:53,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1181830318, now seen corresponding path program 1 times [2025-01-10 01:54:53,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:53,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047418475] [2025-01-10 01:54:53,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:53,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:53,660 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 01:54:53,667 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 01:54:53,667 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:53,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:54:53,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [904115431] [2025-01-10 01:54:53,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:53,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:53,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:53,672 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:54:53,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 01:54:53,698 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 01:54:53,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 01:54:53,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:53,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:53,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:54:53,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:53,723 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 01:54:53,724 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:54:53,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:53,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047418475] [2025-01-10 01:54:53,724 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:54:53,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904115431] [2025-01-10 01:54:53,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904115431] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:53,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:53,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:54:53,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260689868] [2025-01-10 01:54:53,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:53,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:54:53,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:53,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:54:53,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:54:53,726 INFO L87 Difference]: Start difference. First operand 104 states and 119 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 01:54:53,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:53,780 INFO L93 Difference]: Finished difference Result 119 states and 128 transitions. [2025-01-10 01:54:53,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:54:53,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 01:54:53,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:53,781 INFO L225 Difference]: With dead ends: 119 [2025-01-10 01:54:53,781 INFO L226 Difference]: Without dead ends: 117 [2025-01-10 01:54:53,781 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:54:53,782 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 18 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:53,782 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 167 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:54:53,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-01-10 01:54:53,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 104. [2025-01-10 01:54:53,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.6833333333333333) internal successors, (101), 94 states have internal predecessors, (101), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 01:54:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 117 transitions. [2025-01-10 01:54:53,793 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 117 transitions. Word has length 9 [2025-01-10 01:54:53,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:53,793 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 117 transitions. [2025-01-10 01:54:53,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 01:54:53,793 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2025-01-10 01:54:53,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-10 01:54:53,794 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:53,794 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:53,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 01:54:53,994 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 01:54:53,994 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:53,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:53,995 INFO L85 PathProgramCache]: Analyzing trace with hash 702513269, now seen corresponding path program 1 times [2025-01-10 01:54:53,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:53,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090450267] [2025-01-10 01:54:53,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:53,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:54,008 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 01:54:54,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 01:54:54,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:54,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:54:54,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1618130314] [2025-01-10 01:54:54,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:54,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:54,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:54,025 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:54:54,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-10 01:54:54,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 01:54:54,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 01:54:54,059 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:54,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:54,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:54:54,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:54,091 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 01:54:54,091 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:54:54,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:54,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090450267] [2025-01-10 01:54:54,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:54:54,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618130314] [2025-01-10 01:54:54,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618130314] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:54,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:54,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:54:54,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39136863] [2025-01-10 01:54:54,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:54,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:54:54,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:54,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:54:54,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:54:54,093 INFO L87 Difference]: Start difference. First operand 104 states and 117 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 01:54:54,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:54,178 INFO L93 Difference]: Finished difference Result 160 states and 183 transitions. [2025-01-10 01:54:54,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:54:54,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 16 [2025-01-10 01:54:54,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:54,180 INFO L225 Difference]: With dead ends: 160 [2025-01-10 01:54:54,180 INFO L226 Difference]: Without dead ends: 154 [2025-01-10 01:54:54,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:54:54,181 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 51 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:54,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 142 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:54:54,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2025-01-10 01:54:54,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 132. [2025-01-10 01:54:54,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 84 states have (on average 1.6904761904761905) internal successors, (142), 117 states have internal predecessors, (142), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 01:54:54,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 166 transitions. [2025-01-10 01:54:54,188 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 166 transitions. Word has length 16 [2025-01-10 01:54:54,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:54,188 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 166 transitions. [2025-01-10 01:54:54,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 01:54:54,188 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 166 transitions. [2025-01-10 01:54:54,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-01-10 01:54:54,189 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:54,189 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:54,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 01:54:54,391 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 01:54:54,391 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:54,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:54,392 INFO L85 PathProgramCache]: Analyzing trace with hash 805388023, now seen corresponding path program 1 times [2025-01-10 01:54:54,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:54,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926437636] [2025-01-10 01:54:54,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:54,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:54,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 01:54:54,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 01:54:54,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:54,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:54:54,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [246071658] [2025-01-10 01:54:54,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:54,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:54,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:54,410 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:54:54,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-10 01:54:54,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 01:54:54,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 01:54:54,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:54,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:54,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:54:54,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:54,513 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 01:54:54,514 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:54:54,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:54,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926437636] [2025-01-10 01:54:54,514 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:54:54,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246071658] [2025-01-10 01:54:54,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246071658] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:54,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:54,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:54:54,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815330508] [2025-01-10 01:54:54,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:54,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:54:54,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:54,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:54:54,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:54:54,515 INFO L87 Difference]: Start difference. First operand 132 states and 166 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 01:54:54,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:54,618 INFO L93 Difference]: Finished difference Result 153 states and 173 transitions. [2025-01-10 01:54:54,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:54:54,619 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 18 [2025-01-10 01:54:54,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:54,620 INFO L225 Difference]: With dead ends: 153 [2025-01-10 01:54:54,620 INFO L226 Difference]: Without dead ends: 150 [2025-01-10 01:54:54,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:54:54,621 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 182 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:54,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 142 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:54:54,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2025-01-10 01:54:54,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 133. [2025-01-10 01:54:54,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 85 states have (on average 1.6588235294117648) internal successors, (141), 118 states have internal predecessors, (141), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 01:54:54,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 165 transitions. [2025-01-10 01:54:54,629 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 165 transitions. Word has length 18 [2025-01-10 01:54:54,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:54,629 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 165 transitions. [2025-01-10 01:54:54,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 01:54:54,630 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 165 transitions. [2025-01-10 01:54:54,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-01-10 01:54:54,630 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:54,630 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:54,636 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 01:54:54,830 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 01:54:54,831 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:54,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:54,831 INFO L85 PathProgramCache]: Analyzing trace with hash -802774997, now seen corresponding path program 1 times [2025-01-10 01:54:54,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:54,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392718606] [2025-01-10 01:54:54,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:54,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:54,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 01:54:54,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 01:54:54,844 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:54,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:54:54,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [477472485] [2025-01-10 01:54:54,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:54,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:54,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:54,847 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:54:54,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-10 01:54:54,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 01:54:54,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 01:54:54,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:54,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:54,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:54:54,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:54,929 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 01:54:54,930 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:54:54,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:54,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392718606] [2025-01-10 01:54:54,930 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:54:54,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477472485] [2025-01-10 01:54:54,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477472485] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:54,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:54,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:54:54,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850273301] [2025-01-10 01:54:54,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:54,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:54:54,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:54,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:54:54,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:54:54,931 INFO L87 Difference]: Start difference. First operand 133 states and 165 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 01:54:55,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:55,044 INFO L93 Difference]: Finished difference Result 153 states and 170 transitions. [2025-01-10 01:54:55,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:54:55,046 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 19 [2025-01-10 01:54:55,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:55,047 INFO L225 Difference]: With dead ends: 153 [2025-01-10 01:54:55,047 INFO L226 Difference]: Without dead ends: 146 [2025-01-10 01:54:55,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:54:55,047 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 178 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:55,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 145 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:54:55,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2025-01-10 01:54:55,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 130. [2025-01-10 01:54:55,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 82 states have (on average 1.646341463414634) internal successors, (135), 115 states have internal predecessors, (135), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 01:54:55,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 159 transitions. [2025-01-10 01:54:55,054 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 159 transitions. Word has length 19 [2025-01-10 01:54:55,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:55,055 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 159 transitions. [2025-01-10 01:54:55,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 01:54:55,055 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 159 transitions. [2025-01-10 01:54:55,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-01-10 01:54:55,055 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:55,055 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:55,064 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 01:54:55,258 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 01:54:55,258 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:55,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:55,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1285675233, now seen corresponding path program 1 times [2025-01-10 01:54:55,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:55,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375949910] [2025-01-10 01:54:55,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:55,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:55,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 01:54:55,273 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 01:54:55,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:55,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:55,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:54:55,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:55,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375949910] [2025-01-10 01:54:55,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375949910] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:55,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:55,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 01:54:55,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514420284] [2025-01-10 01:54:55,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:55,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:54:55,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:55,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:54:55,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:54:55,337 INFO L87 Difference]: Start difference. First operand 130 states and 159 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:54:55,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:55,399 INFO L93 Difference]: Finished difference Result 130 states and 159 transitions. [2025-01-10 01:54:55,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:54:55,400 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2025-01-10 01:54:55,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:55,401 INFO L225 Difference]: With dead ends: 130 [2025-01-10 01:54:55,401 INFO L226 Difference]: Without dead ends: 128 [2025-01-10 01:54:55,401 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:54:55,402 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 149 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:55,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 247 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:54:55,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-01-10 01:54:55,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2025-01-10 01:54:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 82 states have (on average 1.6097560975609757) internal successors, (132), 113 states have internal predecessors, (132), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 01:54:55,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 156 transitions. [2025-01-10 01:54:55,411 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 156 transitions. Word has length 27 [2025-01-10 01:54:55,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:55,412 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 156 transitions. [2025-01-10 01:54:55,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:54:55,412 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 156 transitions. [2025-01-10 01:54:55,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-01-10 01:54:55,412 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:55,412 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:55,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 01:54:55,412 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:55,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:55,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1201226479, now seen corresponding path program 1 times [2025-01-10 01:54:55,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:55,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838794535] [2025-01-10 01:54:55,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:55,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:55,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 01:54:55,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 01:54:55,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:55,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:55,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:54:55,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:55,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838794535] [2025-01-10 01:54:55,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838794535] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:55,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:55,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 01:54:55,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466235883] [2025-01-10 01:54:55,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:55,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:54:55,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:55,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:54:55,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:54:55,470 INFO L87 Difference]: Start difference. First operand 128 states and 156 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:54:55,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:55,524 INFO L93 Difference]: Finished difference Result 214 states and 252 transitions. [2025-01-10 01:54:55,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:54:55,525 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2025-01-10 01:54:55,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:55,526 INFO L225 Difference]: With dead ends: 214 [2025-01-10 01:54:55,526 INFO L226 Difference]: Without dead ends: 132 [2025-01-10 01:54:55,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:54:55,527 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 13 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:55,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 347 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:54:55,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-01-10 01:54:55,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2025-01-10 01:54:55,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 86 states have (on average 1.5813953488372092) internal successors, (136), 117 states have internal predecessors, (136), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 01:54:55,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 160 transitions. [2025-01-10 01:54:55,534 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 160 transitions. Word has length 28 [2025-01-10 01:54:55,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:55,535 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 160 transitions. [2025-01-10 01:54:55,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:54:55,535 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 160 transitions. [2025-01-10 01:54:55,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 01:54:55,535 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:55,535 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:55,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-10 01:54:55,536 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:55,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:55,536 INFO L85 PathProgramCache]: Analyzing trace with hash 967558966, now seen corresponding path program 1 times [2025-01-10 01:54:55,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:55,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369083768] [2025-01-10 01:54:55,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:55,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:55,540 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 01:54:55,546 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 01:54:55,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:55,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:54:55,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [854464684] [2025-01-10 01:54:55,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:55,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:55,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:55,554 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:54:55,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-10 01:54:55,576 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 01:54:55,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 01:54:55,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:55,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:55,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:54:55,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:55,626 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:54:55,626 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:54:55,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:55,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369083768] [2025-01-10 01:54:55,626 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:54:55,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854464684] [2025-01-10 01:54:55,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854464684] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:55,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:55,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:54:55,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494671181] [2025-01-10 01:54:55,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:55,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:54:55,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:55,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:54:55,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:54:55,627 INFO L87 Difference]: Start difference. First operand 132 states and 160 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:54:55,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:55,757 INFO L93 Difference]: Finished difference Result 206 states and 277 transitions. [2025-01-10 01:54:55,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:54:55,758 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2025-01-10 01:54:55,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:55,759 INFO L225 Difference]: With dead ends: 206 [2025-01-10 01:54:55,759 INFO L226 Difference]: Without dead ends: 201 [2025-01-10 01:54:55,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:54:55,760 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 117 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:55,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 96 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:54:55,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2025-01-10 01:54:55,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 183. [2025-01-10 01:54:55,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 129 states have (on average 1.5891472868217054) internal successors, (205), 160 states have internal predecessors, (205), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 01:54:55,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 245 transitions. [2025-01-10 01:54:55,769 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 245 transitions. Word has length 30 [2025-01-10 01:54:55,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:55,770 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 245 transitions. [2025-01-10 01:54:55,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:54:55,770 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 245 transitions. [2025-01-10 01:54:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-01-10 01:54:55,770 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:55,770 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:55,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 01:54:55,971 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,SelfDestructingSolverStorable9 [2025-01-10 01:54:55,971 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:55,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:55,971 INFO L85 PathProgramCache]: Analyzing trace with hash -70443036, now seen corresponding path program 1 times [2025-01-10 01:54:55,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:55,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992766246] [2025-01-10 01:54:55,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:55,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:55,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 01:54:55,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 01:54:55,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:55,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:54:55,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1808668224] [2025-01-10 01:54:55,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:55,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:55,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:55,991 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:54:55,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-10 01:54:56,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 01:54:56,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 01:54:56,019 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:56,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:56,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:54:56,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:56,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:54:56,056 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:54:56,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:56,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992766246] [2025-01-10 01:54:56,056 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:54:56,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808668224] [2025-01-10 01:54:56,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808668224] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:56,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:56,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:54:56,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230021260] [2025-01-10 01:54:56,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:56,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:54:56,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:56,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:54:56,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:54:56,057 INFO L87 Difference]: Start difference. First operand 183 states and 245 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:54:56,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:56,166 INFO L93 Difference]: Finished difference Result 204 states and 268 transitions. [2025-01-10 01:54:56,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:54:56,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2025-01-10 01:54:56,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:56,168 INFO L225 Difference]: With dead ends: 204 [2025-01-10 01:54:56,168 INFO L226 Difference]: Without dead ends: 201 [2025-01-10 01:54:56,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:54:56,168 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 115 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:56,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 96 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:54:56,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2025-01-10 01:54:56,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 184. [2025-01-10 01:54:56,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 130 states have (on average 1.5538461538461539) internal successors, (202), 161 states have internal predecessors, (202), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 01:54:56,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 242 transitions. [2025-01-10 01:54:56,181 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 242 transitions. Word has length 31 [2025-01-10 01:54:56,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:56,183 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 242 transitions. [2025-01-10 01:54:56,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:54:56,183 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 242 transitions. [2025-01-10 01:54:56,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-01-10 01:54:56,184 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:56,184 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:56,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 01:54:56,384 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,SelfDestructingSolverStorable10 [2025-01-10 01:54:56,385 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:56,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:56,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1337096471, now seen corresponding path program 1 times [2025-01-10 01:54:56,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:56,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953630808] [2025-01-10 01:54:56,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:56,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:56,393 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 01:54:56,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 01:54:56,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:56,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:56,453 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:54:56,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:56,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953630808] [2025-01-10 01:54:56,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953630808] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:56,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:56,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:54:56,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790401584] [2025-01-10 01:54:56,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:56,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:54:56,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:56,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:54:56,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:54:56,455 INFO L87 Difference]: Start difference. First operand 184 states and 242 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:54:56,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:56,602 INFO L93 Difference]: Finished difference Result 219 states and 271 transitions. [2025-01-10 01:54:56,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:54:56,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 51 [2025-01-10 01:54:56,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:56,604 INFO L225 Difference]: With dead ends: 219 [2025-01-10 01:54:56,605 INFO L226 Difference]: Without dead ends: 217 [2025-01-10 01:54:56,605 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:54:56,605 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 133 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:56,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 90 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:54:56,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2025-01-10 01:54:56,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 186. [2025-01-10 01:54:56,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 132 states have (on average 1.5303030303030303) internal successors, (202), 163 states have internal predecessors, (202), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 01:54:56,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 242 transitions. [2025-01-10 01:54:56,616 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 242 transitions. Word has length 51 [2025-01-10 01:54:56,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:56,617 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 242 transitions. [2025-01-10 01:54:56,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:54:56,617 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 242 transitions. [2025-01-10 01:54:56,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-01-10 01:54:56,617 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:56,618 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:56,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-10 01:54:56,618 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:56,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:56,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1499682464, now seen corresponding path program 1 times [2025-01-10 01:54:56,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:56,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770121601] [2025-01-10 01:54:56,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:56,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:56,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-10 01:54:56,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-10 01:54:56,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:56,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:56,655 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:54:56,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:56,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770121601] [2025-01-10 01:54:56,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770121601] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:56,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:56,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:54:56,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053901385] [2025-01-10 01:54:56,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:56,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:54:56,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:56,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:54:56,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:54:56,656 INFO L87 Difference]: Start difference. First operand 186 states and 242 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:54:56,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:56,778 INFO L93 Difference]: Finished difference Result 219 states and 267 transitions. [2025-01-10 01:54:56,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:54:56,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 52 [2025-01-10 01:54:56,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:56,780 INFO L225 Difference]: With dead ends: 219 [2025-01-10 01:54:56,780 INFO L226 Difference]: Without dead ends: 217 [2025-01-10 01:54:56,781 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:54:56,782 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 130 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:56,782 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 92 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:54:56,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2025-01-10 01:54:56,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 188. [2025-01-10 01:54:56,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 134 states have (on average 1.507462686567164) internal successors, (202), 165 states have internal predecessors, (202), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 01:54:56,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 242 transitions. [2025-01-10 01:54:56,791 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 242 transitions. Word has length 52 [2025-01-10 01:54:56,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:56,791 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 242 transitions. [2025-01-10 01:54:56,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:54:56,791 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 242 transitions. [2025-01-10 01:54:56,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-01-10 01:54:56,792 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:56,792 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:56,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-10 01:54:56,793 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:56,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:56,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1914160030, now seen corresponding path program 1 times [2025-01-10 01:54:56,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:56,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079747494] [2025-01-10 01:54:56,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:56,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:56,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-10 01:54:56,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-10 01:54:56,808 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:56,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:56,897 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:54:56,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:56,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079747494] [2025-01-10 01:54:56,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079747494] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:56,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:56,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:54:56,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190136274] [2025-01-10 01:54:56,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:56,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:54:56,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:56,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:54:56,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:54:56,899 INFO L87 Difference]: Start difference. First operand 188 states and 242 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:54:56,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:56,951 INFO L93 Difference]: Finished difference Result 188 states and 242 transitions. [2025-01-10 01:54:56,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:54:56,952 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 54 [2025-01-10 01:54:56,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:56,954 INFO L225 Difference]: With dead ends: 188 [2025-01-10 01:54:56,954 INFO L226 Difference]: Without dead ends: 187 [2025-01-10 01:54:56,955 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 01:54:56,955 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 31 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:56,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 72 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:54:56,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2025-01-10 01:54:56,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2025-01-10 01:54:56,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 134 states have (on average 1.4776119402985075) internal successors, (198), 164 states have internal predecessors, (198), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 01:54:56,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 238 transitions. [2025-01-10 01:54:56,970 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 238 transitions. Word has length 54 [2025-01-10 01:54:56,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:56,971 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 238 transitions. [2025-01-10 01:54:56,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:54:56,971 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 238 transitions. [2025-01-10 01:54:56,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-01-10 01:54:56,972 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:56,973 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:56,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-10 01:54:56,974 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:56,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:56,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1914160072, now seen corresponding path program 1 times [2025-01-10 01:54:56,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:56,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008847915] [2025-01-10 01:54:56,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:56,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:56,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-10 01:54:56,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-10 01:54:56,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:56,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:57,035 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:54:57,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:57,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008847915] [2025-01-10 01:54:57,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008847915] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:57,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:57,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:54:57,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643385110] [2025-01-10 01:54:57,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:57,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:54:57,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:57,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:54:57,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:54:57,036 INFO L87 Difference]: Start difference. First operand 187 states and 238 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:54:57,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:57,083 INFO L93 Difference]: Finished difference Result 192 states and 238 transitions. [2025-01-10 01:54:57,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:54:57,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2025-01-10 01:54:57,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:57,084 INFO L225 Difference]: With dead ends: 192 [2025-01-10 01:54:57,084 INFO L226 Difference]: Without dead ends: 191 [2025-01-10 01:54:57,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:54:57,085 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 14 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:57,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 146 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:54:57,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2025-01-10 01:54:57,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 187. [2025-01-10 01:54:57,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 134 states have (on average 1.4701492537313432) internal successors, (197), 164 states have internal predecessors, (197), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 01:54:57,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 237 transitions. [2025-01-10 01:54:57,096 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 237 transitions. Word has length 54 [2025-01-10 01:54:57,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:57,096 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 237 transitions. [2025-01-10 01:54:57,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:54:57,097 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 237 transitions. [2025-01-10 01:54:57,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-01-10 01:54:57,097 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:57,097 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:57,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-10 01:54:57,098 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:57,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:57,098 INFO L85 PathProgramCache]: Analyzing trace with hash 790581328, now seen corresponding path program 1 times [2025-01-10 01:54:57,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:57,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575122397] [2025-01-10 01:54:57,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:57,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:57,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-10 01:54:57,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 01:54:57,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:57,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:57,160 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:54:57,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:57,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575122397] [2025-01-10 01:54:57,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575122397] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:57,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:57,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 01:54:57,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139461637] [2025-01-10 01:54:57,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:57,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:54:57,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:57,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:54:57,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:54:57,161 INFO L87 Difference]: Start difference. First operand 187 states and 237 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:54:57,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:57,491 INFO L93 Difference]: Finished difference Result 259 states and 327 transitions. [2025-01-10 01:54:57,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:54:57,491 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2025-01-10 01:54:57,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:57,492 INFO L225 Difference]: With dead ends: 259 [2025-01-10 01:54:57,492 INFO L226 Difference]: Without dead ends: 258 [2025-01-10 01:54:57,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:54:57,493 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 317 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:57,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 278 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:54:57,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2025-01-10 01:54:57,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 222. [2025-01-10 01:54:57,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 164 states have (on average 1.4695121951219512) internal successors, (241), 194 states have internal predecessors, (241), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-01-10 01:54:57,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 291 transitions. [2025-01-10 01:54:57,508 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 291 transitions. Word has length 55 [2025-01-10 01:54:57,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:57,508 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 291 transitions. [2025-01-10 01:54:57,508 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:54:57,508 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 291 transitions. [2025-01-10 01:54:57,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-01-10 01:54:57,508 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:57,509 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:57,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-01-10 01:54:57,509 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:57,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:57,509 INFO L85 PathProgramCache]: Analyzing trace with hash 790580046, now seen corresponding path program 1 times [2025-01-10 01:54:57,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:57,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95018805] [2025-01-10 01:54:57,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:57,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:57,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-10 01:54:57,518 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 01:54:57,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:57,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:57,558 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:54:57,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:57,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95018805] [2025-01-10 01:54:57,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95018805] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:57,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:57,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:54:57,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931316407] [2025-01-10 01:54:57,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:57,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:54:57,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:57,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:54:57,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:54:57,560 INFO L87 Difference]: Start difference. First operand 222 states and 291 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:54:57,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:57,665 INFO L93 Difference]: Finished difference Result 368 states and 495 transitions. [2025-01-10 01:54:57,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:54:57,666 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 55 [2025-01-10 01:54:57,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:57,667 INFO L225 Difference]: With dead ends: 368 [2025-01-10 01:54:57,667 INFO L226 Difference]: Without dead ends: 367 [2025-01-10 01:54:57,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:54:57,668 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 192 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:57,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 217 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:54:57,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2025-01-10 01:54:57,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 334. [2025-01-10 01:54:57,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 261 states have (on average 1.5134099616858236) internal successors, (395), 291 states have internal predecessors, (395), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-01-10 01:54:57,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 475 transitions. [2025-01-10 01:54:57,690 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 475 transitions. Word has length 55 [2025-01-10 01:54:57,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:57,690 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 475 transitions. [2025-01-10 01:54:57,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:54:57,691 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 475 transitions. [2025-01-10 01:54:57,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-01-10 01:54:57,691 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:57,691 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:57,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-10 01:54:57,692 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:57,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:57,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1261822214, now seen corresponding path program 1 times [2025-01-10 01:54:57,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:57,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499172612] [2025-01-10 01:54:57,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:57,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:57,697 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-01-10 01:54:57,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-01-10 01:54:57,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:57,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:57,756 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:54:57,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:57,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499172612] [2025-01-10 01:54:57,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499172612] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:57,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:57,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:54:57,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146369673] [2025-01-10 01:54:57,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:57,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:54:57,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:57,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:54:57,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:54:57,758 INFO L87 Difference]: Start difference. First operand 334 states and 475 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:54:57,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:57,870 INFO L93 Difference]: Finished difference Result 361 states and 496 transitions. [2025-01-10 01:54:57,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:54:57,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2025-01-10 01:54:57,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:57,872 INFO L225 Difference]: With dead ends: 361 [2025-01-10 01:54:57,872 INFO L226 Difference]: Without dead ends: 359 [2025-01-10 01:54:57,872 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 01:54:57,872 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 54 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:57,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 165 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:54:57,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2025-01-10 01:54:57,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 338. [2025-01-10 01:54:57,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 265 states have (on average 1.5056603773584907) internal successors, (399), 295 states have internal predecessors, (399), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-01-10 01:54:57,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 479 transitions. [2025-01-10 01:54:57,894 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 479 transitions. Word has length 56 [2025-01-10 01:54:57,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:57,894 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 479 transitions. [2025-01-10 01:54:57,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:54:57,894 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 479 transitions. [2025-01-10 01:54:57,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-01-10 01:54:57,895 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:57,895 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:57,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-01-10 01:54:57,895 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:57,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:57,896 INFO L85 PathProgramCache]: Analyzing trace with hash -192056259, now seen corresponding path program 1 times [2025-01-10 01:54:57,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:57,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386602597] [2025-01-10 01:54:57,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:57,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:57,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-10 01:54:57,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-10 01:54:57,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:57,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:57,977 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:54:57,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:57,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386602597] [2025-01-10 01:54:57,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386602597] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:54:57,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317720230] [2025-01-10 01:54:57,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:57,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:57,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:57,980 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:54:57,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 01:54:58,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-10 01:54:58,015 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-10 01:54:58,015 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:58,015 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:58,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:54:58,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:58,104 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:54:58,104 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:54:58,225 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:54:58,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317720230] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 01:54:58,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:54:58,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 17 [2025-01-10 01:54:58,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933643222] [2025-01-10 01:54:58,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:58,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:54:58,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:58,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:54:58,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2025-01-10 01:54:58,227 INFO L87 Difference]: Start difference. First operand 338 states and 479 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:54:58,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:58,344 INFO L93 Difference]: Finished difference Result 373 states and 504 transitions. [2025-01-10 01:54:58,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 01:54:58,344 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2025-01-10 01:54:58,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:58,346 INFO L225 Difference]: With dead ends: 373 [2025-01-10 01:54:58,346 INFO L226 Difference]: Without dead ends: 371 [2025-01-10 01:54:58,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2025-01-10 01:54:58,347 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 110 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:58,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 394 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:54:58,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2025-01-10 01:54:58,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 346. [2025-01-10 01:54:58,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 271 states have (on average 1.4649446494464944) internal successors, (397), 301 states have internal predecessors, (397), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-01-10 01:54:58,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 477 transitions. [2025-01-10 01:54:58,372 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 477 transitions. Word has length 60 [2025-01-10 01:54:58,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:58,372 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 477 transitions. [2025-01-10 01:54:58,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:54:58,372 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 477 transitions. [2025-01-10 01:54:58,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-01-10 01:54:58,372 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:58,372 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:58,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-10 01:54:58,577 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 01:54:58,577 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:58,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:58,577 INFO L85 PathProgramCache]: Analyzing trace with hash 117530584, now seen corresponding path program 1 times [2025-01-10 01:54:58,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:58,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122519930] [2025-01-10 01:54:58,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:58,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:58,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-10 01:54:58,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-10 01:54:58,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:58,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:58,643 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:54:58,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:58,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122519930] [2025-01-10 01:54:58,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122519930] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:54:58,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189890721] [2025-01-10 01:54:58,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:58,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:58,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:58,645 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:54:58,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 01:54:58,666 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-10 01:54:58,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-10 01:54:58,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:58,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:58,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:54:58,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:58,730 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:54:58,731 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:54:58,816 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:54:58,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189890721] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:54:58,816 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:54:58,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2025-01-10 01:54:58,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361202303] [2025-01-10 01:54:58,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:54:58,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:54:58,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:58,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:54:58,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:54:58,817 INFO L87 Difference]: Start difference. First operand 346 states and 477 transitions. Second operand has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2025-01-10 01:54:58,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:58,975 INFO L93 Difference]: Finished difference Result 637 states and 826 transitions. [2025-01-10 01:54:58,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-10 01:54:58,975 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 62 [2025-01-10 01:54:58,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:58,977 INFO L225 Difference]: With dead ends: 637 [2025-01-10 01:54:58,977 INFO L226 Difference]: Without dead ends: 478 [2025-01-10 01:54:58,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2025-01-10 01:54:58,978 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 107 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:58,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 751 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:54:58,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2025-01-10 01:54:58,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 433. [2025-01-10 01:54:58,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 344 states have (on average 1.433139534883721) internal successors, (493), 376 states have internal predecessors, (493), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2025-01-10 01:54:58,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 593 transitions. [2025-01-10 01:54:58,996 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 593 transitions. Word has length 62 [2025-01-10 01:54:58,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:58,996 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 593 transitions. [2025-01-10 01:54:58,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.857142857142857) internal successors, (82), 14 states have internal predecessors, (82), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2025-01-10 01:54:58,997 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 593 transitions. [2025-01-10 01:54:58,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-01-10 01:54:58,999 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:58,999 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:59,005 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 01:54:59,200 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 01:54:59,201 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:54:59,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:59,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1968890015, now seen corresponding path program 1 times [2025-01-10 01:54:59,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:59,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042360081] [2025-01-10 01:54:59,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:59,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:59,205 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-01-10 01:54:59,216 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-01-10 01:54:59,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:59,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:54:59,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1044547865] [2025-01-10 01:54:59,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:59,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:59,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:59,220 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:54:59,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-10 01:54:59,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-01-10 01:54:59,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-01-10 01:54:59,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:59,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:59,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 01:54:59,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:59,489 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:54:59,489 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:54:59,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:59,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042360081] [2025-01-10 01:54:59,489 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:54:59,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044547865] [2025-01-10 01:54:59,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044547865] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:59,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:59,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 01:54:59,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360412602] [2025-01-10 01:54:59,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:59,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:54:59,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:59,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:54:59,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:54:59,490 INFO L87 Difference]: Start difference. First operand 433 states and 593 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:54:59,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:59,795 INFO L93 Difference]: Finished difference Result 626 states and 867 transitions. [2025-01-10 01:54:59,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 01:54:59,796 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 69 [2025-01-10 01:54:59,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:59,798 INFO L225 Difference]: With dead ends: 626 [2025-01-10 01:54:59,798 INFO L226 Difference]: Without dead ends: 617 [2025-01-10 01:54:59,799 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:54:59,799 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 300 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:59,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 176 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:54:59,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2025-01-10 01:54:59,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 588. [2025-01-10 01:54:59,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 479 states have (on average 1.407098121085595) internal successors, (674), 511 states have internal predecessors, (674), 70 states have call successors, (70), 8 states have call predecessors, (70), 8 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2025-01-10 01:54:59,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 814 transitions. [2025-01-10 01:54:59,827 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 814 transitions. Word has length 69 [2025-01-10 01:54:59,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:59,827 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 814 transitions. [2025-01-10 01:54:59,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:54:59,827 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 814 transitions. [2025-01-10 01:54:59,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-01-10 01:54:59,828 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:59,828 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:59,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:00,028 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 01:55:00,029 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:00,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:00,029 INFO L85 PathProgramCache]: Analyzing trace with hash -906048259, now seen corresponding path program 1 times [2025-01-10 01:55:00,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:00,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959344526] [2025-01-10 01:55:00,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:00,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:00,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-01-10 01:55:00,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-01-10 01:55:00,043 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:00,043 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:00,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [602876883] [2025-01-10 01:55:00,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:00,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:00,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:00,045 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:00,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-10 01:55:00,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-01-10 01:55:00,079 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-01-10 01:55:00,079 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:00,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:00,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 01:55:00,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:00,303 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:55:00,304 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:00,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:00,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959344526] [2025-01-10 01:55:00,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:00,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602876883] [2025-01-10 01:55:00,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602876883] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:00,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:00,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-01-10 01:55:00,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886203182] [2025-01-10 01:55:00,557 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:00,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:55:00,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:00,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:55:00,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:55:00,558 INFO L87 Difference]: Start difference. First operand 588 states and 814 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:55:00,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:00,779 INFO L93 Difference]: Finished difference Result 657 states and 894 transitions. [2025-01-10 01:55:00,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:55:00,780 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 70 [2025-01-10 01:55:00,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:00,782 INFO L225 Difference]: With dead ends: 657 [2025-01-10 01:55:00,783 INFO L226 Difference]: Without dead ends: 654 [2025-01-10 01:55:00,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:55:00,785 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 152 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:00,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 195 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:55:00,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2025-01-10 01:55:00,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 619. [2025-01-10 01:55:00,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 506 states have (on average 1.4051383399209487) internal successors, (711), 537 states have internal predecessors, (711), 74 states have call successors, (74), 8 states have call predecessors, (74), 8 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2025-01-10 01:55:00,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 859 transitions. [2025-01-10 01:55:00,814 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 859 transitions. Word has length 70 [2025-01-10 01:55:00,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:00,814 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 859 transitions. [2025-01-10 01:55:00,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:55:00,815 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 859 transitions. [2025-01-10 01:55:00,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-01-10 01:55:00,815 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:00,815 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:00,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-10 01:55:01,020 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 01:55:01,021 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:01,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:01,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1800987109, now seen corresponding path program 1 times [2025-01-10 01:55:01,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:01,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173229949] [2025-01-10 01:55:01,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:01,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:01,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-10 01:55:01,032 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-10 01:55:01,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:01,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:01,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [834931282] [2025-01-10 01:55:01,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:01,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:01,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:01,036 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:01,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-10 01:55:01,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-10 01:55:01,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-10 01:55:01,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:01,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:01,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 01:55:01,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:01,193 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:55:01,193 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:55:01,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:01,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173229949] [2025-01-10 01:55:01,193 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:01,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834931282] [2025-01-10 01:55:01,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834931282] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:01,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:01,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 01:55:01,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750720164] [2025-01-10 01:55:01,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:01,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:55:01,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:01,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:55:01,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:55:01,195 INFO L87 Difference]: Start difference. First operand 619 states and 859 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:55:01,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:01,401 INFO L93 Difference]: Finished difference Result 658 states and 927 transitions. [2025-01-10 01:55:01,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:55:01,401 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2025-01-10 01:55:01,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:01,403 INFO L225 Difference]: With dead ends: 658 [2025-01-10 01:55:01,403 INFO L226 Difference]: Without dead ends: 654 [2025-01-10 01:55:01,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:55:01,404 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 157 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:01,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 218 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:55:01,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2025-01-10 01:55:01,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 615. [2025-01-10 01:55:01,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 506 states have (on average 1.3794466403162056) internal successors, (698), 533 states have internal predecessors, (698), 74 states have call successors, (74), 8 states have call predecessors, (74), 8 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2025-01-10 01:55:01,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 846 transitions. [2025-01-10 01:55:01,428 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 846 transitions. Word has length 71 [2025-01-10 01:55:01,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:01,428 INFO L471 AbstractCegarLoop]: Abstraction has 615 states and 846 transitions. [2025-01-10 01:55:01,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:55:01,428 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 846 transitions. [2025-01-10 01:55:01,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-01-10 01:55:01,429 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:01,429 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:01,435 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 01:55:01,633 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 01:55:01,633 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:01,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:01,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1977275107, now seen corresponding path program 1 times [2025-01-10 01:55:01,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:01,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747528126] [2025-01-10 01:55:01,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:01,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:01,637 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-01-10 01:55:01,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-01-10 01:55:01,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:01,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:01,688 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:55:01,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:01,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747528126] [2025-01-10 01:55:01,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747528126] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:01,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:01,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:55:01,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356366117] [2025-01-10 01:55:01,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:01,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:55:01,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:01,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:55:01,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:55:01,690 INFO L87 Difference]: Start difference. First operand 615 states and 846 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:55:02,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:02,030 INFO L93 Difference]: Finished difference Result 886 states and 1244 transitions. [2025-01-10 01:55:02,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:55:02,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 71 [2025-01-10 01:55:02,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:02,033 INFO L225 Difference]: With dead ends: 886 [2025-01-10 01:55:02,033 INFO L226 Difference]: Without dead ends: 883 [2025-01-10 01:55:02,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:55:02,034 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 142 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:02,034 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 237 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:02,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2025-01-10 01:55:02,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 634. [2025-01-10 01:55:02,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 522 states have (on average 1.3639846743295019) internal successors, (712), 548 states have internal predecessors, (712), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2025-01-10 01:55:02,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 868 transitions. [2025-01-10 01:55:02,067 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 868 transitions. Word has length 71 [2025-01-10 01:55:02,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:02,067 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 868 transitions. [2025-01-10 01:55:02,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:55:02,067 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 868 transitions. [2025-01-10 01:55:02,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-01-10 01:55:02,067 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:02,068 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:02,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-01-10 01:55:02,068 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:02,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:02,068 INFO L85 PathProgramCache]: Analyzing trace with hash 3974559, now seen corresponding path program 1 times [2025-01-10 01:55:02,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:02,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655534531] [2025-01-10 01:55:02,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:02,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:02,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-10 01:55:02,080 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-10 01:55:02,080 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:02,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:02,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [364315777] [2025-01-10 01:55:02,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:02,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:02,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:02,086 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:02,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-10 01:55:02,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-10 01:55:02,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-10 01:55:02,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:02,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:02,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 01:55:02,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:55:02,249 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:02,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:02,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655534531] [2025-01-10 01:55:02,398 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:02,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364315777] [2025-01-10 01:55:02,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364315777] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:02,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:02,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-01-10 01:55:02,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527447695] [2025-01-10 01:55:02,398 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:02,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:55:02,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:02,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:55:02,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:55:02,399 INFO L87 Difference]: Start difference. First operand 634 states and 868 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:55:02,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:02,672 INFO L93 Difference]: Finished difference Result 1002 states and 1431 transitions. [2025-01-10 01:55:02,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:55:02,672 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), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 72 [2025-01-10 01:55:02,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:02,676 INFO L225 Difference]: With dead ends: 1002 [2025-01-10 01:55:02,676 INFO L226 Difference]: Without dead ends: 998 [2025-01-10 01:55:02,676 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:55:02,677 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 154 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:02,677 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 346 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:55:02,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2025-01-10 01:55:02,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 791. [2025-01-10 01:55:02,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 659 states have (on average 1.370257966616085) internal successors, (903), 684 states have internal predecessors, (903), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2025-01-10 01:55:02,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1099 transitions. [2025-01-10 01:55:02,720 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1099 transitions. Word has length 72 [2025-01-10 01:55:02,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:02,721 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1099 transitions. [2025-01-10 01:55:02,721 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), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:55:02,721 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1099 transitions. [2025-01-10 01:55:02,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-01-10 01:55:02,722 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:02,722 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:02,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-10 01:55:02,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:02,923 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:02,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:02,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1165986239, now seen corresponding path program 1 times [2025-01-10 01:55:02,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:02,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122377847] [2025-01-10 01:55:02,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:02,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:02,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-10 01:55:02,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-10 01:55:02,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:02,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:02,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [75057062] [2025-01-10 01:55:02,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:02,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:02,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:02,939 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:02,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-10 01:55:02,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-10 01:55:02,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-10 01:55:02,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:02,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:02,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 01:55:02,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:03,172 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:55:03,173 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:03,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:03,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122377847] [2025-01-10 01:55:03,306 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:03,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75057062] [2025-01-10 01:55:03,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75057062] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:03,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:03,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-01-10 01:55:03,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891193085] [2025-01-10 01:55:03,306 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:03,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:55:03,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:03,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:55:03,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:55:03,307 INFO L87 Difference]: Start difference. First operand 791 states and 1099 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:55:03,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:03,621 INFO L93 Difference]: Finished difference Result 822 states and 1122 transitions. [2025-01-10 01:55:03,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:55:03,621 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), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 72 [2025-01-10 01:55:03,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:03,624 INFO L225 Difference]: With dead ends: 822 [2025-01-10 01:55:03,624 INFO L226 Difference]: Without dead ends: 815 [2025-01-10 01:55:03,625 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:55:03,625 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 264 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:03,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 274 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:55:03,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2025-01-10 01:55:03,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 789. [2025-01-10 01:55:03,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 657 states have (on average 1.3637747336377473) internal successors, (896), 682 states have internal predecessors, (896), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2025-01-10 01:55:03,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1092 transitions. [2025-01-10 01:55:03,661 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1092 transitions. Word has length 72 [2025-01-10 01:55:03,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:03,661 INFO L471 AbstractCegarLoop]: Abstraction has 789 states and 1092 transitions. [2025-01-10 01:55:03,662 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), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 01:55:03,662 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1092 transitions. [2025-01-10 01:55:03,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-01-10 01:55:03,662 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:03,662 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:03,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:03,867 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 01:55:03,867 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:03,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:03,867 INFO L85 PathProgramCache]: Analyzing trace with hash -763109084, now seen corresponding path program 1 times [2025-01-10 01:55:03,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:03,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691330586] [2025-01-10 01:55:03,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:03,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:03,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-01-10 01:55:03,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-01-10 01:55:03,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:03,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:03,916 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-01-10 01:55:03,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:03,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691330586] [2025-01-10 01:55:03,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691330586] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:03,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136744356] [2025-01-10 01:55:03,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:03,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:03,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:03,919 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:03,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-10 01:55:03,941 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-01-10 01:55:03,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-01-10 01:55:03,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:03,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:03,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:55:03,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:03,997 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-01-10 01:55:03,997 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:04,099 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-01-10 01:55:04,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136744356] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:55:04,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:55:04,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-01-10 01:55:04,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759887538] [2025-01-10 01:55:04,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:04,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:55:04,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:04,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:55:04,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:55:04,102 INFO L87 Difference]: Start difference. First operand 789 states and 1092 transitions. Second operand has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2025-01-10 01:55:04,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:04,499 INFO L93 Difference]: Finished difference Result 1321 states and 1885 transitions. [2025-01-10 01:55:04,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:55:04,500 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 92 [2025-01-10 01:55:04,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:04,505 INFO L225 Difference]: With dead ends: 1321 [2025-01-10 01:55:04,506 INFO L226 Difference]: Without dead ends: 1319 [2025-01-10 01:55:04,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:55:04,506 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 318 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:04,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 390 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:04,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2025-01-10 01:55:04,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1034. [2025-01-10 01:55:04,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 861 states have (on average 1.3704994192799071) internal successors, (1180), 885 states have internal predecessors, (1180), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2025-01-10 01:55:04,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1460 transitions. [2025-01-10 01:55:04,572 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1460 transitions. Word has length 92 [2025-01-10 01:55:04,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:04,572 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1460 transitions. [2025-01-10 01:55:04,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2025-01-10 01:55:04,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1460 transitions. [2025-01-10 01:55:04,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-01-10 01:55:04,573 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:04,573 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:04,579 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 01:55:04,777 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 01:55:04,777 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:04,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:04,778 INFO L85 PathProgramCache]: Analyzing trace with hash 2113422277, now seen corresponding path program 1 times [2025-01-10 01:55:04,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:04,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570680325] [2025-01-10 01:55:04,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:04,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:04,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-01-10 01:55:04,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-01-10 01:55:04,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:04,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-01-10 01:55:04,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:04,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570680325] [2025-01-10 01:55:04,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570680325] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:04,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238925599] [2025-01-10 01:55:04,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:04,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:04,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:04,841 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:04,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-10 01:55:04,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-01-10 01:55:04,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-01-10 01:55:04,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:04,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:04,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:55:04,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:04,929 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-01-10 01:55:04,929 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:05,029 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-01-10 01:55:05,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238925599] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:55:05,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:55:05,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2025-01-10 01:55:05,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547077937] [2025-01-10 01:55:05,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:05,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:55:05,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:05,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:55:05,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:55:05,031 INFO L87 Difference]: Start difference. First operand 1034 states and 1460 transitions. Second operand has 11 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-01-10 01:55:05,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:05,523 INFO L93 Difference]: Finished difference Result 1351 states and 1892 transitions. [2025-01-10 01:55:05,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 01:55:05,523 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 93 [2025-01-10 01:55:05,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:05,528 INFO L225 Difference]: With dead ends: 1351 [2025-01-10 01:55:05,528 INFO L226 Difference]: Without dead ends: 1349 [2025-01-10 01:55:05,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2025-01-10 01:55:05,529 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 850 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:05,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 497 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:55:05,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2025-01-10 01:55:05,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1038. [2025-01-10 01:55:05,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1038 states, 866 states have (on average 1.3325635103926097) internal successors, (1154), 889 states have internal predecessors, (1154), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2025-01-10 01:55:05,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1434 transitions. [2025-01-10 01:55:05,599 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1434 transitions. Word has length 93 [2025-01-10 01:55:05,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:05,600 INFO L471 AbstractCegarLoop]: Abstraction has 1038 states and 1434 transitions. [2025-01-10 01:55:05,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.7) internal successors, (127), 11 states have internal predecessors, (127), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2025-01-10 01:55:05,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1434 transitions. [2025-01-10 01:55:05,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-01-10 01:55:05,600 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:05,600 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:05,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:05,805 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,SelfDestructingSolverStorable27 [2025-01-10 01:55:05,805 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:05,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:05,805 INFO L85 PathProgramCache]: Analyzing trace with hash -520719331, now seen corresponding path program 1 times [2025-01-10 01:55:05,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:05,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230279555] [2025-01-10 01:55:05,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:05,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:05,809 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-01-10 01:55:05,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-01-10 01:55:05,814 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:05,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:05,845 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-01-10 01:55:05,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:05,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230279555] [2025-01-10 01:55:05,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230279555] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:05,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:05,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:55:05,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378139043] [2025-01-10 01:55:05,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:05,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:55:05,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:05,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:55:05,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:55:05,845 INFO L87 Difference]: Start difference. First operand 1038 states and 1434 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-01-10 01:55:05,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:05,923 INFO L93 Difference]: Finished difference Result 1038 states and 1434 transitions. [2025-01-10 01:55:05,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:55:05,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 95 [2025-01-10 01:55:05,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:05,927 INFO L225 Difference]: With dead ends: 1038 [2025-01-10 01:55:05,927 INFO L226 Difference]: Without dead ends: 1037 [2025-01-10 01:55:05,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:55:05,931 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 20 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:05,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 152 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:55:05,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2025-01-10 01:55:05,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1037. [2025-01-10 01:55:05,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 866 states have (on average 1.3221709006928406) internal successors, (1145), 888 states have internal predecessors, (1145), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2025-01-10 01:55:05,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1425 transitions. [2025-01-10 01:55:05,978 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1425 transitions. Word has length 95 [2025-01-10 01:55:05,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:05,978 INFO L471 AbstractCegarLoop]: Abstraction has 1037 states and 1425 transitions. [2025-01-10 01:55:05,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-01-10 01:55:05,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1425 transitions. [2025-01-10 01:55:05,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-01-10 01:55:05,979 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:05,979 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:05,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-01-10 01:55:05,980 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:05,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:05,980 INFO L85 PathProgramCache]: Analyzing trace with hash 2099900831, now seen corresponding path program 1 times [2025-01-10 01:55:05,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:05,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809150112] [2025-01-10 01:55:05,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:05,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:05,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-10 01:55:05,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-10 01:55:05,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:05,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:06,051 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-01-10 01:55:06,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:06,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809150112] [2025-01-10 01:55:06,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809150112] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:06,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065278326] [2025-01-10 01:55:06,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:06,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:06,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:06,054 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:06,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-10 01:55:06,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-10 01:55:06,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-10 01:55:06,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:06,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:06,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:55:06,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:06,213 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-01-10 01:55:06,214 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:55:06,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065278326] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:06,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:06,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-01-10 01:55:06,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454113893] [2025-01-10 01:55:06,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:06,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:55:06,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:06,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:55:06,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:55:06,216 INFO L87 Difference]: Start difference. First operand 1037 states and 1425 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-01-10 01:55:06,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:06,358 INFO L93 Difference]: Finished difference Result 1055 states and 1456 transitions. [2025-01-10 01:55:06,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:55:06,358 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 97 [2025-01-10 01:55:06,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:06,362 INFO L225 Difference]: With dead ends: 1055 [2025-01-10 01:55:06,362 INFO L226 Difference]: Without dead ends: 1054 [2025-01-10 01:55:06,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:55:06,362 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 66 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:06,363 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 154 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:55:06,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2025-01-10 01:55:06,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1036. [2025-01-10 01:55:06,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 866 states have (on average 1.3140877598152425) internal successors, (1138), 887 states have internal predecessors, (1138), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2025-01-10 01:55:06,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1418 transitions. [2025-01-10 01:55:06,418 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1418 transitions. Word has length 97 [2025-01-10 01:55:06,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:06,418 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1418 transitions. [2025-01-10 01:55:06,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-01-10 01:55:06,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1418 transitions. [2025-01-10 01:55:06,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-01-10 01:55:06,418 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:06,419 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:06,427 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-10 01:55:06,623 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 01:55:06,623 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:06,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:06,623 INFO L85 PathProgramCache]: Analyzing trace with hash 672416459, now seen corresponding path program 1 times [2025-01-10 01:55:06,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:06,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295454158] [2025-01-10 01:55:06,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:06,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:06,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-10 01:55:06,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-10 01:55:06,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:06,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:06,683 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-01-10 01:55:06,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:06,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295454158] [2025-01-10 01:55:06,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295454158] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:06,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509995789] [2025-01-10 01:55:06,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:06,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:06,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:06,686 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:06,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-10 01:55:06,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-10 01:55:06,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-10 01:55:06,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:06,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:06,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:55:06,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:06,840 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-01-10 01:55:06,841 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:06,939 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-01-10 01:55:06,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509995789] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:55:06,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:55:06,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-01-10 01:55:06,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661512081] [2025-01-10 01:55:06,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:06,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:55:06,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:06,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:55:06,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:55:06,940 INFO L87 Difference]: Start difference. First operand 1036 states and 1418 transitions. Second operand has 11 states, 10 states have (on average 15.6) internal successors, (156), 11 states have internal predecessors, (156), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-01-10 01:55:07,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:07,309 INFO L93 Difference]: Finished difference Result 1431 states and 1978 transitions. [2025-01-10 01:55:07,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:55:07,310 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 15.6) internal successors, (156), 11 states have internal predecessors, (156), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 98 [2025-01-10 01:55:07,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:07,315 INFO L225 Difference]: With dead ends: 1431 [2025-01-10 01:55:07,316 INFO L226 Difference]: Without dead ends: 1429 [2025-01-10 01:55:07,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:55:07,317 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 348 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:07,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 369 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:07,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1429 states. [2025-01-10 01:55:07,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1429 to 1186. [2025-01-10 01:55:07,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 998 states have (on average 1.312625250501002) internal successors, (1310), 1019 states have internal predecessors, (1310), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2025-01-10 01:55:07,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1626 transitions. [2025-01-10 01:55:07,406 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1626 transitions. Word has length 98 [2025-01-10 01:55:07,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:07,406 INFO L471 AbstractCegarLoop]: Abstraction has 1186 states and 1626 transitions. [2025-01-10 01:55:07,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 15.6) internal successors, (156), 11 states have internal predecessors, (156), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-01-10 01:55:07,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1626 transitions. [2025-01-10 01:55:07,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-01-10 01:55:07,409 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:07,409 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:07,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:07,609 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 01:55:07,609 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:07,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:07,610 INFO L85 PathProgramCache]: Analyzing trace with hash -184680476, now seen corresponding path program 1 times [2025-01-10 01:55:07,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:07,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427248875] [2025-01-10 01:55:07,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:07,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:07,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-01-10 01:55:07,622 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-01-10 01:55:07,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:07,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:07,697 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 01:55:07,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:07,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427248875] [2025-01-10 01:55:07,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427248875] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:07,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169664267] [2025-01-10 01:55:07,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:07,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:07,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:07,700 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:07,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-10 01:55:07,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-01-10 01:55:07,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-01-10 01:55:07,740 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:07,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:07,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:55:07,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:07,839 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 01:55:07,839 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:08,000 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 01:55:08,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169664267] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:55:08,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:55:08,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2025-01-10 01:55:08,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510651716] [2025-01-10 01:55:08,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:08,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:55:08,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:08,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:55:08,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:55:08,002 INFO L87 Difference]: Start difference. First operand 1186 states and 1626 transitions. Second operand has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2025-01-10 01:55:08,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:08,363 INFO L93 Difference]: Finished difference Result 1231 states and 1674 transitions. [2025-01-10 01:55:08,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:55:08,363 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 108 [2025-01-10 01:55:08,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:08,367 INFO L225 Difference]: With dead ends: 1231 [2025-01-10 01:55:08,368 INFO L226 Difference]: Without dead ends: 1230 [2025-01-10 01:55:08,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 210 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2025-01-10 01:55:08,368 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 390 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:08,368 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 355 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:55:08,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2025-01-10 01:55:08,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1115. [2025-01-10 01:55:08,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1115 states, 938 states have (on average 1.3091684434968016) internal successors, (1228), 958 states have internal predecessors, (1228), 148 states have call successors, (148), 8 states have call predecessors, (148), 8 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2025-01-10 01:55:08,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 1115 states and 1524 transitions. [2025-01-10 01:55:08,447 INFO L78 Accepts]: Start accepts. Automaton has 1115 states and 1524 transitions. Word has length 108 [2025-01-10 01:55:08,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:08,447 INFO L471 AbstractCegarLoop]: Abstraction has 1115 states and 1524 transitions. [2025-01-10 01:55:08,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.777777777777779) internal successors, (106), 10 states have internal predecessors, (106), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2025-01-10 01:55:08,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1524 transitions. [2025-01-10 01:55:08,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-01-10 01:55:08,448 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:08,449 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:08,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-01-10 01:55:08,649 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 01:55:08,649 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:08,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:08,650 INFO L85 PathProgramCache]: Analyzing trace with hash 2029841073, now seen corresponding path program 1 times [2025-01-10 01:55:08,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:08,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982414670] [2025-01-10 01:55:08,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:08,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:08,656 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-01-10 01:55:08,661 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-10 01:55:08,661 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:08,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:08,760 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 01:55:08,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:08,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982414670] [2025-01-10 01:55:08,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982414670] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:08,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36833025] [2025-01-10 01:55:08,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:08,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:08,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:08,763 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:08,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-01-10 01:55:08,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-01-10 01:55:08,806 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-10 01:55:08,806 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:08,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:08,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 01:55:08,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:08,945 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 159 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-01-10 01:55:08,945 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:09,091 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 01:55:09,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36833025] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:55:09,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:55:09,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 23 [2025-01-10 01:55:09,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994903383] [2025-01-10 01:55:09,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:09,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-10 01:55:09,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:09,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-10 01:55:09,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2025-01-10 01:55:09,092 INFO L87 Difference]: Start difference. First operand 1115 states and 1524 transitions. Second operand has 24 states, 23 states have (on average 8.08695652173913) internal successors, (186), 24 states have internal predecessors, (186), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2025-01-10 01:55:09,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:09,567 INFO L93 Difference]: Finished difference Result 1844 states and 2437 transitions. [2025-01-10 01:55:09,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-10 01:55:09,568 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.08695652173913) internal successors, (186), 24 states have internal predecessors, (186), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 110 [2025-01-10 01:55:09,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:09,573 INFO L225 Difference]: With dead ends: 1844 [2025-01-10 01:55:09,573 INFO L226 Difference]: Without dead ends: 1582 [2025-01-10 01:55:09,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=630, Invalid=1920, Unknown=0, NotChecked=0, Total=2550 [2025-01-10 01:55:09,575 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 371 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:09,575 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 732 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:55:09,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2025-01-10 01:55:09,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1385. [2025-01-10 01:55:09,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 1169 states have (on average 1.2891360136869119) internal successors, (1507), 1189 states have internal predecessors, (1507), 181 states have call successors, (181), 14 states have call predecessors, (181), 14 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2025-01-10 01:55:09,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1869 transitions. [2025-01-10 01:55:09,656 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1869 transitions. Word has length 110 [2025-01-10 01:55:09,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:09,656 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 1869 transitions. [2025-01-10 01:55:09,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.08695652173913) internal successors, (186), 24 states have internal predecessors, (186), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2025-01-10 01:55:09,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1869 transitions. [2025-01-10 01:55:09,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-01-10 01:55:09,657 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:09,658 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:09,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:09,858 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 01:55:09,858 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:09,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:09,859 INFO L85 PathProgramCache]: Analyzing trace with hash 402489564, now seen corresponding path program 1 times [2025-01-10 01:55:09,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:09,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447208132] [2025-01-10 01:55:09,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:09,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:09,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-01-10 01:55:09,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-10 01:55:09,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:09,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:09,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1739052039] [2025-01-10 01:55:09,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:09,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:09,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:09,873 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:09,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-01-10 01:55:09,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-01-10 01:55:09,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-10 01:55:09,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:09,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:09,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:55:09,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:10,296 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 01:55:10,297 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:10,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:10,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447208132] [2025-01-10 01:55:10,412 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:10,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739052039] [2025-01-10 01:55:10,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739052039] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:10,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:10,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-01-10 01:55:10,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649388964] [2025-01-10 01:55:10,412 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:10,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:55:10,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:10,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:55:10,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:55:10,413 INFO L87 Difference]: Start difference. First operand 1385 states and 1869 transitions. Second operand has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-01-10 01:55:11,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:11,031 INFO L93 Difference]: Finished difference Result 2634 states and 3648 transitions. [2025-01-10 01:55:11,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 01:55:11,032 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 110 [2025-01-10 01:55:11,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:11,039 INFO L225 Difference]: With dead ends: 2634 [2025-01-10 01:55:11,039 INFO L226 Difference]: Without dead ends: 2631 [2025-01-10 01:55:11,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2025-01-10 01:55:11,040 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 273 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:11,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 343 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:55:11,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states. [2025-01-10 01:55:11,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 1441. [2025-01-10 01:55:11,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1441 states, 1216 states have (on average 1.2886513157894737) internal successors, (1567), 1236 states have internal predecessors, (1567), 190 states have call successors, (190), 14 states have call predecessors, (190), 14 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2025-01-10 01:55:11,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1441 states and 1947 transitions. [2025-01-10 01:55:11,119 INFO L78 Accepts]: Start accepts. Automaton has 1441 states and 1947 transitions. Word has length 110 [2025-01-10 01:55:11,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:11,119 INFO L471 AbstractCegarLoop]: Abstraction has 1441 states and 1947 transitions. [2025-01-10 01:55:11,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-01-10 01:55:11,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1947 transitions. [2025-01-10 01:55:11,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-01-10 01:55:11,120 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:11,120 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:11,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:11,321 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 01:55:11,321 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:11,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:11,321 INFO L85 PathProgramCache]: Analyzing trace with hash -407725342, now seen corresponding path program 1 times [2025-01-10 01:55:11,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:11,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459892466] [2025-01-10 01:55:11,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:11,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:11,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-01-10 01:55:11,330 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-01-10 01:55:11,330 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:11,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:11,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1930073248] [2025-01-10 01:55:11,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:11,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:11,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:11,333 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:11,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-01-10 01:55:11,359 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-01-10 01:55:11,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-01-10 01:55:11,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:11,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:11,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:55:11,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:11,695 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 01:55:11,695 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:11,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:11,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459892466] [2025-01-10 01:55:11,931 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:11,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930073248] [2025-01-10 01:55:11,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930073248] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:11,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:11,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-01-10 01:55:11,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330123483] [2025-01-10 01:55:11,931 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:11,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:55:11,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:11,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:55:11,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:55:11,932 INFO L87 Difference]: Start difference. First operand 1441 states and 1947 transitions. Second operand has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-01-10 01:55:12,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:12,368 INFO L93 Difference]: Finished difference Result 1587 states and 2134 transitions. [2025-01-10 01:55:12,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 01:55:12,368 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 111 [2025-01-10 01:55:12,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:12,372 INFO L225 Difference]: With dead ends: 1587 [2025-01-10 01:55:12,373 INFO L226 Difference]: Without dead ends: 1584 [2025-01-10 01:55:12,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:55:12,373 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 84 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:12,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 429 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:55:12,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2025-01-10 01:55:12,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1555. [2025-01-10 01:55:12,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1555 states, 1313 states have (on average 1.2871287128712872) internal successors, (1690), 1333 states have internal predecessors, (1690), 207 states have call successors, (207), 14 states have call predecessors, (207), 14 states have return successors, (207), 207 states have call predecessors, (207), 207 states have call successors, (207) [2025-01-10 01:55:12,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 1555 states and 2104 transitions. [2025-01-10 01:55:12,452 INFO L78 Accepts]: Start accepts. Automaton has 1555 states and 2104 transitions. Word has length 111 [2025-01-10 01:55:12,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:12,452 INFO L471 AbstractCegarLoop]: Abstraction has 1555 states and 2104 transitions. [2025-01-10 01:55:12,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.111111111111111) internal successors, (64), 10 states have internal predecessors, (64), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2025-01-10 01:55:12,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 2104 transitions. [2025-01-10 01:55:12,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-01-10 01:55:12,453 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:12,454 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:12,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:12,654 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 01:55:12,654 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:12,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:12,655 INFO L85 PathProgramCache]: Analyzing trace with hash 245416350, now seen corresponding path program 1 times [2025-01-10 01:55:12,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:12,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192230056] [2025-01-10 01:55:12,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:12,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:12,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-01-10 01:55:12,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-01-10 01:55:12,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:12,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:12,709 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 01:55:12,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:12,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192230056] [2025-01-10 01:55:12,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192230056] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:12,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:12,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 01:55:12,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333700645] [2025-01-10 01:55:12,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:12,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:55:12,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:12,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:55:12,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:55:12,710 INFO L87 Difference]: Start difference. First operand 1555 states and 2104 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 01:55:12,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:12,967 INFO L93 Difference]: Finished difference Result 1562 states and 2107 transitions. [2025-01-10 01:55:12,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:55:12,967 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 112 [2025-01-10 01:55:12,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:12,972 INFO L225 Difference]: With dead ends: 1562 [2025-01-10 01:55:12,972 INFO L226 Difference]: Without dead ends: 1560 [2025-01-10 01:55:12,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:55:12,972 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 105 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:12,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 226 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:55:12,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2025-01-10 01:55:13,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1521. [2025-01-10 01:55:13,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1285 states have (on average 1.2785992217898832) internal successors, (1643), 1303 states have internal predecessors, (1643), 203 states have call successors, (203), 14 states have call predecessors, (203), 14 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2025-01-10 01:55:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2049 transitions. [2025-01-10 01:55:13,068 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2049 transitions. Word has length 112 [2025-01-10 01:55:13,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:13,068 INFO L471 AbstractCegarLoop]: Abstraction has 1521 states and 2049 transitions. [2025-01-10 01:55:13,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 01:55:13,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2049 transitions. [2025-01-10 01:55:13,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-01-10 01:55:13,069 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:13,069 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:13,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-01-10 01:55:13,069 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:13,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:13,070 INFO L85 PathProgramCache]: Analyzing trace with hash -2144039356, now seen corresponding path program 2 times [2025-01-10 01:55:13,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:13,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218606257] [2025-01-10 01:55:13,070 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:13,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:13,074 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 113 statements into 2 equivalence classes. [2025-01-10 01:55:13,085 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 113 of 113 statements. [2025-01-10 01:55:13,085 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:13,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:13,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2134704357] [2025-01-10 01:55:13,086 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:13,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:13,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:13,090 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:13,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-01-10 01:55:13,113 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 113 statements into 2 equivalence classes. [2025-01-10 01:55:13,130 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 113 of 113 statements. [2025-01-10 01:55:13,130 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:13,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:13,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 01:55:13,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:13,370 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-01-10 01:55:13,371 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:13,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:13,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218606257] [2025-01-10 01:55:13,530 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:13,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134704357] [2025-01-10 01:55:13,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134704357] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:13,530 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:13,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 01:55:13,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514398468] [2025-01-10 01:55:13,530 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:13,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:55:13,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:13,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:55:13,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:55:13,531 INFO L87 Difference]: Start difference. First operand 1521 states and 2049 transitions. Second operand has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-01-10 01:55:13,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:13,939 INFO L93 Difference]: Finished difference Result 1829 states and 2505 transitions. [2025-01-10 01:55:13,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:55:13,939 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 113 [2025-01-10 01:55:13,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:13,948 INFO L225 Difference]: With dead ends: 1829 [2025-01-10 01:55:13,949 INFO L226 Difference]: Without dead ends: 1825 [2025-01-10 01:55:13,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:55:13,950 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 221 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:13,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 423 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:13,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1825 states. [2025-01-10 01:55:14,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1825 to 1521. [2025-01-10 01:55:14,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1285 states have (on average 1.2622568093385214) internal successors, (1622), 1303 states have internal predecessors, (1622), 203 states have call successors, (203), 14 states have call predecessors, (203), 14 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2025-01-10 01:55:14,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2028 transitions. [2025-01-10 01:55:14,038 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2028 transitions. Word has length 113 [2025-01-10 01:55:14,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:14,038 INFO L471 AbstractCegarLoop]: Abstraction has 1521 states and 2028 transitions. [2025-01-10 01:55:14,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.9) internal successors, (69), 11 states have internal predecessors, (69), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-01-10 01:55:14,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2028 transitions. [2025-01-10 01:55:14,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-01-10 01:55:14,039 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:14,039 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:14,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:14,239 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,SelfDestructingSolverStorable36 [2025-01-10 01:55:14,240 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:14,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:14,240 INFO L85 PathProgramCache]: Analyzing trace with hash -982027676, now seen corresponding path program 1 times [2025-01-10 01:55:14,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:14,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535741955] [2025-01-10 01:55:14,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:14,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:14,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-01-10 01:55:14,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-01-10 01:55:14,252 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:14,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:14,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1754290892] [2025-01-10 01:55:14,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:14,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:14,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:14,257 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:14,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-01-10 01:55:14,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-01-10 01:55:14,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-01-10 01:55:14,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:14,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:14,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 01:55:14,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:14,596 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 01:55:14,596 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:14,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:14,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535741955] [2025-01-10 01:55:14,756 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:14,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754290892] [2025-01-10 01:55:14,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754290892] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:14,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:14,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 01:55:14,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974459893] [2025-01-10 01:55:14,757 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:14,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:55:14,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:14,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:55:14,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:55:14,757 INFO L87 Difference]: Start difference. First operand 1521 states and 2028 transitions. Second operand has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 01:55:15,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:15,148 INFO L93 Difference]: Finished difference Result 1547 states and 2045 transitions. [2025-01-10 01:55:15,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:55:15,148 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 113 [2025-01-10 01:55:15,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:15,152 INFO L225 Difference]: With dead ends: 1547 [2025-01-10 01:55:15,152 INFO L226 Difference]: Without dead ends: 1540 [2025-01-10 01:55:15,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2025-01-10 01:55:15,153 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 210 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:15,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 357 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:15,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2025-01-10 01:55:15,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 1387. [2025-01-10 01:55:15,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1387 states, 1171 states have (on average 1.2604611443210931) internal successors, (1476), 1190 states have internal predecessors, (1476), 183 states have call successors, (183), 14 states have call predecessors, (183), 14 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2025-01-10 01:55:15,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1842 transitions. [2025-01-10 01:55:15,221 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1842 transitions. Word has length 113 [2025-01-10 01:55:15,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:15,221 INFO L471 AbstractCegarLoop]: Abstraction has 1387 states and 1842 transitions. [2025-01-10 01:55:15,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 01:55:15,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1842 transitions. [2025-01-10 01:55:15,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-01-10 01:55:15,222 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:15,222 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:55:15,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:15,423 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,SelfDestructingSolverStorable37 [2025-01-10 01:55:15,423 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:15,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:15,423 INFO L85 PathProgramCache]: Analyzing trace with hash -345996567, now seen corresponding path program 2 times [2025-01-10 01:55:15,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:15,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584771812] [2025-01-10 01:55:15,424 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:15,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:15,427 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 123 statements into 2 equivalence classes. [2025-01-10 01:55:15,432 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 123 of 123 statements. [2025-01-10 01:55:15,432 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:15,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:15,472 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-01-10 01:55:15,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:15,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584771812] [2025-01-10 01:55:15,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584771812] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:15,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:15,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 01:55:15,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972514794] [2025-01-10 01:55:15,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:15,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:55:15,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:15,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:55:15,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:55:15,475 INFO L87 Difference]: Start difference. First operand 1387 states and 1842 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-01-10 01:55:15,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:15,760 INFO L93 Difference]: Finished difference Result 2418 states and 3261 transitions. [2025-01-10 01:55:15,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:55:15,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 123 [2025-01-10 01:55:15,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:15,768 INFO L225 Difference]: With dead ends: 2418 [2025-01-10 01:55:15,769 INFO L226 Difference]: Without dead ends: 1424 [2025-01-10 01:55:15,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:55:15,773 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 52 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:15,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 178 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:55:15,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2025-01-10 01:55:15,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1357. [2025-01-10 01:55:15,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1357 states, 1145 states have (on average 1.2724890829694324) internal successors, (1457), 1163 states have internal predecessors, (1457), 181 states have call successors, (181), 12 states have call predecessors, (181), 12 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2025-01-10 01:55:15,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1819 transitions. [2025-01-10 01:55:15,858 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1819 transitions. Word has length 123 [2025-01-10 01:55:15,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:15,858 INFO L471 AbstractCegarLoop]: Abstraction has 1357 states and 1819 transitions. [2025-01-10 01:55:15,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-01-10 01:55:15,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1819 transitions. [2025-01-10 01:55:15,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-01-10 01:55:15,859 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:15,859 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:15,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-01-10 01:55:15,859 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:15,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:15,859 INFO L85 PathProgramCache]: Analyzing trace with hash 262107551, now seen corresponding path program 1 times [2025-01-10 01:55:15,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:15,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366897316] [2025-01-10 01:55:15,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:15,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:15,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-01-10 01:55:15,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-01-10 01:55:15,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:15,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:15,975 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-01-10 01:55:15,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:15,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366897316] [2025-01-10 01:55:15,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366897316] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:15,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924040808] [2025-01-10 01:55:15,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:15,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:15,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:15,979 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:15,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-01-10 01:55:16,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-01-10 01:55:16,023 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-01-10 01:55:16,024 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:16,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:16,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 01:55:16,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:16,125 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 213 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-01-10 01:55:16,126 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:16,264 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 2 proven. 37 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-01-10 01:55:16,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924040808] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:55:16,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:55:16,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2025-01-10 01:55:16,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055291810] [2025-01-10 01:55:16,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:16,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-10 01:55:16,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:16,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-10 01:55:16,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2025-01-10 01:55:16,265 INFO L87 Difference]: Start difference. First operand 1357 states and 1819 transitions. Second operand has 22 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2025-01-10 01:55:16,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:16,616 INFO L93 Difference]: Finished difference Result 1987 states and 2609 transitions. [2025-01-10 01:55:16,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-10 01:55:16,617 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) Word has length 125 [2025-01-10 01:55:16,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:16,620 INFO L225 Difference]: With dead ends: 1987 [2025-01-10 01:55:16,620 INFO L226 Difference]: Without dead ends: 1507 [2025-01-10 01:55:16,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=467, Invalid=1513, Unknown=0, NotChecked=0, Total=1980 [2025-01-10 01:55:16,622 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 273 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:16,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 809 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:55:16,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1507 states. [2025-01-10 01:55:16,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1507 to 1458. [2025-01-10 01:55:16,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1458 states, 1229 states have (on average 1.2530512611879576) internal successors, (1540), 1249 states have internal predecessors, (1540), 190 states have call successors, (190), 20 states have call predecessors, (190), 20 states have return successors, (190), 188 states have call predecessors, (190), 190 states have call successors, (190) [2025-01-10 01:55:16,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1920 transitions. [2025-01-10 01:55:16,707 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1920 transitions. Word has length 125 [2025-01-10 01:55:16,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:16,708 INFO L471 AbstractCegarLoop]: Abstraction has 1458 states and 1920 transitions. [2025-01-10 01:55:16,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.954545454545454) internal successors, (153), 22 states have internal predecessors, (153), 8 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 8 states have call predecessors, (33), 8 states have call successors, (33) [2025-01-10 01:55:16,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1920 transitions. [2025-01-10 01:55:16,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2025-01-10 01:55:16,710 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:16,710 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:16,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:16,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-01-10 01:55:16,911 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:16,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:16,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1416021441, now seen corresponding path program 2 times [2025-01-10 01:55:16,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:16,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148459130] [2025-01-10 01:55:16,911 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:16,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:16,919 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 151 statements into 2 equivalence classes. [2025-01-10 01:55:16,928 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 151 of 151 statements. [2025-01-10 01:55:16,929 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:16,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:16,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [45215659] [2025-01-10 01:55:16,929 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:16,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:16,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:16,931 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:16,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-01-10 01:55:16,959 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 151 statements into 2 equivalence classes. [2025-01-10 01:55:16,979 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 151 of 151 statements. [2025-01-10 01:55:16,979 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:16,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:16,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 01:55:16,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:17,310 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-01-10 01:55:17,310 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:55:17,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:17,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148459130] [2025-01-10 01:55:17,310 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:17,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45215659] [2025-01-10 01:55:17,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45215659] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:17,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:17,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-01-10 01:55:17,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778409629] [2025-01-10 01:55:17,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:17,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:55:17,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:17,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:55:17,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:55:17,311 INFO L87 Difference]: Start difference. First operand 1458 states and 1920 transitions. Second operand has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2025-01-10 01:55:17,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:17,745 INFO L93 Difference]: Finished difference Result 1991 states and 2670 transitions. [2025-01-10 01:55:17,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:55:17,745 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 151 [2025-01-10 01:55:17,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:17,749 INFO L225 Difference]: With dead ends: 1991 [2025-01-10 01:55:17,749 INFO L226 Difference]: Without dead ends: 1988 [2025-01-10 01:55:17,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:55:17,750 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 150 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:17,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 626 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:17,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2025-01-10 01:55:17,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1047. [2025-01-10 01:55:17,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 877 states have (on average 1.2075256556442417) internal successors, (1059), 894 states have internal predecessors, (1059), 134 states have call successors, (134), 20 states have call predecessors, (134), 20 states have return successors, (134), 132 states have call predecessors, (134), 134 states have call successors, (134) [2025-01-10 01:55:17,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1327 transitions. [2025-01-10 01:55:17,816 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1327 transitions. Word has length 151 [2025-01-10 01:55:17,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:17,816 INFO L471 AbstractCegarLoop]: Abstraction has 1047 states and 1327 transitions. [2025-01-10 01:55:17,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2025-01-10 01:55:17,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1327 transitions. [2025-01-10 01:55:17,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2025-01-10 01:55:17,817 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:17,817 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:17,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:18,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2025-01-10 01:55:18,018 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:18,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:18,018 INFO L85 PathProgramCache]: Analyzing trace with hash 946991773, now seen corresponding path program 2 times [2025-01-10 01:55:18,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:18,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653660171] [2025-01-10 01:55:18,019 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:18,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:18,022 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 152 statements into 2 equivalence classes. [2025-01-10 01:55:18,030 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 152 of 152 statements. [2025-01-10 01:55:18,030 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:18,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:18,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1848562332] [2025-01-10 01:55:18,031 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:18,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:18,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:18,033 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:18,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-01-10 01:55:18,058 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 152 statements into 2 equivalence classes. [2025-01-10 01:55:18,080 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 152 of 152 statements. [2025-01-10 01:55:18,080 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:18,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:18,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 01:55:18,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:18,429 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-01-10 01:55:18,429 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:18,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:18,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653660171] [2025-01-10 01:55:18,580 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:18,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848562332] [2025-01-10 01:55:18,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848562332] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:18,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:18,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-01-10 01:55:18,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110442583] [2025-01-10 01:55:18,580 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:18,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:55:18,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:18,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:55:18,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:55:18,581 INFO L87 Difference]: Start difference. First operand 1047 states and 1327 transitions. Second operand has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2025-01-10 01:55:18,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:18,815 INFO L93 Difference]: Finished difference Result 1174 states and 1492 transitions. [2025-01-10 01:55:18,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 01:55:18,816 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 152 [2025-01-10 01:55:18,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:18,818 INFO L225 Difference]: With dead ends: 1174 [2025-01-10 01:55:18,818 INFO L226 Difference]: Without dead ends: 1171 [2025-01-10 01:55:18,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:55:18,819 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 202 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:18,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 260 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:55:18,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2025-01-10 01:55:18,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1148. [2025-01-10 01:55:18,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 962 states have (on average 1.212058212058212) internal successors, (1166), 979 states have internal predecessors, (1166), 150 states have call successors, (150), 20 states have call predecessors, (150), 20 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2025-01-10 01:55:18,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1466 transitions. [2025-01-10 01:55:18,891 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1466 transitions. Word has length 152 [2025-01-10 01:55:18,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:18,891 INFO L471 AbstractCegarLoop]: Abstraction has 1148 states and 1466 transitions. [2025-01-10 01:55:18,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.444444444444445) internal successors, (85), 10 states have internal predecessors, (85), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2025-01-10 01:55:18,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1466 transitions. [2025-01-10 01:55:18,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-01-10 01:55:18,892 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:18,892 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:18,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-01-10 01:55:19,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:19,092 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:19,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:19,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1635982529, now seen corresponding path program 3 times [2025-01-10 01:55:19,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:19,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750688] [2025-01-10 01:55:19,096 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:55:19,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:19,101 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 154 statements into 13 equivalence classes. [2025-01-10 01:55:19,121 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 154 of 154 statements. [2025-01-10 01:55:19,121 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-01-10 01:55:19,121 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:19,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1707764718] [2025-01-10 01:55:19,122 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:55:19,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:19,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:19,123 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:19,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-01-10 01:55:19,151 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 154 statements into 13 equivalence classes. [2025-01-10 01:55:19,160 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 37 of 154 statements. [2025-01-10 01:55:19,160 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 01:55:19,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:19,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 01:55:19,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:19,452 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 45 proven. 26 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2025-01-10 01:55:19,452 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:19,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:19,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750688] [2025-01-10 01:55:19,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:19,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707764718] [2025-01-10 01:55:19,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707764718] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:19,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:19,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-01-10 01:55:19,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940416238] [2025-01-10 01:55:19,651 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:19,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:55:19,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:19,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:55:19,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:55:19,652 INFO L87 Difference]: Start difference. First operand 1148 states and 1466 transitions. Second operand has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:55:20,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:20,129 INFO L93 Difference]: Finished difference Result 1368 states and 1756 transitions. [2025-01-10 01:55:20,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:55:20,130 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 154 [2025-01-10 01:55:20,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:20,132 INFO L225 Difference]: With dead ends: 1368 [2025-01-10 01:55:20,132 INFO L226 Difference]: Without dead ends: 1364 [2025-01-10 01:55:20,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2025-01-10 01:55:20,133 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 305 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:20,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 423 Invalid, 745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:20,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2025-01-10 01:55:20,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1138. [2025-01-10 01:55:20,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 952 states have (on average 1.194327731092437) internal successors, (1137), 969 states have internal predecessors, (1137), 150 states have call successors, (150), 20 states have call predecessors, (150), 20 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2025-01-10 01:55:20,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1437 transitions. [2025-01-10 01:55:20,206 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1437 transitions. Word has length 154 [2025-01-10 01:55:20,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:20,206 INFO L471 AbstractCegarLoop]: Abstraction has 1138 states and 1437 transitions. [2025-01-10 01:55:20,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:55:20,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1437 transitions. [2025-01-10 01:55:20,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2025-01-10 01:55:20,206 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:20,206 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:20,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:20,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2025-01-10 01:55:20,407 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:20,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:20,407 INFO L85 PathProgramCache]: Analyzing trace with hash -473970849, now seen corresponding path program 2 times [2025-01-10 01:55:20,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:20,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141739571] [2025-01-10 01:55:20,408 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:20,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:20,412 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 154 statements into 2 equivalence classes. [2025-01-10 01:55:20,420 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 154 of 154 statements. [2025-01-10 01:55:20,420 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:20,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:20,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1460252649] [2025-01-10 01:55:20,420 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:20,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:20,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:20,424 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:20,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-01-10 01:55:20,448 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 154 statements into 2 equivalence classes. [2025-01-10 01:55:20,472 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 154 of 154 statements. [2025-01-10 01:55:20,472 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:20,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:20,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 01:55:20,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:20,863 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-01-10 01:55:20,864 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:21,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:21,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141739571] [2025-01-10 01:55:21,525 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:21,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460252649] [2025-01-10 01:55:21,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460252649] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:21,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:21,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 01:55:21,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459986064] [2025-01-10 01:55:21,526 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:21,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 01:55:21,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:21,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 01:55:21,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2025-01-10 01:55:21,526 INFO L87 Difference]: Start difference. First operand 1138 states and 1437 transitions. Second operand has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-01-10 01:55:21,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:21,885 INFO L93 Difference]: Finished difference Result 1162 states and 1452 transitions. [2025-01-10 01:55:21,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:55:21,886 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 154 [2025-01-10 01:55:21,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:21,888 INFO L225 Difference]: With dead ends: 1162 [2025-01-10 01:55:21,888 INFO L226 Difference]: Without dead ends: 1155 [2025-01-10 01:55:21,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2025-01-10 01:55:21,889 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 86 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:21,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 359 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:21,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2025-01-10 01:55:21,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1062. [2025-01-10 01:55:21,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 888 states have (on average 1.177927927927928) internal successors, (1046), 905 states have internal predecessors, (1046), 138 states have call successors, (138), 20 states have call predecessors, (138), 20 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2025-01-10 01:55:21,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1322 transitions. [2025-01-10 01:55:21,956 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1322 transitions. Word has length 154 [2025-01-10 01:55:21,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:21,957 INFO L471 AbstractCegarLoop]: Abstraction has 1062 states and 1322 transitions. [2025-01-10 01:55:21,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.909090909090909) internal successors, (87), 12 states have internal predecessors, (87), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2025-01-10 01:55:21,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1322 transitions. [2025-01-10 01:55:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2025-01-10 01:55:21,958 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:21,958 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:21,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-01-10 01:55:22,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:22,158 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:22,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:22,159 INFO L85 PathProgramCache]: Analyzing trace with hash -695526876, now seen corresponding path program 3 times [2025-01-10 01:55:22,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:22,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726566114] [2025-01-10 01:55:22,159 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:55:22,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:22,163 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 164 statements into 11 equivalence classes. [2025-01-10 01:55:22,190 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 164 of 164 statements. [2025-01-10 01:55:22,190 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 01:55:22,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:22,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1183087284] [2025-01-10 01:55:22,192 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:55:22,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:22,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:22,196 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:22,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-01-10 01:55:22,225 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 164 statements into 11 equivalence classes. [2025-01-10 01:55:22,249 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 72 of 164 statements. [2025-01-10 01:55:22,249 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-10 01:55:22,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:22,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-01-10 01:55:22,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:22,976 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 100 proven. 76 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2025-01-10 01:55:22,976 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:23,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:23,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726566114] [2025-01-10 01:55:23,351 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:23,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183087284] [2025-01-10 01:55:23,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183087284] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:23,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:23,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2025-01-10 01:55:23,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350921558] [2025-01-10 01:55:23,352 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:23,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-10 01:55:23,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:23,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-10 01:55:23,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2025-01-10 01:55:23,352 INFO L87 Difference]: Start difference. First operand 1062 states and 1322 transitions. Second operand has 17 states, 16 states have (on average 5.25) internal successors, (84), 17 states have internal predecessors, (84), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-01-10 01:55:25,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 01:55:26,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 01:55:27,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:27,024 INFO L93 Difference]: Finished difference Result 1705 states and 2184 transitions. [2025-01-10 01:55:27,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 01:55:27,025 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.25) internal successors, (84), 17 states have internal predecessors, (84), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 164 [2025-01-10 01:55:27,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:27,028 INFO L225 Difference]: With dead ends: 1705 [2025-01-10 01:55:27,028 INFO L226 Difference]: Without dead ends: 1694 [2025-01-10 01:55:27,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=254, Invalid=936, Unknown=0, NotChecked=0, Total=1190 [2025-01-10 01:55:27,029 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 368 mSDsluCounter, 522 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 50 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:27,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 592 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1201 Invalid, 2 Unknown, 0 Unchecked, 3.2s Time] [2025-01-10 01:55:27,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2025-01-10 01:55:27,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1519. [2025-01-10 01:55:27,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 1279 states have (on average 1.1892103205629398) internal successors, (1521), 1296 states have internal predecessors, (1521), 204 states have call successors, (204), 20 states have call predecessors, (204), 20 states have return successors, (204), 202 states have call predecessors, (204), 204 states have call successors, (204) [2025-01-10 01:55:27,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 1929 transitions. [2025-01-10 01:55:27,144 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 1929 transitions. Word has length 164 [2025-01-10 01:55:27,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:27,144 INFO L471 AbstractCegarLoop]: Abstraction has 1519 states and 1929 transitions. [2025-01-10 01:55:27,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.25) internal successors, (84), 17 states have internal predecessors, (84), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-01-10 01:55:27,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1929 transitions. [2025-01-10 01:55:27,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-01-10 01:55:27,145 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:27,145 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:27,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-01-10 01:55:27,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:27,346 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:27,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:27,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1613572390, now seen corresponding path program 3 times [2025-01-10 01:55:27,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:27,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509470058] [2025-01-10 01:55:27,346 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:55:27,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:27,351 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 166 statements into 11 equivalence classes. [2025-01-10 01:55:27,366 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 166 of 166 statements. [2025-01-10 01:55:27,368 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 01:55:27,368 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:27,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1296320248] [2025-01-10 01:55:27,368 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:55:27,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:27,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:27,370 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:27,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-01-10 01:55:27,398 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 166 statements into 11 equivalence classes. [2025-01-10 01:55:27,425 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 74 of 166 statements. [2025-01-10 01:55:27,426 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-10 01:55:27,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:27,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-10 01:55:27,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:27,677 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 66 proven. 79 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2025-01-10 01:55:27,678 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:27,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:27,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509470058] [2025-01-10 01:55:27,872 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:27,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296320248] [2025-01-10 01:55:27,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296320248] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:27,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:27,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 01:55:27,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728475451] [2025-01-10 01:55:27,872 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:27,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:55:27,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:27,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:55:27,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:55:27,873 INFO L87 Difference]: Start difference. First operand 1519 states and 1929 transitions. Second operand has 11 states, 10 states have (on average 8.2) internal successors, (82), 11 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2025-01-10 01:55:28,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:28,515 INFO L93 Difference]: Finished difference Result 1552 states and 1970 transitions. [2025-01-10 01:55:28,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 01:55:28,520 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.2) internal successors, (82), 11 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 166 [2025-01-10 01:55:28,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:28,524 INFO L225 Difference]: With dead ends: 1552 [2025-01-10 01:55:28,524 INFO L226 Difference]: Without dead ends: 1502 [2025-01-10 01:55:28,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 208 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2025-01-10 01:55:28,525 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 241 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:28,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 185 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:55:28,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2025-01-10 01:55:28,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1476. [2025-01-10 01:55:28,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1476 states, 1244 states have (on average 1.1631832797427653) internal successors, (1447), 1257 states have internal predecessors, (1447), 198 states have call successors, (198), 20 states have call predecessors, (198), 20 states have return successors, (198), 198 states have call predecessors, (198), 198 states have call successors, (198) [2025-01-10 01:55:28,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1476 states and 1843 transitions. [2025-01-10 01:55:28,655 INFO L78 Accepts]: Start accepts. Automaton has 1476 states and 1843 transitions. Word has length 166 [2025-01-10 01:55:28,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:28,655 INFO L471 AbstractCegarLoop]: Abstraction has 1476 states and 1843 transitions. [2025-01-10 01:55:28,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.2) internal successors, (82), 11 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2025-01-10 01:55:28,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1843 transitions. [2025-01-10 01:55:28,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2025-01-10 01:55:28,656 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:28,656 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:28,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-01-10 01:55:28,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-01-10 01:55:28,860 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:28,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:28,860 INFO L85 PathProgramCache]: Analyzing trace with hash -9655383, now seen corresponding path program 2 times [2025-01-10 01:55:28,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:28,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212481100] [2025-01-10 01:55:28,860 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:28,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:28,865 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 215 statements into 2 equivalence classes. [2025-01-10 01:55:28,871 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 215 of 215 statements. [2025-01-10 01:55:28,871 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:28,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2025-01-10 01:55:28,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:28,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212481100] [2025-01-10 01:55:28,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212481100] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:28,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742291354] [2025-01-10 01:55:28,961 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:28,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:28,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:28,965 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:28,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-01-10 01:55:28,996 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 215 statements into 2 equivalence classes. [2025-01-10 01:55:29,025 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 215 of 215 statements. [2025-01-10 01:55:29,025 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:29,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:29,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:55:29,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:29,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2025-01-10 01:55:29,142 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:29,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2025-01-10 01:55:29,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742291354] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:55:29,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:55:29,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-01-10 01:55:29,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408144200] [2025-01-10 01:55:29,342 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:29,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:55:29,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:29,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:55:29,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:55:29,344 INFO L87 Difference]: Start difference. First operand 1476 states and 1843 transitions. Second operand has 14 states, 13 states have (on average 16.076923076923077) internal successors, (209), 14 states have internal predecessors, (209), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2025-01-10 01:55:29,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:29,893 INFO L93 Difference]: Finished difference Result 2769 states and 3569 transitions. [2025-01-10 01:55:29,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 01:55:29,894 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 16.076923076923077) internal successors, (209), 14 states have internal predecessors, (209), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) Word has length 215 [2025-01-10 01:55:29,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:29,898 INFO L225 Difference]: With dead ends: 2769 [2025-01-10 01:55:29,898 INFO L226 Difference]: Without dead ends: 2768 [2025-01-10 01:55:29,899 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:55:29,899 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 676 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 703 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:29,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [703 Valid, 627 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:29,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2768 states. [2025-01-10 01:55:30,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2768 to 2067. [2025-01-10 01:55:30,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2067 states, 1733 states have (on average 1.2065781881130986) internal successors, (2091), 1746 states have internal predecessors, (2091), 300 states have call successors, (300), 20 states have call predecessors, (300), 20 states have return successors, (300), 300 states have call predecessors, (300), 300 states have call successors, (300) [2025-01-10 01:55:30,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 2067 states and 2691 transitions. [2025-01-10 01:55:30,090 INFO L78 Accepts]: Start accepts. Automaton has 2067 states and 2691 transitions. Word has length 215 [2025-01-10 01:55:30,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:30,090 INFO L471 AbstractCegarLoop]: Abstraction has 2067 states and 2691 transitions. [2025-01-10 01:55:30,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 16.076923076923077) internal successors, (209), 14 states have internal predecessors, (209), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2025-01-10 01:55:30,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 2691 transitions. [2025-01-10 01:55:30,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2025-01-10 01:55:30,092 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:30,092 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:30,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:30,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-01-10 01:55:30,293 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:30,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:30,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1158025559, now seen corresponding path program 1 times [2025-01-10 01:55:30,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:30,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985790045] [2025-01-10 01:55:30,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:30,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:30,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 233 statements into 1 equivalence classes. [2025-01-10 01:55:30,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 233 of 233 statements. [2025-01-10 01:55:30,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:30,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:30,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-01-10 01:55:30,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:30,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985790045] [2025-01-10 01:55:30,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985790045] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:30,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920136927] [2025-01-10 01:55:30,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:30,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:30,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:30,427 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:30,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-01-10 01:55:30,455 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 233 statements into 1 equivalence classes. [2025-01-10 01:55:30,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 233 of 233 statements. [2025-01-10 01:55:30,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:30,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:30,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 01:55:30,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:30,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-01-10 01:55:30,719 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:30,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-01-10 01:55:30,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920136927] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:55:30,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:55:30,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2025-01-10 01:55:30,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869747972] [2025-01-10 01:55:30,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:30,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-10 01:55:30,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:30,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-10 01:55:30,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=292, Unknown=0, NotChecked=0, Total=462 [2025-01-10 01:55:30,955 INFO L87 Difference]: Start difference. First operand 2067 states and 2691 transitions. Second operand has 22 states, 21 states have (on average 16.952380952380953) internal successors, (356), 22 states have internal predecessors, (356), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2025-01-10 01:55:32,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:32,020 INFO L93 Difference]: Finished difference Result 4728 states and 6291 transitions. [2025-01-10 01:55:32,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-10 01:55:32,021 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 16.952380952380953) internal successors, (356), 22 states have internal predecessors, (356), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) Word has length 233 [2025-01-10 01:55:32,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:32,030 INFO L225 Difference]: With dead ends: 4728 [2025-01-10 01:55:32,030 INFO L226 Difference]: Without dead ends: 4727 [2025-01-10 01:55:32,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 479 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=564, Invalid=918, Unknown=0, NotChecked=0, Total=1482 [2025-01-10 01:55:32,032 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 1523 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:32,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1537 Valid, 715 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:55:32,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4727 states. [2025-01-10 01:55:32,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4727 to 2715. [2025-01-10 01:55:32,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2715 states, 2289 states have (on average 1.1965923984272608) internal successors, (2739), 2302 states have internal predecessors, (2739), 392 states have call successors, (392), 20 states have call predecessors, (392), 20 states have return successors, (392), 392 states have call predecessors, (392), 392 states have call successors, (392) [2025-01-10 01:55:32,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2715 states and 3523 transitions. [2025-01-10 01:55:32,323 INFO L78 Accepts]: Start accepts. Automaton has 2715 states and 3523 transitions. Word has length 233 [2025-01-10 01:55:32,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:32,323 INFO L471 AbstractCegarLoop]: Abstraction has 2715 states and 3523 transitions. [2025-01-10 01:55:32,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 16.952380952380953) internal successors, (356), 22 states have internal predecessors, (356), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2025-01-10 01:55:32,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 3523 transitions. [2025-01-10 01:55:32,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2025-01-10 01:55:32,325 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:32,325 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:32,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-01-10 01:55:32,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-01-10 01:55:32,526 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:32,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:32,526 INFO L85 PathProgramCache]: Analyzing trace with hash 524108498, now seen corresponding path program 1 times [2025-01-10 01:55:32,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:32,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499336530] [2025-01-10 01:55:32,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:32,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:32,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 239 statements into 1 equivalence classes. [2025-01-10 01:55:32,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 239 of 239 statements. [2025-01-10 01:55:32,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:32,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:32,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-01-10 01:55:32,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:32,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499336530] [2025-01-10 01:55:32,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499336530] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:32,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509725200] [2025-01-10 01:55:32,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:32,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:32,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:32,817 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:32,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-01-10 01:55:32,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 239 statements into 1 equivalence classes. [2025-01-10 01:55:32,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 239 of 239 statements. [2025-01-10 01:55:32,885 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:32,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:32,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 01:55:32,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 1032 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2025-01-10 01:55:33,086 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:33,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-01-10 01:55:33,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509725200] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:55:33,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:55:33,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 18] total 34 [2025-01-10 01:55:33,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393816525] [2025-01-10 01:55:33,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:33,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-01-10 01:55:33,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:33,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-01-10 01:55:33,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=877, Unknown=0, NotChecked=0, Total=1122 [2025-01-10 01:55:33,433 INFO L87 Difference]: Start difference. First operand 2715 states and 3523 transitions. Second operand has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) [2025-01-10 01:55:34,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:34,226 INFO L93 Difference]: Finished difference Result 3862 states and 4952 transitions. [2025-01-10 01:55:34,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-10 01:55:34,227 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) Word has length 239 [2025-01-10 01:55:34,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:34,232 INFO L225 Difference]: With dead ends: 3862 [2025-01-10 01:55:34,232 INFO L226 Difference]: Without dead ends: 2985 [2025-01-10 01:55:34,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 462 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1190 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1141, Invalid=3829, Unknown=0, NotChecked=0, Total=4970 [2025-01-10 01:55:34,235 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 372 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:34,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 855 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:55:34,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2985 states. [2025-01-10 01:55:34,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2985 to 2880. [2025-01-10 01:55:34,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2880 states, 2418 states have (on average 1.1757650951199339) internal successors, (2843), 2439 states have internal predecessors, (2843), 408 states have call successors, (408), 40 states have call predecessors, (408), 40 states have return successors, (408), 400 states have call predecessors, (408), 408 states have call successors, (408) [2025-01-10 01:55:34,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2880 states to 2880 states and 3659 transitions. [2025-01-10 01:55:34,521 INFO L78 Accepts]: Start accepts. Automaton has 2880 states and 3659 transitions. Word has length 239 [2025-01-10 01:55:34,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:34,522 INFO L471 AbstractCegarLoop]: Abstraction has 2880 states and 3659 transitions. [2025-01-10 01:55:34,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.235294117647058) internal successors, (280), 34 states have internal predecessors, (280), 14 states have call successors, (66), 8 states have call predecessors, (66), 8 states have return successors, (66), 14 states have call predecessors, (66), 14 states have call successors, (66) [2025-01-10 01:55:34,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2880 states and 3659 transitions. [2025-01-10 01:55:34,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2025-01-10 01:55:34,523 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:34,523 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:34,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-01-10 01:55:34,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:34,724 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:34,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:34,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1359126810, now seen corresponding path program 1 times [2025-01-10 01:55:34,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:34,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690204077] [2025-01-10 01:55:34,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:34,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:34,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 248 statements into 1 equivalence classes. [2025-01-10 01:55:34,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 248 of 248 statements. [2025-01-10 01:55:34,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:34,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:34,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 154 proven. 48 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2025-01-10 01:55:34,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:34,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690204077] [2025-01-10 01:55:34,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690204077] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:34,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360290885] [2025-01-10 01:55:34,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:34,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:34,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:34,804 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:34,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-01-10 01:55:34,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 248 statements into 1 equivalence classes. [2025-01-10 01:55:34,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 248 of 248 statements. [2025-01-10 01:55:34,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:34,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:34,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:55:34,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:34,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 658 proven. 48 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked. [2025-01-10 01:55:34,952 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1269 backedges. 154 proven. 48 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2025-01-10 01:55:35,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360290885] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:55:35,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:55:35,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2025-01-10 01:55:35,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783772735] [2025-01-10 01:55:35,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:35,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:55:35,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:35,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:55:35,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:55:35,121 INFO L87 Difference]: Start difference. First operand 2880 states and 3659 transitions. Second operand has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2025-01-10 01:55:35,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:35,719 INFO L93 Difference]: Finished difference Result 4674 states and 6031 transitions. [2025-01-10 01:55:35,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 01:55:35,720 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 248 [2025-01-10 01:55:35,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:35,725 INFO L225 Difference]: With dead ends: 4674 [2025-01-10 01:55:35,725 INFO L226 Difference]: Without dead ends: 3138 [2025-01-10 01:55:35,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 492 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:55:35,727 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 129 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:35,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 399 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:35,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3138 states. [2025-01-10 01:55:36,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3138 to 2971. [2025-01-10 01:55:36,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2971 states, 2501 states have (on average 1.1811275489804078) internal successors, (2954), 2521 states have internal predecessors, (2954), 420 states have call successors, (420), 36 states have call predecessors, (420), 36 states have return successors, (420), 413 states have call predecessors, (420), 420 states have call successors, (420) [2025-01-10 01:55:36,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 2971 states and 3794 transitions. [2025-01-10 01:55:36,034 INFO L78 Accepts]: Start accepts. Automaton has 2971 states and 3794 transitions. Word has length 248 [2025-01-10 01:55:36,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:36,034 INFO L471 AbstractCegarLoop]: Abstraction has 2971 states and 3794 transitions. [2025-01-10 01:55:36,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 6 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2025-01-10 01:55:36,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3794 transitions. [2025-01-10 01:55:36,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2025-01-10 01:55:36,037 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:36,037 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:36,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-01-10 01:55:36,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-01-10 01:55:36,238 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:36,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:36,238 INFO L85 PathProgramCache]: Analyzing trace with hash -911853173, now seen corresponding path program 2 times [2025-01-10 01:55:36,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:36,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043214751] [2025-01-10 01:55:36,239 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:36,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:36,247 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 289 statements into 2 equivalence classes. [2025-01-10 01:55:36,259 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 289 of 289 statements. [2025-01-10 01:55:36,261 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:36,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:36,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 85 proven. 294 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2025-01-10 01:55:36,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:36,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043214751] [2025-01-10 01:55:36,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043214751] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:36,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123459087] [2025-01-10 01:55:36,442 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:36,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:36,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:36,444 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:36,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-01-10 01:55:36,481 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 289 statements into 2 equivalence classes. [2025-01-10 01:55:36,519 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 289 of 289 statements. [2025-01-10 01:55:36,519 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:36,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:36,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 01:55:36,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:36,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 617 proven. 187 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2025-01-10 01:55:36,688 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:36,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1783 backedges. 177 proven. 187 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2025-01-10 01:55:36,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123459087] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:55:36,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:55:36,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 14 [2025-01-10 01:55:36,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567707469] [2025-01-10 01:55:36,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:36,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:55:36,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:36,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:55:36,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:55:36,879 INFO L87 Difference]: Start difference. First operand 2971 states and 3794 transitions. Second operand has 14 states, 14 states have (on average 15.714285714285714) internal successors, (220), 14 states have internal predecessors, (220), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2025-01-10 01:55:38,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:38,168 INFO L93 Difference]: Finished difference Result 5267 states and 6821 transitions. [2025-01-10 01:55:38,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-10 01:55:38,169 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 15.714285714285714) internal successors, (220), 14 states have internal predecessors, (220), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) Word has length 289 [2025-01-10 01:55:38,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:38,177 INFO L225 Difference]: With dead ends: 5267 [2025-01-10 01:55:38,177 INFO L226 Difference]: Without dead ends: 3701 [2025-01-10 01:55:38,180 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 608 GetRequests, 573 SyntacticMatches, 6 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=720, Unknown=0, NotChecked=0, Total=930 [2025-01-10 01:55:38,181 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 462 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 1767 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 1828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:38,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 1255 Invalid, 1828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1767 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 01:55:38,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3701 states. [2025-01-10 01:55:38,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3701 to 3279. [2025-01-10 01:55:38,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3279 states, 2755 states have (on average 1.1793103448275861) internal successors, (3249), 2775 states have internal predecessors, (3249), 474 states have call successors, (474), 36 states have call predecessors, (474), 36 states have return successors, (474), 467 states have call predecessors, (474), 474 states have call successors, (474) [2025-01-10 01:55:38,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 3279 states and 4197 transitions. [2025-01-10 01:55:38,542 INFO L78 Accepts]: Start accepts. Automaton has 3279 states and 4197 transitions. Word has length 289 [2025-01-10 01:55:38,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:38,542 INFO L471 AbstractCegarLoop]: Abstraction has 3279 states and 4197 transitions. [2025-01-10 01:55:38,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.714285714285714) internal successors, (220), 14 states have internal predecessors, (220), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2025-01-10 01:55:38,542 INFO L276 IsEmpty]: Start isEmpty. Operand 3279 states and 4197 transitions. [2025-01-10 01:55:38,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2025-01-10 01:55:38,544 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:38,544 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2025-01-10 01:55:38,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:38,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:38,745 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:38,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:38,745 INFO L85 PathProgramCache]: Analyzing trace with hash -362413712, now seen corresponding path program 4 times [2025-01-10 01:55:38,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:38,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910653014] [2025-01-10 01:55:38,746 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:55:38,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:38,753 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 299 statements into 2 equivalence classes. [2025-01-10 01:55:38,780 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 299 of 299 statements. [2025-01-10 01:55:38,782 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:55:38,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:38,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1445237574] [2025-01-10 01:55:38,784 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:55:38,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:38,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:38,787 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:38,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-01-10 01:55:38,819 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 299 statements into 2 equivalence classes. [2025-01-10 01:55:38,861 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 299 of 299 statements. [2025-01-10 01:55:38,861 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:55:38,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:38,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 01:55:38,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:39,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1857 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2025-01-10 01:55:39,396 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:39,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:39,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910653014] [2025-01-10 01:55:39,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:39,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445237574] [2025-01-10 01:55:39,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445237574] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:39,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:39,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-01-10 01:55:39,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321699491] [2025-01-10 01:55:39,546 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:39,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:55:39,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:39,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:55:39,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:55:39,547 INFO L87 Difference]: Start difference. First operand 3279 states and 4197 transitions. Second operand has 14 states, 13 states have (on average 12.461538461538462) internal successors, (162), 14 states have internal predecessors, (162), 11 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2025-01-10 01:55:40,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:40,171 INFO L93 Difference]: Finished difference Result 3324 states and 4244 transitions. [2025-01-10 01:55:40,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 01:55:40,171 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.461538461538462) internal successors, (162), 14 states have internal predecessors, (162), 11 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) Word has length 299 [2025-01-10 01:55:40,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:40,177 INFO L225 Difference]: With dead ends: 3324 [2025-01-10 01:55:40,177 INFO L226 Difference]: Without dead ends: 3196 [2025-01-10 01:55:40,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2025-01-10 01:55:40,179 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 101 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:40,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 500 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:40,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3196 states. [2025-01-10 01:55:40,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3196 to 3189. [2025-01-10 01:55:40,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3189 states, 2680 states have (on average 1.183955223880597) internal successors, (3173), 2699 states have internal predecessors, (3173), 463 states have call successors, (463), 32 states have call predecessors, (463), 32 states have return successors, (463), 457 states have call predecessors, (463), 463 states have call successors, (463) [2025-01-10 01:55:40,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 3189 states and 4099 transitions. [2025-01-10 01:55:40,596 INFO L78 Accepts]: Start accepts. Automaton has 3189 states and 4099 transitions. Word has length 299 [2025-01-10 01:55:40,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:40,596 INFO L471 AbstractCegarLoop]: Abstraction has 3189 states and 4099 transitions. [2025-01-10 01:55:40,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.461538461538462) internal successors, (162), 14 states have internal predecessors, (162), 11 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2025-01-10 01:55:40,596 INFO L276 IsEmpty]: Start isEmpty. Operand 3189 states and 4099 transitions. [2025-01-10 01:55:40,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2025-01-10 01:55:40,598 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:40,598 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:40,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-01-10 01:55:40,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:40,799 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:55:40,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:40,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1121613128, now seen corresponding path program 2 times [2025-01-10 01:55:40,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:40,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072892995] [2025-01-10 01:55:40,800 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:40,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:40,807 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 330 statements into 2 equivalence classes. [2025-01-10 01:55:40,817 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 330 of 330 statements. [2025-01-10 01:55:40,817 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:40,817 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 0 proven. 514 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2025-01-10 01:55:41,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:41,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072892995] [2025-01-10 01:55:41,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072892995] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:41,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471058033] [2025-01-10 01:55:41,077 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:41,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:41,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:41,079 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:55:41,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-01-10 01:55:41,112 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 330 statements into 2 equivalence classes. [2025-01-10 01:55:41,152 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 330 of 330 statements. [2025-01-10 01:55:41,152 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:41,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:41,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 01:55:41,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:41,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 13 proven. 501 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2025-01-10 01:55:41,732 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:42,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2374 backedges. 13 proven. 501 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2025-01-10 01:55:42,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471058033] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:55:42,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:55:42,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 35 [2025-01-10 01:55:42,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371031911] [2025-01-10 01:55:42,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:42,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-01-10 01:55:42,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:42,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-01-10 01:55:42,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=1124, Unknown=0, NotChecked=0, Total=1260 [2025-01-10 01:55:42,250 INFO L87 Difference]: Start difference. First operand 3189 states and 4099 transitions. Second operand has 36 states, 35 states have (on average 14.657142857142857) internal successors, (513), 36 states have internal predecessors, (513), 28 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 28 states have call predecessors, (91), 28 states have call successors, (91) [2025-01-10 01:55:59,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:59,851 INFO L93 Difference]: Finished difference Result 10804 states and 14302 transitions. [2025-01-10 01:55:59,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 293 states. [2025-01-10 01:55:59,852 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 14.657142857142857) internal successors, (513), 36 states have internal predecessors, (513), 28 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 28 states have call predecessors, (91), 28 states have call successors, (91) Word has length 330 [2025-01-10 01:55:59,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:59,908 INFO L225 Difference]: With dead ends: 10804 [2025-01-10 01:55:59,908 INFO L226 Difference]: Without dead ends: 10802 [2025-01-10 01:55:59,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1041 GetRequests, 717 SyntacticMatches, 0 SemanticMatches, 324 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47154 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=17909, Invalid=88041, Unknown=0, NotChecked=0, Total=105950 [2025-01-10 01:55:59,932 INFO L435 NwaCegarLoop]: 289 mSDtfsCounter, 9343 mSDsluCounter, 6104 mSDsCounter, 0 mSdLazyCounter, 11461 mSolverCounterSat, 1626 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9349 SdHoareTripleChecker+Valid, 6393 SdHoareTripleChecker+Invalid, 13087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1626 IncrementalHoareTripleChecker+Valid, 11461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:59,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9349 Valid, 6393 Invalid, 13087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1626 Valid, 11461 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2025-01-10 01:55:59,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10802 states. [2025-01-10 01:56:00,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10802 to 5955. [2025-01-10 01:56:00,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5955 states, 5051 states have (on average 1.2187685606810532) internal successors, (6156), 5069 states have internal predecessors, (6156), 858 states have call successors, (858), 32 states have call predecessors, (858), 32 states have return successors, (858), 853 states have call predecessors, (858), 858 states have call successors, (858) [2025-01-10 01:56:00,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5955 states to 5955 states and 7872 transitions. [2025-01-10 01:56:00,976 INFO L78 Accepts]: Start accepts. Automaton has 5955 states and 7872 transitions. Word has length 330 [2025-01-10 01:56:00,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:56:00,981 INFO L471 AbstractCegarLoop]: Abstraction has 5955 states and 7872 transitions. [2025-01-10 01:56:00,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 14.657142857142857) internal successors, (513), 36 states have internal predecessors, (513), 28 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 28 states have call predecessors, (91), 28 states have call successors, (91) [2025-01-10 01:56:00,982 INFO L276 IsEmpty]: Start isEmpty. Operand 5955 states and 7872 transitions. [2025-01-10 01:56:00,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2025-01-10 01:56:00,999 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:56:00,999 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:56:01,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-01-10 01:56:01,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:56:01,201 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2025-01-10 01:56:01,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:56:01,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1082794874, now seen corresponding path program 3 times [2025-01-10 01:56:01,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:56:01,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234990520] [2025-01-10 01:56:01,206 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:56:01,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:56:01,245 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 330 statements into 15 equivalence classes. [2025-01-10 01:56:01,438 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 281 of 330 statements. [2025-01-10 01:56:01,438 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-01-10 01:56:01,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:02,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2386 backedges. 100 proven. 426 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2025-01-10 01:56:02,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:56:02,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234990520] [2025-01-10 01:56:02,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234990520] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:56:02,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757481539] [2025-01-10 01:56:02,011 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:56:02,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:56:02,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:56:02,016 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:56:02,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-01-10 01:56:02,068 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 330 statements into 15 equivalence classes. [2025-01-10 01:56:02,084 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 55 of 330 statements. [2025-01-10 01:56:02,085 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 01:56:02,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:56:02,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 01:56:02,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:56:04,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2386 backedges. 370 proven. 62 refuted. 0 times theorem prover too weak. 1954 trivial. 0 not checked. [2025-01-10 01:56:04,285 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:56:04,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757481539] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:56:04,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:56:04,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2025-01-10 01:56:04,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450316679] [2025-01-10 01:56:04,636 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:56:04,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-01-10 01:56:04,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:56:04,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-01-10 01:56:04,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=492, Unknown=1, NotChecked=0, Total=552 [2025-01-10 01:56:04,641 INFO L87 Difference]: Start difference. First operand 5955 states and 7872 transitions. Second operand has 21 states, 21 states have (on average 12.666666666666666) internal successors, (266), 21 states have internal predecessors, (266), 13 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) [2025-01-10 01:56:11,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:56:11,592 INFO L93 Difference]: Finished difference Result 12786 states and 17083 transitions. [2025-01-10 01:56:11,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-10 01:56:11,592 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 12.666666666666666) internal successors, (266), 21 states have internal predecessors, (266), 13 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) Word has length 330 [2025-01-10 01:56:11,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:56:11,615 INFO L225 Difference]: With dead ends: 12786 [2025-01-10 01:56:11,616 INFO L226 Difference]: Without dead ends: 9352 [2025-01-10 01:56:11,623 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4849 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=2655, Invalid=10916, Unknown=1, NotChecked=0, Total=13572 [2025-01-10 01:56:11,624 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 2366 mSDsluCounter, 1509 mSDsCounter, 0 mSdLazyCounter, 3504 mSolverCounterSat, 423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2372 SdHoareTripleChecker+Valid, 1606 SdHoareTripleChecker+Invalid, 3927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 3504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2025-01-10 01:56:11,624 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2372 Valid, 1606 Invalid, 3927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 3504 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2025-01-10 01:56:11,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9352 states.